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State	Conformation	minimum conformation	conformer description	state description
1	1	yes	C*V	²Π_1/2
3	1	yes	C*V	⁴Σ^-

	hartrees
Energy at 0K	-38.389758
Energy at 298.15K
HF Energy	-38.271234
Nuclear repulsion energy	2.824163

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.161
H2	0.000	0.000	-0.964

	C1	H2
C1		1.1242
H2	1.1242

	hartrees
Energy at 0K	-38.389758
Energy at 298.15K
HF Energy	-38.271234
Nuclear repulsion energy	2.824163

All results from a given calculation for CH (Methylidyne)

using model chemistry: QCISD/6-31G(2df,p)

States and conformations

State 1 (²Π_1/2)

State 2 (²Π_3/2)

State 3 (⁴Σ^-)

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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You are here: Calculated > Energy > Optimized > Energy

	hartrees
Energy at 0K	-38.367014
Energy at 298.15K	-38.365663
HF Energy	-38.279542
Nuclear repulsion energy	2.916678

	C1	H2
C1		1.0886
H2	1.0886

All results from a given calculation for CH (Methylidyne)

using model chemistry: QCISD/6-31G(2df,p)

States and conformations

State 1 (2Π1/2)

State 2 (2Π3/2)

State 3 (4Σ-)

State 1 (²Π_1/2)

State 2 (²Π_3/2)

State 3 (⁴Σ^-)