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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-113.676817
Energy at 298.15K-113.676646
HF Energy-113.676817
Nuclear repulsion energy25.658271
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 PBEPBEultrafine/aug-cc-pVDZ
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' 2926 2908 280.10 2255.72 0.35 0.52
2 A' 1322 1314 8.33 143.07 0.43 0.60
3 A' 1052 1046 50.59 354.74 0.38 0.55

Unscaled Zero Point Vibrational Energy (zpe) 2649.9 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 2633.7 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
22.53711 1.37605 1.29687

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.061 0.797 0.000
O2 0.061 -0.484 0.000
H3 -0.853 -0.908 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.28181.9350
O21.28181.0078
H31.93501.0078

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.050      
2 O -0.098      
3 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.481 -2.194 0.000 2.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.627 1.460 0.000
y 1.460 -13.635 0.000
z 0.000 0.000 -11.648
Traceless
 xyz
x 1.015 1.460 0.000
y 1.460 -1.997 0.000
z 0.000 0.000 0.982
Polar
3z2-r21.965
x2-y22.008
xy1.460
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.136 0.711 0.000
y 0.711 4.087 0.000
z 0.000 0.000 2.262


<r2> (average value of r2) Å2
<r2> 14.981
(<r2>)1/2 3.871