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	hartrees
Energy at 0K	-264.115733
Energy at 298.15K
HF Energy	-263.366487
Nuclear repulsion energy	123.145369

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2336	2215	0.00
2	Σ_g	800	758	0.00
3	Σ_u	2423	2297	4542.15
4	Σ_u	1700	1612	101.45
5	Π_g	602	570	0.00
5	Π_g	602	570	0.00
6	Π_u	517	490	90.98
6	Π_u	517	490	90.98
7	Π_u	172i	163i	7.87
7	Π_u	172i	163i	7.87

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.271
C3	0.000	0.000	-1.271
O4	0.000	0.000	2.425
O5	0.000	0.000	-2.425

	C1	C2	C3	O4	O5
C1		1.2712	1.2712	2.4255	2.4255
C2	1.2712		2.5424	1.1543	3.6967
C3	1.2712	2.5424		3.6967	1.1543
O4	2.4255	1.1543	3.6967		4.8509
O5	2.4255	3.6967	1.1543	4.8509

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: CCD/TZVP

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: CCD/TZVP

States and conformations

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