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	hartrees
Energy at 0K	-113.355101
Energy at 298.15K
HF Energy	-113.355101
Nuclear repulsion energy	37.281028

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	1367	1168	0.00
2	A₁	153	131	2.13
3	B₂	2312	1976	1346.31

Atom	y (Å)	z (Å)
C1	0.000	0.000
C2	1.277	-0.000
C3	-1.277	-0.000

	C1	C2	C3
C1		1.2775	1.2775
C2	1.2775		2.5550
C3	1.2775	2.5550

Number	Element	Mulliken
1	C	-0.317
2	C	0.158
3	C	0.158

All results from a given calculation for C₃ (carbon trimer)

using model chemistry: ROHF/6-31G**

States and conformations

Conformer 1 (D*H)

Conformer 2 (C2V)

	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>	30.817
(<r²>)^1/2	5.551

All results from a given calculation for C3 (carbon trimer)

using model chemistry: ROHF/6-31G**

States and conformations

Conformer 1 (D*H)

Conformer 2 (C2V)

All results from a given calculation for C₃ (carbon trimer)