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	hartrees
Energy at 0K	-186.579392
Energy at 298.15K
HF Energy	-185.746351
Nuclear repulsion energy	89.450036

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3425	3301
2	A_g	2103	2027
3	A_g	1172	1129
4	A_g	921	888
5	A_g	309	298
6	A_u	947	913
7	A_u	253	244
8	B_g	674	650
9	B_u	3424	3300
10	B_u	1713	1651
11	B_u	1141	1100
12	B_u	280	270

Atom	x (Å)	y (Å)
C1	0.265	-0.595
C2	-0.265	0.595
N3	0.265	-1.843
N4	-0.265	1.843
H5	1.213	-2.221
H6	-1.213	2.221

	C1	C2	N3	N4	H5	H6
C1		1.3030	1.2481	2.4956	1.8825	3.1808
C2	1.3030		2.4956	1.2481	3.1808	1.8825
N3	1.2481	2.4956		3.7248	1.0213	4.3251
N4	2.4956	1.2481	3.7248		4.3251	1.0213
H5	1.8825	3.1808	1.0213	4.3251		5.0621
H6	3.1808	1.8825	4.3251	1.0213	5.0621

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	N4	156.042		C1	N3	H5	111.704
C2	C1	N3	156.042		C2	N4	H6	111.704

All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: CCSD(T)=FULL/aug-cc-pVTZ

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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