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	hartrees
Energy at 0K	-263.950377
Energy at 298.15K
HF Energy	-263.315820
Nuclear repulsion energy	122.760883

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2361	2361	0.00
2	Σ_g	809	809	0.00
3	Σ_u	2429	2429	4886.73
4	Σ_u	1721	1721	102.72
5	Π_g	642	642	0.00
5	Π_g	642	642	0.00
6	Π_u	592	592	66.13
6	Π_u	592	592	66.13
7	Π_u	104i	104i	0.99
7	Π_u	104i	104i	0.99

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.280
C3	0.000	0.000	-1.280
O4	0.000	0.000	2.434
O5	0.000	0.000	-2.434

	C1	C2	C3	O4	O5
C1		1.2804	1.2804	2.4336	2.4336
C2	1.2804		2.5607	1.1532	3.7139
C3	1.2804	2.5607		3.7139	1.1532
O4	2.4336	1.1532	3.7139		4.8671
O5	2.4336	3.7139	1.1532	4.8671

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: CID/daug-cc-pVDZ

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: CID/daug-cc-pVDZ

States and conformations

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