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	hartrees
Energy at 0K	-189.253746
Energy at 298.15K	-189.251318
HF Energy	-189.059858
Nuclear repulsion energy	75.575959

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2302	2302	1417.49
2	Σ	1919	1919	16.65
3	Σ	946	946	1.93
4	Π	568	568	20.65
4	Π	568	568	20.65
5	Π	104	104	6.04
5	Π	104	104	6.04

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.053
C2	0.000	0.000	-0.765
C3	0.000	0.000	0.543
O4	0.000	0.000	1.706

	C1	C2	C3	O4
C1		1.2878	2.5962	3.7588
C2	1.2878		1.3084	2.4710
C3	2.5962	1.3084		1.1626
O4	3.7588	2.4710	1.1626

Number	Element	Mulliken
1	C	-0.675
2	C	0.702
3	C	0.136
4	O	-0.164

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

using model chemistry: B2PLYP/aug-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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<r²>	69.294
(<r²>)^1/2	8.324

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

using model chemistry: B2PLYP/aug-cc-pVDZ

States and conformations

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