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All results from a given calculation for CH (Methylidyne)

using model chemistry: B3PW91/6-311G*

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 B3PW91/6-311G*
 hartrees
Energy at 0K-38.467957
Energy at 298.15K 
HF Energy-38.467957
Nuclear repulsion energy2.812326
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 B3PW91/6-311G*
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 2825 2719 185.21      

Unscaled Zero Point Vibrational Energy (zpe) 1412.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 1359.6 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 B3PW91/6-311G*
B
14.22530

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

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 -0.968

Atom - Atom Distances (Å)
  C1 H2
C11.1290
H21.1290

picture of Methylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.187      
2 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.534 1.534
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.564 0.000 0.000
y 0.000 -5.568 0.000
z 0.000 0.000 -7.589
Traceless
 xyz
x -0.986 0.000 0.000
y 0.000 2.009 0.000
z 0.000 0.000 -1.023
Polar
3z2-r2-2.045
x2-y2-1.996
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.256 0.000 0.000
y 0.000 1.100 0.000
z 0.000 0.000 2.014


<r2> (average value of r2) Å2
<r2> 5.407
(<r2>)1/2 2.325

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-38.467957
Energy at 298.15K 
HF Energy-38.467957
Nuclear repulsion energy2.812326
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 B3PW91/6-311G*
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-311G*
B
14.22530

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 3 (4Σ-)

Jump to S1C1 S2C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-38.447364
Energy at 298.15K-38.446013
HF Energy-38.447364
Nuclear repulsion energy2.913250
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 B3PW91/6-311G*
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 3136 3019 36.93      

Unscaled Zero Point Vibrational Energy (zpe) 1567.9 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 1509.4 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 B3PW91/6-311G*
B
15.26461

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

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 -0.934

Atom - Atom Distances (Å)
  C1 H2
C11.0899
H21.0899

picture of Methylidyne state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.281      
2 H 0.281      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.738 0.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.319 0.000 0.000
y 0.000 -7.319 0.000
z 0.000 0.000 -5.329
Traceless
 xyz
x -0.995 0.000 0.000
y 0.000 -0.995 0.000
z 0.000 0.000 1.991
Polar
3z2-r23.981
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.868 0.000 0.000
y 0.000 0.868 0.000
z 0.000 0.000 1.394


<r2> (average value of r2) Å2
<r2> 5.175
(<r2>)1/2 2.275