return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for COHCl (Formyl chloride)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-567.570299
Energy at 298.15K-567.571315
HF Energy-567.570299
Nuclear repulsion energy84.336523
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 B3LYP/STO-3G
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' 3274 2922 4.06      
2 A' 1881 1679 117.34      
3 A' 1354 1209 26.63      
4 A' 768 686 114.22      
5 A' 453 404 5.94      
6 A" 873 779 2.77      

Unscaled Zero Point Vibrational Energy (zpe) 4301.9 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 3839.0 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 B3LYP/STO-3G
ABC
2.42183 0.18565 0.17243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.839 0.000
O2 1.171 1.221 0.000
Cl3 -0.496 -0.957 0.000
H4 -0.930 1.464 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.23121.86331.1204
O21.23122.74222.1146
Cl31.86332.74222.4595
H41.12042.11462.4595

picture of Formyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 Cl3 123.490 O2 C1 H4 128.055
Cl3 C1 H4 108.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.140      
2 O -0.107      
3 Cl -0.159      
4 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.700 1.814 0.000 1.945
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.775 -2.192 0.000
y -2.192 -21.728 0.000
z 0.000 0.000 -21.253
Traceless
 xyz
x -1.285 -2.192 0.000
y -2.192 0.287 0.000
z 0.000 0.000 0.998
Polar
3z2-r21.997
x2-y2-1.048
xy-2.192
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.704 0.854 0.000
y 0.854 2.906 0.000
z 0.000 0.000 0.454


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000