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All results from a given calculation for CH (Methylidyne)

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-38.423056
Energy at 298.15K 
HF Energy-38.423056
Nuclear repulsion energy2.780743
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 PBEPBE/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 2716 2688 200.29 142.38 0.61 0.76

Unscaled Zero Point Vibrational Energy (zpe) 1357.9 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 1343.8 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 PBEPBE/6-311G*
B
13.90758

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

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 -0.979

Atom - Atom Distances (Å)
  C1 H2
C11.1418
H21.1418

picture of Methylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.182      
2 H 0.182      


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 -1.454 1.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.619 0.000 0.000
y 0.000 -5.623 0.000
z 0.000 0.000 -7.635
Traceless
 xyz
x -0.991 0.000 0.000
y 0.000 2.004 0.000
z 0.000 0.000 -1.014
Polar
3z2-r2-2.027
x2-y2-1.997
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.245 0.000 0.000
y 0.000 1.112 0.000
z 0.000 0.000 2.111


<r2> (average value of r2) Å2
<r2> 5.464
(<r2>)1/2 2.337

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-38.423056
Energy at 298.15K 
HF Energy-38.423056
Nuclear repulsion energy2.780743
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 PBEPBE/6-311G*
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-311G*
B
13.90758

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-38.400288
Energy at 298.15K-38.398937
HF Energy-38.400288
Nuclear repulsion energy2.888007
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 PBEPBE/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 3045 3013 35.81      

Unscaled Zero Point Vibrational Energy (zpe) 1522.5 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 1506.6 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 PBEPBE/6-311G*
B
15.00122

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

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 -0.942

Atom - Atom Distances (Å)
  C1 H2
C11.0994
H21.0994

picture of Methylidyne state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 H 0.271      


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 -0.767 0.767
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.379 0.000 0.000
y 0.000 -7.379 0.000
z 0.000 0.000 -5.364
Traceless
 xyz
x -1.008 0.000 0.000
y 0.000 -1.008 0.000
z 0.000 0.000 2.015
Polar
3z2-r24.031
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 0.887 0.000 0.000
y 0.000 0.887 0.000
z 0.000 0.000 1.449


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