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	hartrees
Energy at 0K	-264.191291
Energy at 298.15K
HF Energy	-263.346553
Nuclear repulsion energy	123.183932

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2377	2377	0.00
2	Σ_g	802	802	0.00
3	Σ_u	2452	2452	4291.90
4	Σ_u	1722	1722	90.83
5	Π_g	630	630	0.00
5	Π_g	630	630	0.00
6	Π_u	603	603	93.10
6	Π_u	603	603	93.10
7	Π_u	54i	54i	2.10
7	Π_u	54i	54i	2.10

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.275
C3	0.000	0.000	-1.275
O4	0.000	0.000	2.425
O5	0.000	0.000	-2.425

	C1	C2	C3	O4	O5
C1		1.2746	1.2746	2.4251	2.4251
C2	1.2746		2.5492	1.1505	3.6997
C3	1.2746	2.5492		3.6997	1.1505
O4	2.4251	1.1505	3.6997		4.8502
O5	2.4251	3.6997	1.1505	4.8502

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: MP3=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: MP3=FULL/6-311G*

States and conformations

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