. 2015 Mar 4;5:8761. doi: 10.1038/srep08761

Table 2. Independent elastic constants C_ij, bulk, shear, and Young's moduli (B, G and E all in GPa), Poisson's ratio ν and G/B of the stable phases of BP.

Space group	P	C₁₁	C₂₂	C₃₃	C₄₄	C₅₅	C₆₆	C₁₂	C₁₃	C₁₅	C₂₃	C₂₅	C₃₅	C₄₆	B	G	E	ν	G/B
F-43m	0	340			189			73							162	165	369	0.120	1.016
C2/m	120	761	1327	830	390	268	449	313	451	−10	355	6	−35	−15	563	319	805	0.261	0.567
P4₂/mnm	210	1326		2025	575		78	670	350						821	354	929	0.311	0.431

Table 2. Independent elastic constants Cij, bulk, shear, and Young's moduli (B, G and E all in GPa), Poisson's ratio ν and G/B of the stable phases of BP.