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All results from a given calculation for CH (Methylidyne)

using model chemistry: BLYP/6-31G(2df,p)

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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-38.464589
Energy at 298.15K 
HF Energy-38.464589
Nuclear repulsion energy2.779671
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 BLYP/6-31G(2df,p)
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 2708 2693 161.58 105.67 0.60 0.75

Unscaled Zero Point Vibrational Energy (zpe) 1353.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 1346.4 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 BLYP/6-31G(2df,p)
B
13.89687

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

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
C11.1422
H21.1422

picture of Methylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.130      
2 H 0.130      


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 -1.266 1.266
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.511 0.000 0.000
y 0.000 -7.314 0.000
z 0.000 0.000 -7.349
Traceless
 xyz
x 1.820 0.000 0.000
y 0.000 -0.884 0.000
z 0.000 0.000 -0.936
Polar
3z2-r2-1.872
x2-y21.802
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.280 0.000 0.000
y 0.000 1.184 0.000
z 0.000 0.000 1.962


<r2> (average value of r2) Å2
<r2> 5.318
(<r2>)1/2 2.306

State 2 (2Π3/2)

Jump to S1C1 S3C1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-38.464589
Energy at 298.15K 
HF Energy-38.464589
Nuclear repulsion energy2.779671
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 BLYP/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at BLYP/6-31G(2df,p)
B
13.89687

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 3 (4Σ-)

Jump to S1C1 S2C1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-38.427030
Energy at 298.15K-38.425679
HF Energy-38.427030
Nuclear repulsion energy2.875279
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 BLYP/6-31G(2df,p)
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 2977 2961 43.00      

Unscaled Zero Point Vibrational Energy (zpe) 1488.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 1480.3 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 BLYP/6-31G(2df,p)
B
14.86928

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.158
H2 0.000 0.000 -0.947

Atom - Atom Distances (Å)
  C1 H2
C11.1043
H21.1043

picture of Methylidyne state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.210      
2 H 0.210      


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 -0.714 0.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.059 0.000 0.000
y 0.000 -7.059 0.000
z 0.000 0.000 -5.184
Traceless
 xyz
x -0.938 0.000 0.000
y 0.000 -0.938 0.000
z 0.000 0.000 1.875
Polar
3z2-r23.751
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 0.947 0.000 0.000
y 0.000 0.947 0.000
z 0.000 0.000 1.567


<r2> (average value of r2) Å2
<r2> 5.064
(<r2>)1/2 2.250