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	hartrees
Energy at 0K	-261.811869
Energy at 298.15K	-261.815947
HF Energy	-261.210734
Nuclear repulsion energy	176.537040

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3105	2954	0.00
2	A_g	2143	2039	0.00
3	A_g	1572	1495	0.00
4	A_g	1430	1361	0.00
5	A_g	1009	960	0.00
6	A_g	972	925	0.00
7	A_g	522	496	0.00
8	A_g	251	239	0.00
9	A_u	3165	3011	1.05
10	A_u	1298	1235	0.00
11	A_u	808	768	2.88
12	A_u	447	425	0.53
13	A_u	84	80	16.21
14	B_g	3146	2993	0.00
15	B_g	1387	1319	0.00
16	B_g	1105	1051	0.00
17	B_g	407	387	0.00
18	B_u	3113	2962	3.13
19	B_u	2147	2043	11.46
20	B_u	1573	1497	16.69
21	B_u	1365	1298	1.79
22	B_u	910	866	4.66
23	B_u	553	526	3.91
24	B_u	144	137	15.89

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.783	0.000
C2	0.000	-0.783	0.000
C3	-1.377	1.303	0.000
C4	1.377	-1.303	0.000
N5	2.490	-1.720	0.000
N6	-2.490	1.720	0.000
H7	0.529	1.148	0.887
H8	0.529	1.148	-0.887
H9	-0.529	-1.148	0.887
H10	-0.529	-1.148	-0.887

	C1	C2	C3	C4	N5	N6	H7	H8	H9	H10
C1		1.5660	1.4721	2.4997	3.5304	2.6601	1.0958	1.0958	2.1903	2.1903
C2	1.5660		2.4997	1.4721	2.6601	3.5304	2.1903	2.1903	1.0958	1.0958
C3	1.4721	2.4997		3.7919	4.9083	1.1880	2.1086	2.1086	2.7414	2.7414
C4	2.4997	1.4721	3.7919		1.1880	4.9083	2.7414	2.7414	2.1086	2.1086
N5	3.5304	2.6601	4.9083	1.1880		6.0521	3.5857	3.5857	3.1982	3.1982
N6	2.6601	3.5304	1.1880	4.9083	6.0521		3.1982	3.1982	3.5857	3.5857
H7	1.0958	2.1903	2.1086	2.7414	3.5857	3.1982		1.7743	2.5291	3.0894
H8	1.0958	2.1903	2.1086	2.7414	3.5857	3.1982	1.7743		3.0894	2.5291
H9	2.1903	1.0958	2.7414	2.1086	3.1982	3.5857	2.5291	3.0894		1.7743
H10	2.1903	1.0958	2.7414	2.1086	3.1982	3.5857	3.0894	2.5291	1.7743

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	110.688	C1	C2	H9	109.477
C1	C2	H10	109.477	C1	C3	N6	179.865
C2	C1	C3	110.688	C2	C1	H7	109.477
C2	C1	H8	109.477	C2	C4	N5	179.865
C3	C1	H7	109.525	C3	C1	H8	109.525
C4	C2	H9	109.525	C4	C2	H10	109.525
H7	C1	H8	108.104	H9	C2	H10	108.104

All results from a given calculation for C₄H₄N₂ (Succinonitrile)

using model chemistry: MP2/3-21G*

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: MP2/3-21G*

States and conformations

All results from a given calculation for C₄H₄N₂ (Succinonitrile)