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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-113.125935
Energy at 298.15K-113.125729
HF Energy-113.125935
Nuclear repulsion energy24.967846
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 BLYP/3-21G*
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' 2190 2176 557.33 739.82 0.33 0.50
2 A' 1196 1188 45.50 27.88 0.57 0.73
3 A' 934 928 69.76 235.03 0.38 0.55

Unscaled Zero Point Vibrational Energy (zpe) 2160.1 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 2146.0 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 BLYP/3-21G*
ABC
22.07366 1.30572 1.23280

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.818 0.000
O2 0.062 -0.488 0.000
H3 -0.869 -1.006 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.30642.0483
O21.30641.0653
H32.04831.0653

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.118      
2 O -0.436      
3 H 0.319      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.637 -1.995 0.000 2.580
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.850 1.499 0.000
y 1.499 -12.950 0.000
z 0.000 0.000 -10.915
Traceless
 xyz
x 1.083 1.499 0.000
y 1.499 -2.068 0.000
z 0.000 0.000 0.986
Polar
3z2-r21.971
x2-y22.101
xy1.499
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.771 0.894 0.000
y 0.894 3.045 0.000
z 0.000 0.000 1.112


<r2> (average value of r2) Å2
<r2> 14.972
(<r2>)1/2 3.869