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	hartrees
Energy at 0K	-263.997183
Energy at 298.15K	-263.996072
HF Energy	-263.282144
Nuclear repulsion energy	122.113751

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2311	2178	0.00
2	Σ_g	797	751	0.00
3	Σ_u	2410	2271	4568.70
4	Σ_u	1681	1584	130.72
5	Π_g	597	563	0.00
5	Π_g	597	563	0.00
6	Π_u	612	577	82.18
6	Π_u	612	577	82.18
7	Π_u	121	114	0.14
7	Π_u	121	114	0.14

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.278
C3	0.000	0.000	-1.278
O4	0.000	0.000	2.446
O5	0.000	0.000	-2.446

	C1	C2	C3	O4	O5
C1		1.2782	1.2782	2.4456	2.4456
C2	1.2782		2.5565	1.1674	3.7239
C3	1.2782	2.5565		3.7239	1.1674
O4	2.4456	1.1674	3.7239		4.8913
O5	2.4456	3.7239	1.1674	4.8913

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/6-31+G**

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/6-31+G**

States and conformations

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