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	hartrees
Energy at 0K	-263.640567
Energy at 298.15K
HF Energy	-263.135579
Nuclear repulsion energy	120.596761

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2197	2108	0.00
2	Σ_g	770	739	0.00
3	Σ_u	2363	2267	3949.44
4	Σ_u	1583	1519	266.62
5	Π_g	513	492	0.00
5	Π_g	513	492	0.00
6	Π_u	403	387	81.83
6	Π_u	403	387	81.83
7	Π_u	178i	171i	8.53
7	Π_u	178i	171i	8.53

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.284
C3	0.000	0.000	-1.284
O4	0.000	0.000	2.476
O5	0.000	0.000	-2.476

	C1	C2	C3	O4	O5
C1		1.2839	1.2839	2.4756	2.4756
C2	1.2839		2.5679	1.1917	3.7595
C3	1.2839	2.5679		3.7595	1.1917
O4	2.4756	1.1917	3.7595		4.9512
O5	2.4756	3.7595	1.1917	4.9512

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O4	180.000		C1	C3	O5	180.000
C2	C1	C3	180.000

All results from a given calculation for C₃O₂ (Carbon suboxide)

using model chemistry: CCD/6-31G

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 C3O2 (Carbon suboxide)

using model chemistry: CCD/6-31G

States and conformations

All results from a given calculation for C₃O₂ (Carbon suboxide)