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	hartrees
Energy at 0K	-264.376368
Energy at 298.15K	-264.375058
HF Energy	-263.383136
Nuclear repulsion energy	122.276672

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	2233	2233	0.00	117.99	0.37	0.55
2	Σ_g	768	768	0.00	69.93	0.24	0.39
3	Σ_u	2448	2448	2769.20	0.00	0.00	0.00
4	Σ_u	1608	1608	90.32	0.00	0.00	0.00
5	Π_g	578	578	0.00	0.58	0.75	0.86
5	Π_g	578	578	0.00	0.58	0.75	0.86
6	Π_u	559	559	43.02	0.00	0.75	0.86
6	Π_u	559	559	43.02	0.00	0.75	0.86
7	Π_u	91	91	0.09	0.00	0.00	0.00
7	Π_u	91	91	0.09	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	1.275
C3	0.000	0.000	-1.275
O4	0.000	0.000	2.442
O5	0.000	0.000	-2.442

	C1	C2	C3	O4	O5
C1		1.2746	1.2746	2.4422	2.4422
C2	1.2746		2.5492	1.1676	3.7168
C3	1.2746	2.5492		3.7168	1.1676
O4	2.4422	1.1676	3.7168		4.8844
O5	2.4422	3.7168	1.1676	4.8844

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/Def2TZVPP

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/Def2TZVPP

States and conformations

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