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	hartrees
Energy at 0K	-189.111133
Energy at 298.15K	-189.108915
HF Energy	-188.395946
Nuclear repulsion energy	77.128487

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2436	2436	2151.90
2	Σ	2080	2080	65.40
3	Σ	995	995	0.32
4	Π	637	637	27.96
4	Π	637	637	27.96
5	Π	139	139	5.78
5	Π	139	139	5.78

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.012
C2	0.000	0.000	-0.755
C3	0.000	0.000	0.539
O4	0.000	0.000	1.672

	C1	C2	C3	O4
C1		1.2571	2.5513	3.6839
C2	1.2571		1.2941	2.4268
C3	2.5513	1.2941		1.1327
O4	3.6839	2.4268	1.1327

All results from a given calculation for C₃O (Tricarbon monoxide)

using model chemistry: MP3=FULL/aug-cc-pVTZ

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 C3O (Tricarbon monoxide)

using model chemistry: MP3=FULL/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₃O (Tricarbon monoxide)