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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-113.710670
Energy at 298.15K-113.710516
HF Energy-113.710670
Nuclear repulsion energy26.031932
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 HSEh1PBE/cc-pVTZ
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' 3373 3242 41.40 569.64 0.32 0.48
2 A' 1422 1367 47.70 13.68 0.56 0.72
3 A' 1143 1098 91.56 44.08 0.41 0.58

Unscaled Zero Point Vibrational Energy (zpe) 2968.7 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 2853.2 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 HSEh1PBE/cc-pVTZ
ABC
23.40514 1.41194 1.33161

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.787 0.000
O2 0.060 -0.480 0.000
H3 -0.836 -0.882 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.26731.8940
O21.26730.9818
H31.89400.9818

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 O -0.067      
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
  -1.577 -2.264 0.000 2.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.080 1.539 0.000
y 1.539 -13.287 0.000
z 0.000 0.000 -11.247
Traceless
 xyz
x 1.187 1.539 0.000
y 1.539 -2.124 0.000
z 0.000 0.000 0.937
Polar
3z2-r21.874
x2-y22.208
xy1.539
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.214 0.398 0.000
y 0.398 2.923 0.000
z 0.000 0.000 1.783


<r2> (average value of r2) Å2
<r2> 14.502
(<r2>)1/2 3.808