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	hartrees
Energy at 0K	-186.590251
Energy at 298.15K
HF Energy	-185.741425
Nuclear repulsion energy	89.236194

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3438	3438
2	A_g	2078	2078
3	A_g	1171	1171
4	A_g	911	911
5	A_g	294	294
6	A_u	942	942
7	A_u	244	244
8	B_g	669	669
9	B_u	3438	3438
10	B_u	1705	1705
11	B_u	1137	1137
12	B_u	276	276

Atom	x (Å)	y (Å)
C1	0.272	-0.595
C2	-0.272	0.595
N3	0.272	-1.846
N4	-0.272	1.846
H5	1.221	-2.227
H6	-1.221	2.227

	C1	C2	N3	N4	H5	H6
C1		1.3080	1.2509	2.5003	1.8882	3.1926
C2	1.3080		2.5003	1.2509	3.1926	1.8882
N3	1.2509	2.5003		3.7312	1.0226	4.3380
N4	2.5003	1.2509	3.7312		4.3380	1.0226
H5	1.8882	3.1926	1.0226	4.3380		5.0799
H6	3.1926	1.8882	4.3380	1.0226	5.0799

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	N4	155.409		C1	N3	H5	111.917
C2	C1	N3	155.409		C2	N4	H6	111.917

All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: QCISD(T)=FULL/6-311+G(3df,2p)

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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