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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: wB97X-D/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at wB97X-D/SDD
 hartrees
Energy at 0K-113.725114
Energy at 298.15K-113.724944
HF Energy-113.725114
Nuclear repulsion energy25.152455
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 wB97X-D/SDD
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' 3487 3487 8.07 293.90 0.32 0.49
2 A' 1301 1301 98.73 5.60 0.68 0.81
3 A' 1087 1087 168.17 14.71 0.63 0.77

Unscaled Zero Point Vibrational Energy (zpe) 2937.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2937.2 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 wB97X-D/SDD
ABC
25.93331 1.29138 1.23013

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 0.823 0.000
O2 0.057 -0.494 0.000
H3 -0.799 -0.985 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.31792.0006
O21.31790.9864
H32.00060.9864

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 O -0.398      
3 H 0.402      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.996 -2.192 0.000 2.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.164 2.018 0.000
y 2.018 -13.239 0.000
z 0.000 0.000 -11.170
Traceless
 xyz
x 1.040 2.018 0.000
y 2.018 -2.072 0.000
z 0.000 0.000 1.032
Polar
3z2-r22.063
x2-y22.075
xy2.018
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.750 0.386 0.000
y 0.386 2.733 0.000
z 0.000 0.000 1.373


<r2> (average value of r2) Å2
<r2> 15.084
(<r2>)1/2 3.884