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All results from a given calculation for CH (Methylidyne)

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π1/2
3 1 yes C*V 4Σ-

State 1 (2Π1/2)

Jump to S2C1 S3C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-38.375450
Energy at 298.15K 
HF Energy-38.275027
Nuclear repulsion energy2.820927
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2862 2659 165.07      

Unscaled Zero Point Vibrational Energy (zpe) 1431.2 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 1329.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
B
14.31244

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.161
H2 0.000 0.000 -0.965

Atom - Atom Distances (Å)
  C1 H2
C11.1255
H21.1255

picture of Methylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-38.375450
Energy at 298.15K 
HF Energy-38.275027
Nuclear repulsion energy2.820927
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/6-311G*
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
B
14.31244

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 3 (4Σ-)

Jump to S1C1 S2C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-38.357516
Energy at 298.15K-38.356164
HF Energy-38.283909
Nuclear repulsion energy2.911026
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3141 2919 40.10      

Unscaled Zero Point Vibrational Energy (zpe) 1570.7 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 1459.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
B
15.24131

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.156
H2 0.000 0.000 -0.935

Atom - Atom Distances (Å)
  C1 H2
C11.0907
H21.0907

picture of Methylidyne state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability