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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: B2PLYP/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 B2PLYP/TZVP
 hartrees
Energy at 0K-113.729945
Energy at 298.15K-113.729786
HF Energy-113.631674
Nuclear repulsion energy25.896975
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 B2PLYP/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' 3386 3231 25.75 459.68 0.33 0.49
2 A' 1390 1326 63.58 9.85 0.66 0.80
3 A' 1120 1069 91.81 39.01 0.48 0.65

Unscaled Zero Point Vibrational Energy (zpe) 2947.4 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 2813.0 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 B2PLYP/TZVP
ABC
23.30638 1.39567 1.31681

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

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 -0.838 -0.886 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27481.9025
O21.27480.9839
H31.90250.9839

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.101      
2 O -0.201      
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
  -1.730 -2.213 0.000 2.809
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.271 1.694 -0.000
y 1.694 -13.637 -0.006
z -0.000 -0.006 -11.418
Traceless
 xyz
x 1.256 1.694 -0.000
y 1.694 -2.293 -0.006
z -0.000 -0.006 1.037
Polar
3z2-r22.074
x2-y22.366
xy1.694
xz-0.000
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.224 0.389 0.000
y 0.389 2.999 0.000
z 0.000 0.000 1.696


<r2> (average value of r2) Å2
<r2> 14.727
(<r2>)1/2 3.838