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: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-573.856184
Energy at 298.15K-573.857266
HF Energy-573.856184
Nuclear repulsion energy86.940126
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 PBEPBE/6-311G**
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' 2984 2957 28.53      
2 A' 1820 1804 357.62      
3 A' 1277 1265 28.28      
4 A' 695 689 205.34      
5 A' 431 427 18.09      
6 A" 905 897 4.04      

Unscaled Zero Point Vibrational Energy (zpe) 4056.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 4019.1 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 PBEPBE/6-311G**
ABC
2.57221 0.19720 0.18316

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.816 0.000
O2 1.126 1.189 0.000
Cl3 -0.476 -0.932 0.000
H4 -0.916 1.433 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.18661.81171.1050
O21.18662.65862.0573
Cl31.81172.65862.4059
H41.10502.05732.4059

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 123.577 O2 C1 H4 127.695
Cl3 C1 H4 108.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.087      
2 O -0.169      
3 Cl -0.082      
4 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.512 1.031 0.000 1.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.330 -2.501 0.000
y -2.501 -23.502 0.000
z 0.000 0.000 -23.628
Traceless
 xyz
x -1.765 -2.501 0.000
y -2.501 0.977 0.000
z 0.000 0.000 0.787
Polar
3z2-r21.575
x2-y2-1.828
xy-2.501
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.513 1.184 0.000
y 1.184 5.448 0.000
z 0.000 0.000 1.790


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