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	hartrees
Energy at 0K	-44.464750
Energy at 298.15K	-44.468469
HF Energy	-43.630282
Nuclear repulsion energy	90.710438

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3111	2964	0.00
2	A_g	2143	2042	0.00
3	A_g	1512	1441	0.00
4	A_g	1410	1343	0.00
5	A_g	1055	1005	0.00
6	A_g	964	919	0.00
7	A_g	500	477	0.00
8	A_g	206	197	0.00
9	A_u	3188	3037	1.83
10	A_u	1223	1166	0.08
11	A_u	766	730	1.71
12	A_u	363	346	0.18
13	A_u	78	74	20.12
14	B_g	3170	3021	0.00
15	B_g	1336	1272	0.00
16	B_g	1051	1001	0.00
17	B_g	324	309	0.00
18	B_u	3118	2971	5.48
19	B_u	2146	2045	3.69
20	B_u	1518	1446	15.66
21	B_u	1297	1235	0.95
22	B_u	922	878	6.50
23	B_u	498	474	2.82
24	B_u	122	117	19.97

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.775	0.000
C2	0.000	-0.775	0.000
C3	-1.389	1.283	0.000
C4	1.389	-1.283	0.000
N5	2.516	-1.654	0.000
N6	-2.516	1.654	0.000
H7	0.517	1.155	0.886
H8	0.517	1.155	-0.886
H9	-0.517	-1.155	0.886
H10	-0.517	-1.155	-0.886

	C1	C2	C3	C4	N5	N6	H7	H8	H9	H10
C1		1.5497	1.4790	2.4824	3.4968	2.6649	1.0940	1.0940	2.1857	2.1857
C2	1.5497		2.4824	1.4790	2.6649	3.4968	2.1857	2.1857	1.0940	1.0940
C3	1.4790	2.4824		3.7813	4.8858	1.1862	2.1061	2.1061	2.7362	2.7362
C4	2.4824	1.4790	3.7813		1.1862	4.8858	2.7362	2.7362	2.1061	2.1061
N5	3.4968	2.6649	4.8858	1.1862		6.0214	3.5593	3.5593	3.1989	3.1989
N6	2.6649	3.4968	1.1862	4.8858	6.0214		3.1989	3.1989	3.5593	3.5593
H7	1.0940	2.1857	2.1061	2.7362	3.5593	3.1989		1.7716	2.5314	3.0898
H8	1.0940	2.1857	2.1061	2.7362	3.5593	3.1989	1.7716		3.0898	2.5314
H9	2.1857	1.0940	2.7362	2.1061	3.1989	3.5593	2.5314	3.0898		1.7716
H10	2.1857	1.0940	2.7362	2.1061	3.1989	3.5593	3.0898	2.5314	1.7716

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	110.075	C1	C2	H9	110.340
C1	C2	H10	110.340	C1	C3	N6	178.173
C2	C1	C3	110.075	C2	C1	H7	110.340
C2	C1	H8	110.340	C2	C4	N5	178.173
C3	C1	H7	108.957	C3	C1	H8	108.957
C4	C2	H9	108.957	C4	C2	H10	108.957
H7	C1	H8	108.126	H9	C2	H10	108.126

All results from a given calculation for C₄H₄N₂ (Succinonitrile)

using model chemistry: MP2/CEP-121G*

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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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: MP2/CEP-121G*

States and conformations

All results from a given calculation for C₄H₄N₂ (Succinonitrile)