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All results from a given calculation for CH (Methylidyne)

using model chemistry: B3LYP/CEP-121G*

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 B3LYP/CEP-121G*
 hartrees
Energy at 0K-6.039137
Energy at 298.15K 
HF Energy-6.039137
Nuclear repulsion energy1.862752
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 B3LYP/CEP-121G*
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 2782 2696 222.78 0.00 0.34 0.50

Unscaled Zero Point Vibrational Energy (zpe) 1390.7 cm-1
Scaled (by 0.9694) 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 B3LYP/CEP-121G*
B
14.04179

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

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 -0.974

Atom - Atom Distances (Å)
  C1 H2
C11.1363
H21.1363

picture of Methylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.118      
2 H 0.118      


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 -1.525 1.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.566 0.000 0.000
y 0.000 -7.633 0.000
z 0.000 0.000 -7.762
Traceless
 xyz
x 2.131 0.000 0.000
y 0.000 -0.969 0.000
z 0.000 0.000 -1.163
Polar
3z2-r2-2.325
x2-y22.067
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.847 0.000 0.000
y 0.000 1.350 0.000
z 0.000 0.000 2.220


<r2> (average value of r2) Å2
<r2> 5.418
(<r2>)1/2 2.328

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-6.039137
Energy at 298.15K 
HF Energy-6.039137
Nuclear repulsion energy1.862752
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 B3LYP/CEP-121G*
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-121G*
B
14.04179

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 3 (4Σ-)

Jump to S1C1 S2C1
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-6.006181
Energy at 298.15K-6.004830
HF Energy-6.006181
Nuclear repulsion energy1.922085
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 B3LYP/CEP-121G*
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 3023 2931 31.75      

Unscaled Zero Point Vibrational Energy (zpe) 1511.5 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 1465.3 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 B3LYP/CEP-121G*
B
14.95057

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

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 -0.944

Atom - Atom Distances (Å)
  C1 H2
C11.1013
H21.1013

picture of Methylidyne state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.214      
2 H 0.214      


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 -0.771 0.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.426 0.000 0.000
y 0.000 -7.426 0.000
z 0.000 0.000 -5.354
Traceless
 xyz
x -1.036 0.000 0.000
y 0.000 -1.036 0.000
z 0.000 0.000 2.071
Polar
3z2-r24.142
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 0.937 0.000 0.000
y 0.000 0.937 0.000
z 0.000 0.000 1.487


<r2> (average value of r2) Å2
<r2> 5.197
(<r2>)1/2 2.280