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	hartrees
Energy at 0K	-188.397481
Energy at 298.15K	-188.395210
HF Energy	-188.397481
Nuclear repulsion energy	76.447863

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2340	2315	1214.86
2	Σ	1947	1925	38.52
3	Σ	956	946	3.04
4	Π	588	581	17.46
4	Π	588	581	17.46
5	Π	143	141	8.95
5	Π	143	141	8.95

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.028
C2	0.000	0.000	-0.757
C3	0.000	0.000	0.535
O4	0.000	0.000	1.687

	C1	C2	C3	O4
C1		1.2706	2.5627	3.7148
C2	1.2706		1.2921	2.4442
C3	2.5627	1.2921		1.1521
O4	3.7148	2.4442	1.1521

Number	Element	Mulliken
1	C	0.003
2	C	-0.242
3	C	0.272
4	O	-0.033

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

using model chemistry: LSDA/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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<r²>	67.709
(<r²>)^1/2	8.229

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

using model chemistry: LSDA/cc-pVTZ

States and conformations

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