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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: PBE1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBE1PBE/TZVP
 hartrees
Energy at 0K-113.697812
Energy at 298.15K-113.697655
HF Energy-113.697812
Nuclear repulsion energy26.027805
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 PBE1PBE/TZVP
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' 3352 3216 44.96 668.98 0.34 0.50
2 A' 1422 1365 59.16 22.08 0.50 0.66
3 A' 1121 1076 80.53 60.32 0.45 0.62

Unscaled Zero Point Vibrational Energy (zpe) 2947.7 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 2828.6 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 PBE1PBE/TZVP
ABC
23.59932 1.41110 1.33149

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.787 0.000
O2 0.060 -0.479 0.000
H3 -0.834 -0.893 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.26631.9026
O21.26630.9843
H31.90260.9843

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.114      
2 O -0.187      
3 H 0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.709 -2.257 0.000 2.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.206 1.678 0.000
y 1.678 -13.525 0.000
z 0.000 0.000 -11.316
Traceless
 xyz
x 1.215 1.678 0.000
y 1.678 -2.263 0.000
z 0.000 0.000 1.049
Polar
3z2-r22.098
x2-y22.319
xy1.678
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.247 0.434 0.000
y 0.434 3.027 0.000
z 0.000 0.000 1.685


<r2> (average value of r2) Å2
<r2> 14.601
(<r2>)1/2 3.821