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All results from a given calculation for CH (Methylidyne)

using model chemistry: wB97X-D/3-21G*

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/3-21G*
 hartrees
Energy at 0K-38.246712
Energy at 298.15K 
HF Energy-38.246712
Nuclear repulsion energy2.777321
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/3-21G*
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 2689 2549 187.93 266859.50 0.34 0.51

Unscaled Zero Point Vibrational Energy (zpe) 1344.4 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 1274.2 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/3-21G*
B
13.87337

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.163
H2 0.000 0.000 -0.980

Atom - Atom Distances (Å)
  C1 H2
C11.1432
H21.1432

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/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.144      
2 H 0.144      


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 -1.517 1.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.371 0.000 0.000
y 0.000 -5.486 0.000
z 0.000 0.000 -7.589
Traceless
 xyz
x -0.833 0.000 0.000
y 0.000 1.994 0.000
z 0.000 0.000 -1.161
Polar
3z2-r2-2.321
x2-y2-1.885
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.000 0.000 0.000
y 0.000 2.269 0.000
z 0.000 0.000 1.859


<r2> (average value of r2) Å2
<r2> 5.377
(<r2>)1/2 2.319

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-38.246712
Energy at 298.15K 
HF Energy-38.246712
Nuclear repulsion energy2.777321
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/3-21G*
Rotational Constants (cm-1) from geometry optimized at wB97X-D/3-21G*
B
13.87337

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

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/3-21G*
 hartrees
Energy at 0K-38.229799
Energy at 298.15K-38.228447
HF Energy-38.229799
Nuclear repulsion energy2.897067
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/3-21G*
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 3116 2954 27.16      

Unscaled Zero Point Vibrational Energy (zpe) 1558.1 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 1476.8 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 wB97X-D/3-21G*
B
15.09550

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.157
H2 0.000 0.000 -0.939

Atom - Atom Distances (Å)
  C1 H2
C11.0960
H21.0960

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/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.254      
2 H 0.254      


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 -0.806 0.806
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.132 0.000 0.000
y 0.000 -7.132 0.000
z 0.000 0.000 -5.237
Traceless
 xyz
x -0.947 0.000 0.000
y 0.000 -0.947 0.000
z 0.000 0.000 1.895
Polar
3z2-r23.790
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 0.510 0.000 0.000
y 0.000 0.510 0.000
z 0.000 0.000 1.263


<r2> (average value of r2) Å2
<r2> 5.089
(<r2>)1/2 2.256