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	hartrees
Energy at 0K	-41.678394
Energy at 298.15K	-41.676190
HF Energy	-41.057892
Nuclear repulsion energy	64.220965

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	2182	2130	0.00
2	A_g	1863	1818	0.00
3	A_g	624	609	0.00
4	A_g	557	543	0.00
5	A_g	280	273	0.00
6	A_u	455	444	0.83
7	A_u	111	109	8.70
8	B_g	392	382	0.00
9	B_u	1995	1947	2.50
10	B_u	1072	1047	5.18
11	B_u	458	447	1.58
12	B_u	108	105	8.29

Atom	x (Å)	y (Å)
C1	-0.031	0.624
C2	0.031	-0.624
C3	0.031	2.025
C4	-0.031	-2.025
N5	0.082	3.247
N6	-0.082	-3.247

	C1	C2	C3	C4	N5	N6
C1		1.2494	1.4021	2.6486	2.6255	3.8713
C2	1.2494		2.6486	1.4021	3.8713	2.6255
C3	1.4021	2.6486		4.0497	1.2234	5.2728
C4	2.6486	1.4021	4.0497		5.2728	1.2234
N5	2.6255	3.8713	1.2234	5.2728		6.4960
N6	3.8713	2.6255	5.2728	1.2234	6.4960

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	C4	174.616		C1	C3	N5	179.871
C2	C1	C3	174.616		C2	C4	N6	179.871

All results from a given calculation for C₄N₂ (2-Butynedinitrile)

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 C4N2 (2-Butynedinitrile)

using model chemistry: MP2/CEP-121G

States and conformations

All results from a given calculation for C₄N₂ (2-Butynedinitrile)