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	hartrees
Energy at 0K	-264.218285
Energy at 298.15K	-264.216920
HF Energy	-263.341177
Nuclear repulsion energy	121.964868

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	2251	2136	0.00	96.47	0.31	0.47
2	Σ_g	771	731	0.00	64.46	0.27	0.43
3	Σ_u	2475	2347	2571.26	0.00	0.00	0.00
4	Σ_u	1617	1533	77.09	0.00	0.00	0.00
5	Π_g	594	563	0.00	0.22	0.75	0.86
5	Π_g	594	563	0.00	0.22	0.75	0.86
6	Π_u	571	542	56.29	0.00	0.00	0.00
6	Π_u	571	542	56.29	0.00	0.00	0.00
7	Π_u	65	62	0.75	0.00	0.00	0.00
7	Π_u	65	62	0.75	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	1.278
C3	0.000	0.000	-1.278
O4	0.000	0.000	2.448
O5	0.000	0.000	-2.448

	C1	C2	C3	O4	O5
C1		1.2778	1.2778	2.4485	2.4485
C2	1.2778		2.5556	1.1706	3.7263
C3	1.2778	2.5556		3.7263	1.1706
O4	2.4485	1.1706	3.7263		4.8969
O5	2.4485	3.7263	1.1706	4.8969

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=FULL/6-311G**

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=FULL/6-311G**

States and conformations

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