SG     V      a       b      c    alpha beta gamma   E    ZPE   E(T)  F(T)    frequencies(meV)            elasticity eigenvalues (paw900)
--- cryst-a ---------------------------------------------------------------------------------------------------------------------------------------------
PBE-MBDpaw600  Pmcn   6.97   2.552   4.69   6.99   90    90    90
PBE-D3paw900   Pmcn   7.30   2.554   4.85   7.07   90    90    90                             6.42  10.01  13.65  14.02    2.3  3.2  4.8   7.3  17.2  329
PBE-D3paw600   Pmcn   7.32   2.554   4.81   7.16   90    90    90                             6.64  11.04  13.43  13.80    1.7  2.8  2.9   8.2  18.5  328
VDW-DF2paw600  Pmcn   7.58   2.579   4.99   7.06   90    90    90                             4.08  11.39  13.89  14.87    1.0  1.7  2.5   8.4  23.6  307
exp            Pmcn   7.79   2.551   4.95   7.41   90    90    90
--- cryst-c ---------------------------------------------------------------------------------------------------------------------------------------------
PBE-MBDpaw600  C2/m   7.01   2.555   4.51   7.59   74.1  90    90
PBE-D3paw900   C2/m   7.33   2.554   4.63   7.76   73.4  90    90    2.0   1.2   1.7   1.6    5.88   6.90  10.50  14.94    1.3  2.2  3.8  14.2  16.6  327
PBE-D3paw600   C2/m   7.35   2.556   4.61   7.78   74.1  90    90    1.9   0.8   1.3   1.2    6.47   7.03  11.07  14.50    0.9  1.2  3.3  15.6  20.5  326
VDW-DF2paw600  C2/m   7.60   2.580   4.66   7.88   74.3  90    90    1.3   0.5   1.0   1.0    4.06   5.81  12.49  15.32    0.5  0.7  2.3  15.3  22.8  306
--- cryst-d ---------------------------------------------------------------------------------------------------------------------------------------------
PBE-MBDpaw600  Pmm2   7.04   2.551   4.47   7.41   90    90    90
PBE-D3paw900   Pmm2   7.36   2.554   4.57   7.58   90    90    90    3.7   3.1   3.4   3.0    5.68   6.50  12.25  15.95   -0.5  2.2  3.4  15.0  19.5  326
PBE-D3paw600   Pmm2   7.40   2.555   4.57   7.61   90    90    90    3.7   2.7   3.1   2.6    5.66   6.78  11.80  14.39   -0.3  1.4  2.2  16.4  21.6  324
VDW-DF2paw600  Pmm2   7.65   2.579   4.62   7.71   90    90    90    2.8   2.3   2.7   2.4    3.08   3.89  12.37  16.83   -1.0  1.1  1.5  18.5  23.2  305
--- cryst-e ---------------------------------------------------------------------------------------------------------------------------------------------
PBE-MBDpaw600  Bmcm   7.13   2.554   4.48   7.48   90    90    90
PBE-D3paw900   Bmcm   7.43   2.555   4.55   7.67   90    90    90    5.7   3.1  -7.7   5.0   -7.43  -3.12   7.50  14.82   -1.9  3.6  4.4  14.2  20.2  323
PBE-D3paw600   Bmcm   7.47   2.555   4.57   7.67   90    90    90    5.5   2.7  -8.0   4.6   -8.55  -2.94   8.09  14.43   -2.3  2.5  4.3  14.7  21.6  322
VDW-DF2paw600  Bmcm   7.67   2.580   4.60   7.75   90    90    90    3.9   2.3  -2.7   3.6   -3.82   4.20   5.71  15.73   -2.4  1.3  3.3  19.1  24.6  303

Notes:
 total energies in meV/mol, T=300K, mol=3 atoms
 k-grid is too small for PBE-MBD