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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: wB97X-D/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 wB97X-D/CEP-31G*
 hartrees
Energy at 0K-22.084039
Energy at 298.15K-22.083882
HF Energy-22.084039
Nuclear repulsion energy14.141364
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/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' 3539 3539 24.25 263.23 0.31 0.48
2 A' 1409 1409 101.70 4.71 0.75 0.85
3 A' 1144 1144 102.45 26.18 0.49 0.66

Unscaled Zero Point Vibrational Energy (zpe) 3045.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3045.8 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/CEP-31G*
ABC
22.70783 1.35858 1.28189

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.061 0.802 0.000
O2 0.061 -0.492 0.000
H3 -0.847 -0.876 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.29471.9077
O21.29470.9853
H31.90770.9853

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/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 O -0.200      
3 H 0.416      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.810 -2.218 0.000 2.862
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.897 1.717 0.000
y 1.717 -13.219 0.000
z 0.000 0.000 -11.168
Traceless
 xyz
x 1.296 1.717 0.000
y 1.717 -2.187 0.000
z 0.000 0.000 0.891
Polar
3z2-r21.781
x2-y22.322
xy1.717
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.903 0.346 0.000
y 0.346 2.601 0.000
z 0.000 0.000 1.535


<r2> (average value of r2) Å2
<r2> 12.896
(<r2>)1/2 3.591