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All results from a given calculation for CH (Methylidyne)

using model chemistry: wB97X-D/TZVP

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 wB97X-D/TZVP
 hartrees
Energy at 0K-38.475614
Energy at 298.15K 
HF Energy-38.475614
Nuclear repulsion energy2.825450
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 wB97X-D/TZVP
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 2854 2725 161.85 185.05 0.71 0.83

Unscaled Zero Point Vibrational Energy (zpe) 1426.8 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1362.6 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 wB97X-D/TZVP
B
14.35837

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

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 -0.963

Atom - Atom Distances (Å)
  C1 H2
C11.1237
H21.1237

picture of Methylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.065      
2 H 0.065      


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 -1.617 1.617
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.703 0.000 0.000
y 0.000 -5.648 0.000
z 0.000 0.000 -7.812
Traceless
 xyz
x -0.973 0.000 0.000
y 0.000 2.110 0.000
z 0.000 0.000 -1.137
Polar
3z2-r2-2.274
x2-y2-2.055
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.565 0.000 0.000
y 0.000 1.421 0.000
z 0.000 0.000 2.196


<r2> (average value of r2) Å2
<r2> 5.488
(<r2>)1/2 2.343

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-38.475614
Energy at 298.15K 
HF Energy-38.475614
Nuclear repulsion energy2.825450
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 wB97X-D/TZVP
Rotational Constants (cm-1) from geometry optimized at wB97X-D/TZVP
B
14.35837

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 3 (4Σ-)

Jump to S1C1 S2C1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-38.453146
Energy at 298.15K-38.451794
HF Energy-38.453146
Nuclear repulsion energy2.908828
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 wB97X-D/TZVP
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 3147 3005 42.99      

Unscaled Zero Point Vibrational Energy (zpe) 1573.5 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1502.7 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 wB97X-D/TZVP
B
15.21831

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

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 -0.936

Atom - Atom Distances (Å)
  C1 H2
C11.0915
H21.0915

picture of Methylidyne state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.190      
2 H 0.190      


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 -0.751 0.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.402 0.000 0.000
y 0.000 -7.402 0.000
z 0.000 0.000 -5.390
Traceless
 xyz
x -1.006 0.000 0.000
y 0.000 -1.006 0.000
z 0.000 0.000 2.011
Polar
3z2-r24.022
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 1.033 0.000 0.000
y 0.000 1.033 0.000
z 0.000 0.000 1.425


<r2> (average value of r2) Å2
<r2> 5.225
(<r2>)1/2 2.286