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	hartrees
Energy at 0K	-113.391098
Energy at 298.15K
HF Energy	-113.391098
Nuclear repulsion energy	37.450568

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	1343	1343	0.00
2	A₁	79	79	5.61
3	B₂	2274	2274	1551.59

Atom	y (Å)	z (Å)
C1	0.000	0.000
C2	1.272	-0.000
C3	-1.272	-0.000

	C1	C2	C3
C1		1.2717	1.2717
C2	1.2717		2.5434
C3	1.2717	2.5434

Number	Element	Mulliken
1	C	0.729
2	C	-0.364
3	C	-0.364

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

using model chemistry: ROHF/aug-cc-pVTZ

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>	31.034
(<r²>)^1/2	5.571

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

using model chemistry: ROHF/aug-cc-pVTZ

States and conformations

Conformer 1 (D*H)

Conformer 2 (C2V)

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