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State	Conformation	minimum conformation	conformer description	state description
1	1	yes	D*H	¹Σ_g
1	2	no	C2V	¹A₁

	hartrees
Energy at 0K	-113.385913
Energy at 298.15K
HF Energy	-113.385913
Nuclear repulsion energy	36.315108

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	1159	1153	0.00
2	Σ_u	2060	2048	574.25
3	Π_u	87	87	7.99
3	Π_u	87	87	7.99

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.311
C3	0.000	0.000	-1.311

	C1	C2	C3
C1		1.3115	1.3115
C2	1.3115		2.6229
C3	1.3115	2.6229

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

using model chemistry: BLYP/3-21G

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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Number	Element	Mulliken
1	C	-0.140
2	C	0.070
3	C	0.070

<r²>	31.958
(<r²>)^1/2	5.653

Number	Element	Mulliken
1	C	-0.140
2	C	0.070
3	C	0.070

<r²>	31.960
(<r²>)^1/2	5.653

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

using model chemistry: BLYP/3-21G

States and conformations

Conformer 1 (D*H)

Conformer 2 (C2V)

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