[gpaw-users] convergence issues oxides

Monica Garcia Mota monicag2 at stanford.edu
Sun Dec 25 17:27:38 CET 2011


Dear GPAW users,

I am trying to converge spin polarized calculations for oxides but the SCF fails to converge in most of the cases. 
I have tried the suggestions listed in the GPAW documentation, specially playing with initial magnetic moments and with mixing parameters. Unfortunately, nothing helps to solve the convergence issues.

One the calculations is an oxygen atom adsorbed on Co3O4(001) surface. 
These are the parameters used for the calculator

p = PoissonSolver()
mixer=MixerSum(0.05, 5, weight=100.0) 
calc = GPAW(
            h=0.18, 
            kpts=(3, 3, 1), 
            xc = 'RPBE',
            eigensolver='cg', 
            mixer=mixer, 
            occupations=FermiDirac(0.10),
            maxiter=180,
            spinpol=True,
            poissonsolver=DipoleCorrectionPoissonSolver(p,2))


Convergence Criteria:
iter:   1  21:05:57  +0.8            -412.15579   3      112      +18.9067
iter:   2  21:18:00  -1.2            -414.89851   2               +18.9255
iter:   3  21:36:47  -2.3            -415.77571   2               +18.9271
iter:   4  21:52:14  -2.2   -1.0     -405.08209   3      68       +30.8926
iter:   5  22:06:01  -1.7   -1.1     -545.39393   5      58       +7.8315
iter:   6  22:20:15  -1.7   -1.0     -398.51539   10     105      +4.8696
iter:   7  22:34:40  -1.8   -1.2     -404.89895   8      72       +12.8912
iter:   8  22:49:28  -2.1   -1.2     -384.40070   4      96       +12.5838
iter:   9  23:07:15  -2.6   -1.4     -392.18051   6      89       +12.0381
iter:  10  23:20:52  -2.3   -1.3     -382.28936   4      73       +11.9194
iter:  11  23:34:05  -2.5   -1.4     -382.27407   3      88       +11.7761
iter:  12  23:48:12  -2.8   -1.5     -388.40949   5      87       +15.7232
iter:  13  00:01:07  -2.1   -1.4     -386.69261   10     93       +10.6513
iter:  14  00:14:17  -2.5   -1.6     -385.32001   2      92       +13.8186
iter:  15  00:27:40  -2.2   -1.6     -388.07456   4      87       +8.4996
iter:  16  00:42:03  -2.6   -1.6     -385.38859   5      86       +8.4281
iter:  17  00:55:30  -2.5   -1.7     -385.77968   5      90       +11.5292
iter:  18  01:09:18  -3.0   -1.7     -385.10106   2      91       +11.0917
iter:  19  01:23:51  -3.6   -1.8     -385.32951   3      89       +10.6944
iter:  20  01:39:24  -3.5   -1.8     -386.12687   3      89       +8.9473
iter:  21  01:55:10  -3.1   -1.8     -389.47061   3      89       +3.6117
iter:  22  02:08:05  -2.7   -1.7     -385.07253   3      79       +3.0955
iter:  23  02:21:20  -3.1   -1.9     -384.69207   3      87       +6.4811
iter:  24  02:34:52  -3.3   -2.0     -385.24754   3      88       +7.6241
iter:  25  02:50:57  -3.7   -2.0     -385.26475   3      88       +7.0205
iter:  26  03:07:41  -3.7   -2.0     -385.66489   2      87       +3.0610
iter:  27  03:21:46  -3.2   -2.0     -389.62171   4      85       +0.9680
iter:  28  03:34:30  -3.1   -1.8     -386.12423   4      81       +1.0143
iter:  29  03:48:47  -3.5   -2.0     -385.38057   2      85       +5.8926
iter:  30  04:02:11  -2.8   -2.0     -385.85517   3      89       +4.5831
iter:  31  04:15:21  -3.2   -2.1     -385.58585   3      84       +3.0330
iter:  32  04:28:26  -3.7   -2.3     -385.91024   3      87       +1.3142
iter:  33  04:43:05  -3.9   -2.2     -385.85257   2      86       +2.4404
iter:  34  04:57:37  -4.0   -2.2     -385.66139   3      86       +3.5700
iter:  35  05:09:57  -4.0   -2.2     -385.67805   3      87       +3.9093
iter:  36  05:24:19  -4.0   -2.3     -386.09941   3      87       +2.0787
iter:  37  05:37:53  -3.7   -2.3     -386.00383   3      85       +1.3486
iter:  38  05:53:08  -4.0   -2.3     -386.39601   3      87       +0.5122
iter:  39  06:06:55  -4.3   -2.3     -386.27124   3      86       +0.0745
iter:  40  06:21:55  -4.0   -2.3     -386.87299   3      87       +0.5788
iter:  41  06:36:27  -3.3   -2.1     -387.60792   3      84       +6.4104
iter:  42  06:49:09  -2.7   -1.9     -386.38840   4      90       +3.4684
iter:  43  07:01:22  -3.2   -2.3     -386.04822   2      87       +2.8532
iter:  44  07:15:12  -4.2   -2.4     -386.09195   3      86       +2.2431
iter:  45  07:30:59  -4.4   -2.5     -386.18305   3      86       +1.5041
iter:  46  07:46:12  -4.2   -2.5     -386.24793   3      87       +0.4291
iter:  47  08:00:42  -4.3   -2.5     -386.48612   3      86       +0.3694
iter:  48  08:14:57  -4.1   -2.3     -386.39305   2      88       -0.1998
iter:  49  08:26:40  -4.1   -2.4     -386.35993   3      86       -0.2232
iter:  50  08:41:13  -4.5   -2.4     -386.61815   3      86       -0.2249
iter:  51  08:56:46  -4.1   -2.3     -386.60128   3      86       -0.4814
iter:  52  09:10:02  -3.7   -2.3     -387.17938   3      87       +1.4696
iter:  53  09:24:09  -3.2   -2.1     -389.07504   3      85       +4.4734
iter:  54  09:37:12  -2.8   -1.8     -386.03719   4      91       +2.5933
iter:  55  09:48:21  -3.3   -2.4     -386.33233   3      86       +0.7041
iter:  56  10:02:52  -4.1   -2.5     -386.46749   3      86       -0.1252
iter:  57  10:17:04  -4.4   -2.4     -386.53925   3      86       -0.5424
iter:  58  10:32:46  -4.8   -2.4     -386.62660   3      86       -0.7501
iter:  59  10:47:49  -4.4   -2.4     -386.74976   2      86       -0.5536
iter:  60  11:01:48  -3.7   -2.2     -386.53254   3      88       -0.2473
iter:  61  11:15:21  -4.0   -2.4     -386.59474   2      87       +0.2267
iter:  62  11:29:28  -3.9   -2.4     -386.63889   3      87       +0.6455
iter:  63  11:43:19  -3.7   -2.4     -386.69679   3      86       +0.4081
iter:  64  11:57:11  -3.8   -2.4     -386.55470   3      87       +0.2749
iter:  65  12:09:57  -4.4   -2.5     -386.59329   2      87       -0.7122
iter:  66  12:22:11  -4.6   -2.5     -386.63551   3      86       -0.8611
iter:  67  12:37:11  -5.4   -2.5     -386.62811   2      87       -0.9584
iter:  68  12:51:48  -4.8   -2.5     -386.69655   3      87       -1.1008
iter:  69  13:05:08  -4.4   -2.5     -386.71227   3      86       -1.2879
iter:  70  13:19:11  -4.3   -2.5     -387.44246   3      87       -0.0521
iter:  71  13:32:33  -3.6   -2.1     -386.64776   2      89       -0.7978
iter:  72  13:44:36  -3.6   -2.5     -386.82121   2      86       -0.4918
iter:  73  13:59:04  -4.1   -2.4     -386.87175   2      86       -1.3233
iter:  74  14:14:09  -4.7   -2.4     -386.92243   3      86       -1.7228
iter:  75  14:28:34  -4.7   -2.4     -386.88163   3      86       -1.3311
iter:  76  14:43:06  -4.0   -2.4     -388.29090   3      86       +0.8665
iter:  77  14:56:16  -3.2   -1.9     -386.63091   2      90       -0.4516
iter:  78  15:07:41  -3.5   -2.5     -386.82234   3      86       -1.1222
iter:  79  15:22:12  -4.3   -2.5     -386.94937   3      86       -1.8089
iter:  80  15:37:26  -4.8   -2.4     -387.07385   3      86       -2.3407
iter:  81  15:52:01  -4.8   -2.4     -387.04163   3      86       -2.3219
iter:  82  16:06:55  -4.8   -2.4     -387.03830   3      86       -1.9251
iter:  83  16:20:15  -4.1   -2.4     -386.95442   3      88       -2.5346
iter:  84  16:32:41  -4.3   -2.5     -386.98947   3      86       -2.0633
iter:  85  16:46:15  -3.9   -2.4     -387.06997   3      86       -0.4980
iter:  86  16:59:01  -3.6   -2.4     -386.94441   3      88       -1.0915
iter:  87  17:12:54  -4.2   -2.6     -386.98158   3      87       -1.7153
iter:  88  17:26:16  -4.6   -2.6     -387.01926   2      86       -2.0380
iter:  89  17:41:04  -4.9   -2.6     -387.08347   3      87       -2.7291
iter:  90  17:54:02  -4.8   -2.5     -387.08954   2      86       -2.6663
iter:  91  18:08:16  -5.1   -2.6     -387.11956   3      87       -2.8966
iter:  92  18:23:28  -4.9   -2.5     -387.13521   2      87       -3.2360
iter:  93  18:36:02  -4.7   -2.5     -387.21655   3      86       -3.2253
iter:  94  18:50:58  -4.6   -2.4     -387.34437   2      86       -2.8082
iter:  95  19:04:50  -3.9   -2.3     -387.19091   3      88       -3.0073
iter:  96  19:17:41  -4.0   -2.6     -387.38319   3      86       -2.4719
iter:  97  19:32:08  -4.2   -2.5     -387.34047   3      87       -2.8436
iter:  98  19:46:43  -4.8   -2.6     -387.39270   2      87       -3.3716
iter:  99  20:01:44  -4.8   -2.6     -387.34310   2      87       -2.9814
iter: 100  20:13:26  -4.5   -2.6     -387.41077   3      87       -3.5709
iter: 101  20:26:22  -5.0   -2.7     -387.44504   3      87       -3.4402
iter: 102  20:39:10  -4.6   -2.7     -387.64532   2      87       -3.8268
iter: 103  20:51:43  -4.4   -2.6     -387.51613   2      87       -3.6762
iter: 104  21:03:31  -5.0   -2.7     -387.54301   2      87       -3.7342
iter: 105  21:16:01  -4.1   -2.7     -387.86687   2      87       -5.0638
iter: 106  21:31:41  -4.0   -2.7     -388.27367   3      87       -6.1391
iter: 107  21:44:43  -4.2   -2.8     -388.23793   2      87       -6.0004
iter: 108  21:57:11  -4.0   -2.9     -388.40683   2      87       -6.6934
iter: 109  22:08:48  -4.4   -3.0     -388.38514   2      87       -6.6476
iter: 110  22:23:42  -5.4   -3.1     -388.36850   2      87       -6.6317
iter: 111  22:37:06  -5.5   -3.1     -388.39089   2      87       -6.6596
iter: 112  22:50:02  -5.8   -3.1     -388.38463   2      87       -6.6597
iter: 113  23:01:49  -5.2   -3.1     -388.42354   2      87       -6.7322
iter: 114  23:16:46  -5.5   -3.1     -388.44094   3      87       -6.8405
iter: 115  23:28:39  -5.4   -3.1     -388.41845   2      87       -6.7703
iter: 116  23:40:17  -5.6   -3.2     -388.42832   2      87       -6.7989
iter: 117  23:53:47  -5.8   -3.2     -388.45256   2      87       -6.9023
iter: 118  00:08:37  -5.7   -3.2     -388.48027   3      87       -6.9703
iter: 119  00:21:24  -5.1   -3.1     -388.52383   2      87       -7.1725
iter: 120  00:36:49  -5.8   -3.2     -388.53603   2      87       -7.2362
iter: 121  00:48:28  -5.3   -3.3     -388.51165   2      87       -7.1469
iter: 122  01:00:02  -5.9   -3.2     -388.51219   2      87       -7.1588
iter: 123  01:11:03  -5.3   -3.2     -388.54448   2      87       -7.2845
iter: 124  01:24:51  -5.1   -3.2     -388.58774   2      87       -7.5164
iter: 125  01:38:22  -5.5   -3.3     -388.59147   2      87       -7.5289
iter: 126  01:53:02  -5.8   -3.2     -388.59952   2      87       -7.5933
iter: 127  02:04:29  -5.4   -3.3     -388.58404   2      87       -7.5291
iter: 128  02:16:05  -5.1   -3.4     -388.60573   2      87       -7.6768
iter: 129  02:27:47  -5.4   -3.4     -388.59560   2      87       -7.6186
iter: 130  02:39:38  -5.2   -3.4     -388.61521   2      87       -7.7066
iter: 131  02:55:27  -5.7   -3.4     -388.63135   3      87       -7.8201
iter: 132  03:06:52  -5.2   -3.2     -388.61627   2      87       -7.8168
iter: 133  03:18:46  -4.7   -3.4     -388.63960   2      87       -8.0639
iter: 134  03:34:40  -5.7   -3.6     -388.64568   2      87       -8.1604
iter: 135  03:46:28  -5.8   -3.6     -388.64505   2      87       -8.1193
iter: 136  03:58:57  -5.3   -3.6     -388.64965   2      87       -8.2198
iter: 137  04:11:13  -5.7   -3.6     -388.64957   2      87       -8.2011
iter: 138  04:25:24  -6.4   -3.5     -388.64915   2      86       -8.1996
iter: 139  04:37:43  -6.1   -3.6     -388.65104   2      87       -8.2695
iter: 140  04:53:20  -6.9   -3.6     -388.65208   2      87       -8.2909
iter: 141  05:08:37  -7.1   -3.6     -388.65255   2      87       -8.2805
iter: 142  05:24:10  -7.1   -3.6     -388.65308   2      87       -8.3033
iter: 143  05:35:59  -6.0   -3.7     -388.65577   2      87       -8.3856
iter: 144  05:47:43  -6.1   -3.7     -388.65782   2      87       -8.3872
iter: 145  06:02:25  -6.1   -3.6     -388.65993   2      87       -8.4564
iter: 146  06:14:06  -6.2   -3.9     -388.65924   2      87       -8.4188
iter: 147  06:26:01  -6.3   -3.7     -388.66091   2      87       -8.4411
iter: 148  06:42:10  -7.0   -3.8     -388.66199   2      87       -8.4779
iter: 149  07:02:01  -7.7   -3.9     -388.66239   2      87       -8.4933
iter: 150  07:16:02  -7.1   -3.9     -388.66287   1      87       -8.5287
iter: 151  07:28:31  -6.8   -3.9     -388.66236   2      86       -8.5292
iter: 152  07:40:55  -6.5   -3.9     -388.66072   2      87       -8.4858
iter: 153  07:51:39  -6.8   -3.9     -388.66107   1      87       -8.4954
iter: 154  08:03:07  -6.3   -3.9     -388.66335   2      87       -8.5255
iter: 155  08:14:46  -6.7   -4.0     -388.66334   2      87       -8.5333
iter: 156  08:28:14  -6.5   -3.9     -388.66480   2      87       -8.5764
iter: 157  08:40:32  -6.6   -3.8     -388.66489   2      86       -8.5471
iter: 158  08:53:13  -7.0   -3.9     -388.66527   2      87       -8.5585
iter: 159  09:07:37  -7.7   -3.9     -388.66529   2      87       -8.5549
iter: 160  09:20:24  -7.0   -3.9     -388.66591   2      87       -8.5805
iter: 161  09:32:21  -6.9   -3.9     -388.66552   2      87       -8.5551
iter: 162  09:46:33  -6.9   -3.9     -388.66579   2      87       -8.5713
iter: 163  10:00:20  -6.6   -3.8     -388.66618   2      86       -8.5721
iter: 164  10:11:40  -6.7   -4.0     -388.66645   2      87       -8.5781
iter: 165  10:25:57  -7.3   -4.0     -388.66633   2      87       -8.5810
iter: 166  10:38:23  -7.0   -4.1     -388.66682   2      87       -8.5842
iter: 167  10:49:55  -6.9   -4.0     -388.66651   2      87       -8.5830
iter: 168  11:01:23  -6.4   -4.1     -388.66700   2      87       -8.5813
iter: 169  11:12:45  -6.8   -4.1     -388.66710   2      86       -8.5899
iter: 170  11:25:29  -7.3   -4.2     -388.66718   2      87       -8.5994
iter: 171  11:38:56  -7.1   -4.3     -388.66752   2      87       -8.6028
iter: 172  11:54:14  -7.5   -4.3     -388.66763   2      87       -8.6038
iter: 173  12:05:59  -7.4   -4.2     -388.66753   2      87       -8.6044
iter: 174  12:20:18  -7.6   -4.3     -388.66728   2      87       -8.6024
iter: 175  12:33:31  -7.1   -4.1     -388.66753   2      86       -8.6009
iter: 176  12:44:35  -7.4   -4.3     -388.66773   2      87       -8.6107
iter: 177  12:57:34  -7.3   -4.3     -388.66806   2      87       -8.6217
iter: 178  13:13:04  -7.7   -4.3     -388.66822   2      87       -8.6237
iter: 179  13:24:25  -6.9   -4.2     -388.66790   2      87       -8.6155
iter: 180  13:39:58  -7.6   -4.3     -388.66747   2      87       -8.6139

gpaw.KohnShamConvergenceError: Did not converge!



I have also tried to converge the geometry of the same system but performing in first place a non spin polarized calculation. 
In this case, the first ionic step converges after 130 interactions (It took almost 24h running on 32 CPUs).

Convergence Criteria:
iter:   1  11:53:55  +0.5            -401.49173   2      112    
iter:   2  12:02:31  -1.2            -404.13792   2             
iter:   3  12:16:23  -2.3            -404.98226   2             
iter:   4  12:29:50  -2.3   -1.1     -452.20549   6      68     
iter:   5  12:39:30  -2.4   -1.0     -396.41631   6      87     
iter:   6  12:49:39  -2.0   -1.1     -402.49196   5      80     
iter:   7  13:00:23  -2.2   -1.2     -397.33731   4      74     
iter:   8  13:10:23  -2.5   -1.3     -389.39388   4      92     
iter:   9  13:20:58  -2.7   -1.4     -386.93514   4      90     
iter:  10  13:31:31  -2.5   -1.4     -437.53281   7      89     
iter:  11  13:41:14  -2.3   -1.1     -384.86658   3      77     
iter:  12  13:52:48  -2.9   -1.4     -385.02532   4      88     
iter:  13  14:02:54  -3.0   -1.4     -384.26966   5      90     
iter:  14  14:14:15  -3.3   -1.4     -383.80769   4      85     
iter:  15  14:24:01  -3.0   -1.5     -384.32591   3      89     
iter:  16  14:34:05  -2.4   -1.5     -400.37065   11     88     
iter:  17  14:43:01  -2.1   -1.4     -384.33043   10     77     
iter:  18  14:52:57  -3.0   -1.5     -383.98406   5      89     
iter:  19  15:03:40  -3.3   -1.6     -387.49996   4      90     
iter:  20  15:13:19  -3.2   -1.6     -384.05321   3      92     
iter:  21  15:22:48  -3.3   -1.6     -384.33716   3      86     
iter:  22  15:32:52  -2.9   -1.7     -388.63727   6      90     
iter:  23  15:42:25  -2.4   -1.6     -383.54855   5      85     
iter:  24  15:52:18  -3.5   -1.7     -383.26005   2      88     
iter:  25  16:02:20  -3.8   -1.8     -382.85249   3      89     
iter:  26  16:12:32  -3.7   -1.8     -383.96824   3      87     
iter:  27  16:22:31  -3.6   -1.8     -383.39559   3      89     
iter:  28  16:33:00  -3.2   -1.8     -391.21544   4      86     
iter:  29  16:42:14  -2.8   -1.5     -383.64863   5      77     
iter:  30  16:51:51  -3.7   -1.9     -382.82633   3      89     
iter:  31  17:02:27  -3.9   -2.0     -382.88472   2      87     
iter:  32  17:12:03  -4.2   -2.0     -382.46906   2      88     
iter:  33  17:22:35  -4.6   -2.1     -382.49241   3      86     
iter:  34  17:33:26  -3.7   -2.1     -383.39515   3      87     
iter:  35  17:43:08  -3.3   -1.9     -382.41116   3      84     
iter:  36  17:53:10  -4.0   -2.1     -382.24963   3      85     
iter:  37  18:03:57  -4.4   -2.2     -382.27782   3      86     
iter:  38  18:14:08  -4.4   -2.2     -382.07065   3      87     
iter:  39  18:23:23  -4.6   -2.3     -382.00718   3      85     
iter:  40  18:33:41  -4.3   -2.4     -381.85837   3      86     
iter:  41  18:42:05  -4.4   -2.4     -381.88572   2      85     
iter:  42  18:50:37  -4.8   -2.5     -381.88115   3      85     
iter:  43  19:01:28  -4.6   -2.5     -381.83757   3      85     
iter:  44  19:11:44  -4.4   -2.5     -381.94834   3      86     
iter:  45  19:20:39  -4.8   -2.4     -381.85895   3      86     
iter:  46  19:31:48  -5.5   -2.5     -381.83853   3      85     
iter:  47  19:41:55  -5.1   -2.6     -381.83655   3      85     
iter:  48  19:51:09  -5.0   -2.6     -381.81200   2      86     
iter:  49  20:00:53  -5.5   -2.6     -381.81353   2      85     
iter:  50  20:11:03  -5.2   -2.7     -381.84787   3      86     
iter:  51  20:20:34  -5.3   -2.5     -381.81959   2      85     
iter:  52  20:30:01  -5.5   -2.7     -381.80532   2      86     
iter:  53  20:39:42  -5.6   -2.8     -381.81287   2      86     
iter:  54  20:49:34  -5.1   -2.7     -381.85278   2      86     
iter:  55  20:59:12  -5.1   -2.7     -381.81662   2      86     
iter:  56  21:08:31  -5.8   -2.7     -381.80444   2      86     
iter:  57  21:18:15  -5.8   -2.8     -381.81229   2      86     
iter:  58  21:27:18  -5.7   -2.8     -381.80687   2      86     
iter:  59  21:38:50  -6.6   -2.8     -381.80909   2      86     
iter:  60  21:49:15  -5.9   -2.8     -381.80790   2      86     
iter:  61  21:58:51  -5.2   -2.8     -381.83169   2      86     
iter:  62  22:08:11  -5.2   -2.8     -381.81354   2      86     
iter:  63  22:17:52  -5.6   -2.9     -381.81136   2      86     
iter:  64  22:27:00  -5.8   -2.7     -381.80416   2      86     
iter:  65  22:36:35  -5.8   -2.8     -381.80332   2      86     
iter:  66  22:45:54  -6.3   -2.9     -381.80329   2      86     
iter:  67  22:56:09  -6.0   -2.9     -381.81283   2      86     
iter:  68  23:05:24  -5.7   -2.8     -381.80365   2      86     
iter:  69  23:15:31  -5.9   -2.9     -381.81251   2      86     
iter:  70  23:25:33  -5.5   -2.8     -381.81965   2      86     
iter:  71  23:35:43  -5.2   -2.9     -381.81423   2      86     
iter:  72  23:45:12  -5.3   -2.9     -381.82415   2      86     
iter:  73  23:54:38  -5.3   -2.9     -381.80435   2      86     
iter:  74  00:04:04  -5.5   -2.8     -381.80692   2      86     
iter:  75  00:13:30  -6.1   -3.0     -381.80594   2      86     
iter:  76  00:23:09  -5.9   -3.0     -381.81008   2      86     
iter:  77  00:32:47  -5.7   -3.0     -381.80298   2      86     
iter:  78  00:42:07  -6.2   -3.0     -381.80246   2      86     
iter:  79  00:51:53  -6.1   -3.0     -381.81368   2      86     
iter:  80  01:00:58  -5.9   -3.1     -381.80082   2      86     
iter:  81  01:11:04  -6.3   -3.1     -381.80731   2      86     
iter:  82  01:20:33  -6.1   -3.0     -381.80307   2      86     
iter:  83  01:29:57  -6.0   -3.0     -381.81113   2      86     
iter:  84  01:39:35  -5.7   -3.1     -381.80445   2      86     
iter:  85  01:49:45  -6.0   -3.1     -381.80334   2      86     
iter:  86  01:59:33  -5.7   -3.0     -381.81704   3      86     
iter:  87  02:09:20  -5.6   -3.0     -381.80543   2      86     
iter:  88  02:19:15  -5.8   -3.1     -381.80909   2      86     
iter:  89  02:28:23  -6.2   -3.1     -381.80571   2      86     
iter:  90  02:37:34  -6.1   -3.1     -381.80372   2      86     
iter:  91  02:47:13  -6.5   -3.2     -381.80294   2      86     
iter:  92  02:57:32  -6.7   -3.2     -381.81011   2      86     
iter:  93  03:06:53  -6.2   -3.2     -381.80131   2      86     
iter:  94  03:17:10  -6.3   -3.2     -381.80241   2      86     
iter:  95  03:27:15  -5.8   -3.1     -381.80713   2      86     
iter:  96  03:37:08  -5.7   -3.1     -381.80819   2      86     
iter:  97  03:46:40  -5.7   -3.1     -381.81400   2      86     
iter:  98  03:56:33  -5.6   -3.0     -381.83192   2      86     
iter:  99  04:06:01  -5.6   -3.0     -381.80209   2      86     
iter: 100  04:15:42  -7.1   -3.4     -381.80297   2      86     
iter: 101  04:26:51  -7.4   -3.5     -381.80246   2      86     
iter: 102  04:36:49  -7.3   -3.5     -381.80333   2      86     
iter: 103  04:47:30  -6.7   -3.6     -381.80522   2      86     
iter: 104  04:57:32  -6.7   -3.2     -381.80286   2      86     
iter: 105  05:07:27  -6.1   -3.8     -381.81816   2      86     
iter: 106  05:16:44  -6.0   -3.3     -381.80398   2      86     
iter: 107  05:26:54  -7.0   -3.7     -381.80468   2      86     
iter: 108  05:36:54  -7.3   -3.9     -381.80405   2      86     
iter: 109  05:48:08  -8.3   -4.0     -381.80431   2      86     
iter: 110  05:59:26  -8.7   -4.1     -381.80453   2      86     
iter: 111  06:09:28  -7.5   -4.2     -381.80552   2      86     
iter: 112  06:19:06  -7.3   -4.0     -381.80406   2      86     
iter: 113  06:28:25  -7.8   -4.0     -381.80385   2      86     
iter: 114  06:38:23  -8.3   -4.1     -381.80481   2      86     
iter: 115  06:47:45  -8.5   -4.1     -381.80455   2      86     
iter: 116  06:57:28  -8.5   -4.2     -381.80465   2      86     
iter: 117  07:07:12  -7.9   -4.2     -381.80487   2      86     
iter: 118  07:16:36  -8.0   -4.1     -381.80465   2      86     
iter: 119  07:26:33  -8.6   -4.2     -381.80468   2      86     
iter: 120  07:36:41  -8.3   -4.2     -381.80396   2      86     
iter: 121  07:45:58  -8.4   -4.1     -381.80435   2      86     
iter: 122  07:55:44  -8.0   -4.2     -381.80516   2      86     
iter: 123  08:05:06  -7.8   -4.0     -381.80462   2      86     
iter: 124  08:14:26  -8.5   -4.2     -381.80453   2      86     
iter: 125  08:24:27  -8.2   -4.3     -381.80440   2      86     
iter: 126  08:33:26  -8.6   -4.2     -381.80450   2      86     
iter: 127  08:43:06  -8.7   -4.3     -381.80495   2      86     
iter: 128  08:53:05  -8.1   -4.3     -381.80412   2      86     
iter: 129  09:02:55  -8.1   -4.2     -381.80510   2      86     
iter: 130  09:12:09  -8.1   -3.9     -381.80441   2      86     
iter: 131  09:21:45  -9.1   -4.2     -381.80456   2      86


Please, I would appreciate any advice on how to improve convergence in my systems. I have found 
similar convergence issues in other oxides as MnxOy or Ti2O3. 

Thanks in advance,

Monica


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