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	hartrees
Energy at 0K	-149.102084
Energy at 298.15K	-149.101938
Nuclear repulsion energy	50.632585

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	3942	3942	146.79
2	Σ	2596	2596	23.31
3	Σ	1105	1105	2.69
4	Π	972	972	6.35
4	Π	811	811	33.62
5	Π	505	505	3.36
5	Π	446	446	0.03

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-0.073
C2	0.000	0.000	-1.248
O3	0.000	0.000	1.279
H4	0.000	0.000	-2.312

	C1	C2	O3	H4
C1		1.1751	1.3519	2.2394
C2	1.1751		2.5270	1.0644
O3	1.3519	2.5270		3.5913
H4	2.2394	1.0644	3.5913

Number	Element	Mulliken
1	C	0.036
2	C	-0.105
3	O	-0.052
4	H	0.120

All results from a given calculation for HCCO (ketenyl radical)

using model chemistry: ROHF/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>	0.000
(<r²>)^1/2	0.000