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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: mPW1PW91/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 mPW1PW91/TZVP
 hartrees
Energy at 0K-113.794463
Energy at 298.15K-113.794306
HF Energy-113.794463
Nuclear repulsion energy26.030842
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 mPW1PW91/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' 3368 3213 41.98 623.37 0.33 0.50
2 A' 1420 1355 61.49 19.10 0.51 0.68
3 A' 1125 1073 82.43 55.55 0.46 0.63

Unscaled Zero Point Vibrational Energy (zpe) 2956.4 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 2820.4 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 mPW1PW91/TZVP
ABC
23.66700 1.41069 1.33133

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.059 0.787 0.000
O2 0.059 -0.479 0.000
H3 -0.832 -0.892 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.26661.9016
O21.26660.9828
H31.90160.9828

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110      
2 O -0.192      
3 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.708 -2.245 0.000 2.821
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.163 1.679 0.000
y 1.679 -13.492 0.000
z 0.000 0.000 -11.278
Traceless
 xyz
x 1.222 1.679 0.000
y 1.679 -2.271 0.000
z 0.000 0.000 1.049
Polar
3z2-r22.099
x2-y22.329
xy1.679
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.230 0.424 0.000
y 0.424 3.001 0.000
z 0.000 0.000 1.678


<r2> (average value of r2) Å2
<r2> 14.576
(<r2>)1/2 3.818