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All results from a given calculation for CH (Methylidyne)

using model chemistry: B3LYP/6-31G*

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 B3LYP/6-31G*
 hartrees
Energy at 0K-38.479163
Energy at 298.15K 
HF Energy-38.479163
Nuclear repulsion energy2.802156
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 B3LYP/6-31G*
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 2803 2692 185.39 204.91 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 1401.4 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 1345.8 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 B3LYP/6-31G*
B
14.12259

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.162
H2 0.000 0.000 -0.971

Atom - Atom Distances (Å)
  C1 H2
C11.1331
H21.1331

picture of Methylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.122      
2 H 0.122      


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 -1.384 1.384
CHELPG 0.000 0.000 -1.224 1.224
AIM 0.000 0.000 -0.509 0.509
ESP 0.000 0.000 -1.266 1.266


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.283 0.000 0.000
y 0.000 -5.410 0.000
z 0.000 0.000 -7.463
Traceless
 xyz
x -0.847 0.000 0.000
y 0.000 1.963 0.000
z 0.000 0.000 -1.116
Polar
3z2-r2-2.232
x2-y2-1.873
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.022 0.000 0.000
y 0.000 1.234 0.000
z 0.000 0.000 1.894


<r2> (average value of r2) Å2
<r2> 5.297
(<r2>)1/2 2.301

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-38.479163
Energy at 298.15K 
HF Energy-38.479163
Nuclear repulsion energy2.802156
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 B3LYP/6-31G*
Rotational Constants (cm-1) from geometry optimized at B3LYP/6-31G*
B
14.12259

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 3 (4Σ-)

Jump to S1C1 S2C1
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-38.446615
Energy at 298.15K-38.445264
HF Energy-38.446615
Nuclear repulsion energy2.900025
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 B3LYP/6-31G*
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 3096 2974 35.09      

Unscaled Zero Point Vibrational Energy (zpe) 1548.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 1486.7 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 B3LYP/6-31G*
B
15.12633

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

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 -0.938

Atom - Atom Distances (Å)
  C1 H2
C11.0948
H21.0948

picture of Methylidyne state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 H 0.220      


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 -0.735 0.735
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.048 0.000 0.000
y 0.000 -7.048 0.000
z 0.000 0.000 -5.202
Traceless
 xyz
x -0.923 0.000 0.000
y 0.000 -0.923 0.000
z 0.000 0.000 1.846
Polar
3z2-r23.691
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 0.665 0.000 0.000
y 0.000 0.665 0.000
z 0.000 0.000 1.381


<r2> (average value of r2) Å2
<r2> 5.045
(<r2>)1/2 2.246