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. 2019 Aug 25;12(17):2724. doi: 10.3390/ma12172724

Table 11.

Crystallographic data of barium-aluminum hydrides.

Compound Space Group, Cell Dimensions [Å] Atomic Coordinates
BaAlH5 Pna21 (No. 33) [207]
a = 9.1568; b = 7.0718; c = 5.1039
α = β = γ = 90
Ba: 0.686, 0.156, 0.256
Al: 0.041, 0.846, 0.229
H1: 0.008, 0.946, 0.905
H2: 0.584, 0.844, 0.025
H3: 0.578, 0.786, 0.504
H4: 0.357, 0.695, 0.233
H5: 0.708; 0.545, 0.214
Ba2AlD7 I2/a (No. 15) [235]
a = 13.197(3); b = 10.237(2); c = 8.509(2)
α = γ = 90; β = 101.290(9)
Ba1: 0.3459, 0.5848, 0.3249
Ba2: 0.1084, 0.3247, 0.0852,
Al1: 0.927, 0.096, 0.235
D1: 0.004(1), 0.116(1), 0.077(2)
D2: 0.846(1), 0.974(1), 0.135(2)
D3: 0.023(1), 0.999(2), 0.325(2)
D4: 0.844(1), 0.104(2), 0.387(2)
D5: 0.983(1), 0.249(2), 0.324(2)
D6: 0.832(1), 0.207(1), 0.115(2)
D7: 0.693(1), 0.864(1), 0.322(2)