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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-113.706041
Energy at 298.15K-113.705871
HF Energy-113.706041
Nuclear repulsion energy25.822939
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/Def2TZVPP
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' 2919 2883 271.10 1648.73 0.34 0.51
2 A' 1338 1322 8.05 87.87 0.43 0.60
3 A' 1059 1047 53.00 248.58 0.39 0.56

Unscaled Zero Point Vibrational Energy (zpe) 2657.8 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 2625.7 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/Def2TZVPP
ABC
22.94506 1.39416 1.31431

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.792 0.000
O2 0.060 -0.480 0.000
H3 -0.847 -0.913 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27211.9313
O21.27211.0052
H31.93131.0052

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 O -0.069      
3 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.489 -2.268 0.000 2.713
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.413 1.464 0.000
y 1.464 -13.452 0.000
z 0.000 0.000 -11.468
Traceless
 xyz
x 1.047 1.464 0.000
y 1.464 -2.011 0.000
z 0.000 0.000 0.964
Polar
3z2-r21.928
x2-y22.039
xy1.464
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.641 0.673 0.000
y 0.673 3.632 0.000
z 0.000 0.000 1.930


<r2> (average value of r2) Å2
<r2> 14.773
(<r2>)1/2 3.844