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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-113.653387
Energy at 298.15K-113.653214
HF Energy-113.653387
Nuclear repulsion energy25.634078
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 PBEPBE/6-31G**
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' 2871 2832 274.70 1034.74 0.33 0.49
2 A' 1337 1319 9.34 44.01 0.46 0.63
3 A' 1050 1036 52.08 164.87 0.39 0.57

Unscaled Zero Point Vibrational Energy (zpe) 2629.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 2593.2 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 PBEPBE/6-31G**
ABC
22.60174 1.37341 1.29474

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.061 0.798 0.000
O2 0.061 -0.484 0.000
H3 -0.853 -0.916 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.28211.9426
O21.28211.0108
H31.94261.0108

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.019      
2 O -0.293      
3 H 0.312      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.550 -2.132 0.000 2.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.758 1.431 0.000
y 1.431 -12.855 0.000
z 0.000 0.000 -10.929
Traceless
 xyz
x 1.135 1.431 0.000
y 1.431 -2.011 0.000
z 0.000 0.000 0.877
Polar
3z2-r21.754
x2-y22.097
xy1.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.923 0.671 0.000
y 0.671 2.933 0.000
z 0.000 0.000 1.344


<r2> (average value of r2) Å2
<r2> 14.506
(<r2>)1/2 3.809