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: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-574.131698
Energy at 298.15K-574.132848
HF Energy-574.131698
Nuclear repulsion energy88.476330
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 B1B95/6-31G(2df,p)
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' 3088 2957 23.34      
2 A' 1902 1821 342.51      
3 A' 1342 1285 32.88      
4 A' 754 722 208.25      
5 A' 465 445 8.46      
6 A" 963 923 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 4256.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 4076.7 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 B1B95/6-31G(2df,p)
ABC
2.63369 0.20518 0.19035

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.794 0.000
O2 1.118 1.158 0.000
Cl3 -0.474 -0.909 0.000
H4 -0.897 1.423 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.17621.76811.0957
O21.17622.60952.0329
Cl31.76812.60952.3707
H41.09572.03292.3707

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 123.569 O2 C1 H4 126.933
Cl3 C1 H4 109.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.125      
2 O -0.170      
3 Cl -0.126      
4 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.599 0.762 0.000 1.772
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.795 -2.548 0.000
y -2.548 -22.751 0.000
z 0.000 0.000 -22.898
Traceless
 xyz
x -1.971 -2.548 0.000
y -2.548 1.096 0.000
z 0.000 0.000 0.875
Polar
3z2-r21.750
x2-y2-2.045
xy-2.548
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.777 0.861 0.000
y 0.861 5.064 0.000
z 0.000 0.000 2.388


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