Lattice energies at 0 K (kJ mol⁻¹).

Compound	P21/m	Pmn21	Pbcm
[H 2 GaNH 2 ] 3
E(crystal)	−31 222 293.41	−31 222 290.63	−62 444 488.70
Z	2	2	4
E(Cs)	−15 610 951.15	−15 610 951.15	−15 610 951.15
E(BSSE)	42.06	42.52	36.24
E(lattice)	153.49	151.65	134.79
[H 2 GeCH 2 ] 3
E(crystal)	−33 356 028.40	−33 356 025.40	−66 711 984.15
Z	2	2	4
E(Cs)	−16 677 867.31	−16 677 867.31	−16 677 867.31
E(BSSE)	64.7	60.52	60.11
E(lattice)	82.19	84.87	68.62
[H 2 BNH 2 ] 3
E(crystal)	−1292 625.17	−1292 624.28	−2585 245.45
Z	2	2	4
E(Cs)	−646157.94	−646157.94	−646157.94
E(BSSE)	36.33	35.91	32.66
E(lattice)	118.32	118.29	120.77