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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-113.703337
Energy at 298.15K-113.703166
HF Energy-113.703337
Nuclear repulsion energy25.805019
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-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' 2905 2873 321.58 2541.34 0.35 0.52
2 A' 1332 1317 6.83 186.54 0.42 0.59
3 A' 1052 1040 53.20 416.67 0.37 0.54

Unscaled Zero Point Vibrational Energy (zpe) 2644.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 2614.9 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-pVTZ
ABC
22.94738 1.39206 1.31244

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.793 0.000
O2 0.060 -0.480 0.000
H3 -0.847 -0.915 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27291.9335
O21.27291.0060
H31.93351.0060

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-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.132      
2 O -0.072      
3 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.457 -2.236 0.000 2.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.617 1.448 0.000
y 1.448 -13.596 0.000
z 0.000 0.000 -11.610
Traceless
 xyz
x 0.986 1.448 0.000
y 1.448 -1.982 0.000
z 0.000 0.000 0.997
Polar
3z2-r21.993
x2-y21.979
xy1.448
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.260 0.750 0.000
y 0.750 4.188 0.000
z 0.000 0.000 2.349


<r2> (average value of r2) Å2
<r2> 14.886
(<r2>)1/2 3.858