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: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-574.126042
Energy at 298.15K-574.127197
HF Energy-574.126042
Nuclear repulsion energy88.340212
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 B1B95/6-31+G**
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' 3108 2973 19.75      
2 A' 1887 1805 406.13      
3 A' 1353 1294 31.83      
4 A' 762 729 226.24      
5 A' 470 449 9.57      
6 A" 960 918 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 4269.0 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 4083.7 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 B1B95/6-31+G**
ABC
2.61609 0.20490 0.19002

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.792 0.000
O2 1.127 1.154 0.000
Cl3 -0.478 -0.907 0.000
H4 -0.886 1.436 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.18381.76531.0958
O21.18382.61272.0331
Cl31.76532.61272.3787
H41.09582.03312.3787

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 123.534 O2 C1 H4 126.180
Cl3 C1 H4 110.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.021      
2 O -0.240      
3 Cl 0.026      
4 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.866 0.702 0.000 1.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.685 -2.900 0.000
y -2.900 -23.368 0.000
z 0.000 0.000 -23.373
Traceless
 xyz
x -2.315 -2.900 0.000
y -2.900 1.161 0.000
z 0.000 0.000 1.154
Polar
3z2-r22.308
x2-y2-2.317
xy-2.900
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.083 1.054 0.000
y 1.054 5.308 0.000
z 0.000 0.000 2.369


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