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	hartrees
Energy at 0K	-76.350151
Energy at 298.15K	-76.349022
HF Energy	-76.148755
Nuclear repulsion energy	20.446855

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	3581	3308	46.00
2	Σ	2336	2158	6.19
3	Π	764	705	19.35
3	Π	764	705	19.35

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-0.466
C2	0.000	0.000	0.721
H3	0.000	0.000	-1.531

	C1	C2	H3
C1		1.1866	1.0648
C2	1.1866		2.2514
H3	1.0648	2.2514

All results from a given calculation for C₂H (Ethynyl radical)

using model chemistry: CID/6-31G*

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 C2H (Ethynyl radical)

using model chemistry: CID/6-31G*

States and conformations

All results from a given calculation for C₂H (Ethynyl radical)