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	hartrees
Energy at 0K	-263.214314
Energy at 298.15K	-263.213136
Nuclear repulsion energy	120.935543

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2189	2145	0.00
2	Σ_g	767	751	0.00
3	Σ_u	2437	2387	1801.66
4	Σ_u	1568	1536	127.55
5	Π_g	511	501	0.00
5	Π_g	511	501	0.00
6	Π_u	573	562	44.26
6	Π_u	573	562	44.26
7	Π_u	154	151	1.16
7	Π_u	154	151	1.16

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.276
C3	0.000	0.000	-1.276
O4	0.000	0.000	2.468
O5	0.000	0.000	-2.468

	C1	C2	C3	O4	O5
C1		1.2764	1.2764	2.4684	2.4684
C2	1.2764		2.5527	1.1921	3.7448
C3	1.2764	2.5527		3.7448	1.1921
O4	2.4684	1.1921	3.7448		4.9369
O5	2.4684	3.7448	1.1921	4.9369

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: LSDA/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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Number	Element	Mulliken
1	C	0.501
2	C	-0.033
3	C	-0.033
4	O	-0.218
5	O	-0.218

<r²>	0.000
(<r²>)^1/2	0.000

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

using model chemistry: LSDA/6-31G

States and conformations

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