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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-22.053316
Energy at 298.15K-22.053133
HF Energy-22.053316
Nuclear repulsion energy13.714580
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-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 A' 3330 3225 13.25 404.82 0.33 0.49
2 A' 1234 1195 63.96 8.23 0.75 0.86
3 A' 1032 1000 155.15 32.68 0.53 0.69

Unscaled Zero Point Vibrational Energy (zpe) 2798.4 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 2710.0 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 B3LYP/CEP-31G
ABC
24.96865 1.25546 1.19535

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.058 0.835 0.000
O2 0.058 -0.502 0.000
H3 -0.814 -0.994 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.33722.0259
O21.33721.0008
H32.02591.0008

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.103      
2 O -0.265      
3 H 0.369      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.982 -2.005 0.000 2.819
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.323 2.010 0.000
y 2.010 -13.237 0.000
z 0.000 0.000 -11.313
Traceless
 xyz
x 0.952 2.010 0.000
y 2.010 -1.918 0.000
z 0.000 0.000 0.967
Polar
3z2-r21.934
x2-y21.913
xy2.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.872 0.493 0.000
y 0.493 2.895 0.000
z 0.000 0.000 1.437


<r2> (average value of r2) Å2
<r2> 13.454
(<r2>)1/2 3.668