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All results from a given calculation for CH (Methylidyne)

using model chemistry: B2PLYP/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
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-38.440186
Energy at 298.15K 
HF Energy-38.413292
Nuclear repulsion energy2.794279
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 B2PLYP/cc-pVDZ
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 2857 2736 169.58 154.57 0.58 0.73

Unscaled Zero Point Vibrational Energy (zpe) 1428.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 1368.0 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 B2PLYP/cc-pVDZ
B
14.04331

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

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 B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.072      
2 H 0.072      


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 -1.452 1.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.503 0.000 0.000
y 0.000 -7.460 0.000
z 0.000 0.000 -7.570
Traceless
 xyz
x 2.012 0.000 0.000
y 0.000 -0.924 0.000
z 0.000 0.000 -1.088
Polar
3z2-r2-2.176
x2-y21.957
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.045 0.000 0.000
y 0.000 1.147 0.000
z 0.000 0.000 1.964


<r2> (average value of r2) Å2
<r2> 5.381
(<r2>)1/2 2.320