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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-113.734807
Energy at 298.15K-113.734651
HF Energy-113.734807
Nuclear repulsion energy25.866534
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 B1B95/6-31G*
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' 3281 3114 45.87 499.66 0.33 0.49
2 A' 1421 1349 46.18 11.89 0.61 0.76
3 A' 1143 1085 90.25 44.96 0.44 0.61

Unscaled Zero Point Vibrational Energy (zpe) 2922.5 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 2774.3 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 B1B95/6-31G*
ABC
23.22716 1.39363 1.31475

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.792 0.000
O2 0.060 -0.483 0.000
H3 -0.840 -0.893 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27491.9101
O21.27490.9888
H31.91010.9888

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.000      
2 O -0.426      
3 H 0.426      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.686 -2.107 0.000 2.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.605 1.578 0.000
y 1.578 -12.815 0.000
z 0.000 0.000 -10.873
Traceless
 xyz
x 1.239 1.578 0.000
y 1.578 -2.076 0.000
z 0.000 0.000 0.836
Polar
3z2-r21.673
x2-y22.210
xy1.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.730 0.447 0.000
y 0.447 2.528 0.000
z 0.000 0.000 1.320


<r2> (average value of r2) Å2
<r2> 14.322
(<r2>)1/2 3.784