Table 2. Calculated elastic constants C_ij (GPa), the minimum elastic eigenvalue λ₁ (GPa), bulk modulus B (GPa), shear modulus G (GPa), Young’s modulus E (GPa),Poisson’s ratio ν, and hardness H_ν (GPa).

	C11	C12	C13	C23	C22	C33	C44	C55	C6	B	G	E	ν	λ1	Hν	Ref.
V5C3	539	179	193	–	–	492	193	–	153	278	179	441	0.235	153	21.85	This study
VC	668	130	–	–	–	–	198	–	–	309	224	542	0.208	198	29.54	This study
VC	748	139	–	–	–	–	182	–	–	342	224	551	0.230	–	25.90	Ref. 11
VC	663	122	–	–	–	–	203	–	–	302	228	546	0.198	–	31.48	Ref. 8
VC	578	147	–	–	–	–	176	–	–	291c	216c	519c	–	–	29.75	Ref. 9
V2C	393	181	122	189	381	410	107	125	131	240	118	303	0.290	107	7.73	This study
V2C	452	207	146	205	450	493	122	143	161	279	140	359	0.290	–	13.07	Ref. 11
V2C	400	182	120	189	383	414	110	130	135	242	121	311	0.286	–	11.70	Ref. 8
V4C3	512	124	137	–	–	477	99	–	194	253	148	372	0.255	113	16.87	This study
V4C3	537	154	206	–	–	480	148	–	–	299	162	412	0.271	–	16.15	Ref. 8
V6C5	452	108	130	–	–	472	190	–	172	235	176	422	0.200	154	26.36	This study
V6C5	505	126	155	–	–	512	229	–	190	266	198	475	0.200	–	28.23	Ref. 11
V6C5	456	114	130	–	–	474	189	–	–	237	176	423	0.202	–	26.07	Ref. 8
V8C7	528	107	–	–	–	–	162	–	–	247	180	432	0.207	162	25.81	This study
V8C7	651	120	–	–	–	–	179	–	–	297	210	509	0.210	–	27.44	Ref. 11
V8C7	512	108	–	–	–	–	167	–	–	243	180	433	0.203	–	26.37	Ref. 8