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All results from a given calculation for CH (Methylidyne)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-38.421274
Energy at 298.15K 
HF Energy-38.421274
Nuclear repulsion energy2.805177
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 PBE1PBE/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 2838 2697 180.51 113.38 0.51 0.68

Unscaled Zero Point Vibrational Energy (zpe) 1418.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 1348.2 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 PBE1PBE/6-31G*
B
14.15306

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 -0.970

Atom - Atom Distances (Å)
  C1 H2
C11.1319
H21.1319

picture of Methylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.134      
2 H 0.134      


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 -1.428 1.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.428 0.000 0.000
y 0.000 -7.312 0.000
z 0.000 0.000 -7.466
Traceless
 xyz
x 1.961 0.000 0.000
y 0.000 -0.865 0.000
z 0.000 0.000 -1.096
Polar
3z2-r2-2.192
x2-y21.884
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.059 0.000 0.000
y 0.000 1.046 0.000
z 0.000 0.000 1.898


<r2> (average value of r2) Å2
<r2> 5.305
(<r2>)1/2 2.303

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-38.421274
Energy at 298.15K 
HF Energy-38.421274
Nuclear repulsion energy2.805177
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 PBE1PBE/6-31G*
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/6-31G*
B
14.15306

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-38.402633
Energy at 298.15K-38.401282
HF Energy-38.402633
Nuclear repulsion energy2.914192
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 PBE1PBE/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 3188 3030 32.80      

Unscaled Zero Point Vibrational Energy (zpe) 1594.1 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 1514.8 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 PBE1PBE/6-31G*
B
15.27447

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 -0.934

Atom - Atom Distances (Å)
  C1 H2
C11.0895
H21.0895

picture of Methylidyne state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/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 -0.709 0.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.058 0.000 0.000
y 0.000 -7.058 0.000
z 0.000 0.000 -5.214
Traceless
 xyz
x -0.922 0.000 0.000
y 0.000 -0.922 0.000
z 0.000 0.000 1.844
Polar
3z2-r23.687
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 0.657 0.000 0.000
y 0.000 0.657 0.000
z 0.000 0.000 1.327


<r2> (average value of r2) Å2
<r2> 5.042
(<r2>)1/2 2.245