Hydrogen selenide (ideal gas)	H2Se (g)	H2Se1(g)	Pankratz et al 1984 (B677)				
T(K)	Cp (J/mol*K)	S (J/mol*K)	-[G-H(Tr)]/T (J/mol*K)	H-H(Tr) (kJ/mol*K)	delta-f H (kJ/mol*K)	delta-f G (kJ/mol*K)	log Kf
298	34.644	218.823	no data	0.000	-40.376	-30.388	no data
400	36.819	229.325	no data	3.648	-41.807	-26.748	no data
600	40.166	244.931	no data	11.355	-44.175	-18.702	no data
800	43.263	256.898	no data	19.702	-45.940	-9.899	no data
1000	46.275	266.897	no data	28.656	-47.158	-0.778	no data
1200	49.246	275.600	no data	38.208	-47.869	8.581	no data
1400	52.174	283.382	no data	48.350	-48.108	18.050	no data
1600	55.145	290.537	no data	59.086	-47.886	27.497	no data
1800	58.074	297.231	no data	70.404	-47.196	36.840	no data
2000	61.003	303.507	no data	82.316	-46.011	46.095	no data