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	hartrees
Energy at 0K	-44.395838
Energy at 298.15K	-44.399552
HF Energy	-43.606828
Nuclear repulsion energy	90.004119

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3127	2969	0.00
2	A_g	2172	2062	0.00
3	A_g	1505	1429	0.00
4	A_g	1412	1340	0.00
5	A_g	1066	1012	0.00
6	A_g	969	920	0.00
7	A_g	500	474	0.00
8	A_g	209	198	0.00
9	A_u	3213	3050	3.94
10	A_u	1232	1170	0.30
11	A_u	772	733	2.64
12	A_u	369	350	0.44
13	A_u	81	77	19.48
14	B_g	3196	3035	0.00
15	B_g	1345	1277	0.00
16	B_g	1034	982	0.00
17	B_g	324	308	0.00
18	B_u	3132	2974	8.25
19	B_u	2175	2065	1.44
20	B_u	1509	1433	14.61
21	B_u	1291	1225	1.79
22	B_u	930	883	6.22
23	B_u	495	470	3.75
24	B_u	122	116	19.19

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.777	0.000
C2	0.000	-0.777	0.000
C3	-1.398	1.289	0.000
C4	1.398	-1.289	0.000
N5	2.537	-1.669	0.000
N6	-2.537	1.669	0.000
H7	0.518	1.162	0.894
H8	0.518	1.162	-0.894
H9	-0.518	-1.162	0.894
H10	-0.518	-1.162	-0.894

	C1	C2	C3	C4	N5	N6	H7	H8	H9	H10
C1		1.5546	1.4891	2.4950	3.5245	2.6895	1.1020	1.1020	2.1968	2.1968
C2	1.5546		2.4950	1.4891	2.6895	3.5245	2.1968	2.1968	1.1020	1.1020
C3	1.4891	2.4950		3.8037	4.9233	1.2007	2.1183	2.1183	2.7529	2.7529
C4	2.4950	1.4891	3.8037		1.2007	4.9233	2.7529	2.7529	2.1183	2.1183
N5	3.5245	2.6895	4.9233	1.2007		6.0740	3.5899	3.5899	3.2235	3.2235
N6	2.6895	3.5245	1.2007	4.9233	6.0740		3.2235	3.2235	3.5899	3.5899
H7	1.1020	2.1968	2.1183	2.7529	3.5899	3.2235		1.7870	2.5436	3.1086
H8	1.1020	2.1968	2.1183	2.7529	3.5899	3.2235	1.7870		3.1086	2.5436
H9	2.1968	1.1020	2.7529	2.1183	3.2235	3.5899	2.5436	3.1086		1.7870
H10	2.1968	1.1020	2.7529	2.1183	3.2235	3.5899	3.1086	2.5436	1.7870

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	110.098	C1	C2	H9	110.408
C1	C2	H10	110.408	C1	C3	N6	178.341
C2	C1	C3	110.098	C2	C1	H7	110.408
C2	C1	H8	110.408	C2	C4	N5	178.341
C3	C1	H7	108.759	C3	C1	H8	108.759
C4	C2	H9	108.759	C4	C2	H10	108.759
H7	C1	H8	108.358	H9	C2	H10	108.358

All results from a given calculation for C₄H₄N₂ (Succinonitrile)

using model chemistry: MP2/CEP-31G*

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-31G*

States and conformations

All results from a given calculation for C₄H₄N₂ (Succinonitrile)