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	hartrees
Energy at 0K	-264.295676
Energy at 298.15K
HF Energy	-263.373715
Nuclear repulsion energy	121.963423

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	Σ_g	2219	2219	0.00	139.99	0.43	0.60
2	Σ_g	766	766	0.00	78.91	0.19	0.33
3	Σ_u	2432	2432	2877.90	0.00	0.00	0.00
4	Σ_u	1597	1597	98.00	0.00	0.00	0.00
5	Π_g	573	573	0.00	1.05	0.75	0.86
5	Π_g	573	573	0.00	1.05	0.75	0.86
6	Π_u	506	506	31.59	0.00	0.00	0.00
6	Π_u	506	506	31.59	0.00	0.00	0.00
7	Π_u	62i	62i	0.20	0.00	0.00	0.00
7	Π_u	62i	62i	0.20	0.00	0.00	0.00

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.277
C3	0.000	0.000	-1.277
O4	0.000	0.000	2.448
O5	0.000	0.000	-2.448

	C1	C2	C3	O4	O5
C1		1.2770	1.2770	2.4484	2.4484
C2	1.2770		2.5541	1.1714	3.7254
C3	1.2770	2.5541		3.7254	1.1714
O4	2.4484	1.1714	3.7254		4.8968
O5	2.4484	3.7254	1.1714	4.8968

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: MP2/daug-cc-pVTZ

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: MP2/daug-cc-pVTZ

States and conformations

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