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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-113.751806
Energy at 298.15K-113.751650
HF Energy-113.751806
Nuclear repulsion energy25.918083
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 B1B95/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' 3339 3210 42.21 491.16 0.32 0.48
2 A' 1423 1368 52.59 11.34 0.57 0.73
3 A' 1133 1089 83.33 35.98 0.45 0.62

Unscaled Zero Point Vibrational Energy (zpe) 2947.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 2833.2 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 B1B95/cc-pVDZ
ABC
22.83887 1.40183 1.32076

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.790 0.000
O2 0.060 -0.483 0.000
H3 -0.846 -0.874 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27301.8946
O21.27300.9869
H31.89460.9869

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.137      
2 O -0.042      
3 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.621 -2.205 0.000 2.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.784 1.468 0.000
y 1.468 -13.031 0.000
z 0.000 0.000 -10.946
Traceless
 xyz
x 1.205 1.468 0.000
y 1.468 -2.166 0.000
z 0.000 0.000 0.961
Polar
3z2-r21.922
x2-y22.247
xy1.468
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.782 0.423 0.000
y 0.423 2.578 0.000
z 0.000 0.000 1.404


<r2> (average value of r2) Å2
<r2> 14.378
(<r2>)1/2 3.792