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All results from a given calculation for CH (Methylidyne)

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-38.459826
Energy at 298.15K 
HF Energy-38.459826
Nuclear repulsion energy2.808482
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/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 2834 2688 183.94 205.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1417.2 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 1344.2 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/6-31G*
B
14.18643

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/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 -0.969

Atom - Atom Distances (Å)
  C1 H2
C11.1305
H21.1305

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/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.131      
2 H 0.131      


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 -1.457 1.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.294 0.000 0.000
y 0.000 -5.418 0.000
z 0.000 0.000 -7.458
Traceless
 xyz
x -0.856 0.000 0.000
y 0.000 1.958 0.000
z 0.000 0.000 -1.102
Polar
3z2-r2-2.204
x2-y2-1.876
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.064 0.000 0.000
y 0.000 1.299 0.000
z 0.000 0.000 1.905


<r2> (average value of r2) Å2
<r2> 5.295
(<r2>)1/2 2.301

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-38.459826
Energy at 298.15K 
HF Energy-38.459826
Nuclear repulsion energy2.808482
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/6-31G*
Rotational Constants (cm-1) from geometry optimized at wB97X-D/6-31G*
B
14.18643

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-38.437661
Energy at 298.15K-38.436309
HF Energy-38.437661
Nuclear repulsion energy 
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/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 3176 3013 26.31      

Unscaled Zero Point Vibrational Energy (zpe) 1588.2 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 1506.4 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 wB97X-D/6-31G*
B
15.17069

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/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 -0.937

Atom - Atom Distances (Å)
  C1 H2
C11.0932
H21.0932

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/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.233      
2 H 0.233      


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 -0.745 0.745
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.054 0.000 0.000
y 0.000 -7.054 0.000
z 0.000 0.000 -5.193
Traceless
 xyz
x -0.930 0.000 0.000
y 0.000 -0.930 0.000
z 0.000 0.000 1.861
Polar
3z2-r23.721
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 0.669 0.000 0.000
y 0.000 0.669 0.000
z 0.000 0.000 1.335


<r2> (average value of r2) Å2
<r2> 5.043
(<r2>)1/2 2.246