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	hartrees
Energy at 0K	-185.850095
Energy at 298.15K	-185.848082
HF Energy	-185.850095
Nuclear repulsion energy	76.264646

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2567	2096	1768.38
2	Σ	2237	1827	391.97
3	Σ	1086	887	2.76
4	Π	690	564	50.51
4	Π	690	564	50.51
5	Π	237	194	3.07
5	Π	237	194	3.07

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.022
C2	0.000	0.000	-0.765
C3	0.000	0.000	0.526
O4	0.000	0.000	1.696

	C1	C2	C3	O4
C1		1.2564	2.5482	3.7174
C2	1.2564		1.2918	2.4610
C3	2.5482	1.2918		1.1692
O4	3.7174	2.4610	1.1692

Number	Element	Mulliken
1	C	0.083
2	C	-0.293
3	C	0.359
4	O	-0.149

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

using model chemistry: HF/STO-3G

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>	66.074
(<r²>)^1/2	8.129

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

using model chemistry: HF/STO-3G

States and conformations

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