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All results from a given calculation for CH (Methylidyne)

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-38.418288
Energy at 298.15K 
HF Energy-38.418288
Nuclear repulsion energy2.748929
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2700 2684 182.10 137.41 0.49 0.66

Unscaled Zero Point Vibrational Energy (zpe) 1349.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 1342.1 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/cc-pVDZ
B
13.59118

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.165
H2 0.000 0.000 -0.990

Atom - Atom Distances (Å)
  C1 H2
C11.1550
H21.1550

picture of Methylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 H 0.077      


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 -1.345 1.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.469 0.000 0.000
y 0.000 -5.540 0.000
z 0.000 0.000 -7.535
Traceless
 xyz
x -0.932 0.000 0.000
y 0.000 1.962 0.000
z 0.000 0.000 -1.030
Polar
3z2-r2-2.061
x2-y2-1.929
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.150 0.000 0.000
y 0.000 1.128 0.000
z 0.000 0.000 2.093


<r2> (average value of r2) Å2
<r2> 5.421
(<r2>)1/2 2.328

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-38.418288
Energy at 298.15K 
HF Energy-38.418288
Nuclear repulsion energy2.748929
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/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at PBEPBE/cc-pVDZ
B
13.59118

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 3 (4Σ-)

Jump to S1C1 S2C1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-38.396196
Energy at 298.15K-38.394844
HF Energy-38.396196
Nuclear repulsion energy2.860215
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 3043 3025 48.67      

Unscaled Zero Point Vibrational Energy (zpe) 1521.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 1512.4 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 PBEPBE/cc-pVDZ
B
14.71389

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.159
H2 0.000 0.000 -0.951

Atom - Atom Distances (Å)
  C1 H2
C11.1101
H21.1101

picture of Methylidyne state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.141      
2 H 0.141      


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 -0.721 0.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.240 0.000 0.000
y 0.000 -7.240 0.000
z 0.000 0.000 -5.329
Traceless
 xyz
x -0.956 0.000 0.000
y 0.000 -0.956 0.000
z 0.000 0.000 1.911
Polar
3z2-r23.822
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 0.844 0.000 0.000
y 0.000 0.844 0.000
z 0.000 0.000 1.497


<r2> (average value of r2) Å2
<r2> 5.180
(<r2>)1/2 2.276