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 ClCO (carbonyl monochloride)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-573.414047
Energy at 298.15K-573.413428
HF Energy-573.414047
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 1898 1861 318.10      
2 A' 579 567 83.11      
3 A' 323 317 30.06      

Unscaled Zero Point Vibrational Energy (zpe) 1399.8 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 1372.4 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 B97D3/6-31G*
ABC
5.02921 0.18667 0.17999

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.508 -0.920 0.000
C2 0.000 0.856 0.000
O3 1.080 1.314 0.000

Atom - Atom Distances (Å)
  Cl1 C2 O3
Cl11.84732.7407
C21.84731.1729
O32.74071.1729

picture of carbonyl monochloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 O3 129.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.002      
2 C 0.196      
3 O -0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.300 0.087 0.000 0.312
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.972 -0.794 0.000
y -0.794 -22.793 0.000
z 0.000 0.000 -22.238
Traceless
 xyz
x -1.457 -0.794 0.000
y -0.794 0.312 0.000
z 0.000 0.000 1.145
Polar
3z2-r22.290
x2-y2-1.179
xy-0.794
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.046 1.369 0.000
y 1.369 5.099 0.000
z 0.000 0.000 1.838


<r2> (average value of r2) Å2
<r2> 60.677
(<r2>)1/2 7.790

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-573.400251
Energy at 298.15K 
HF Energy-573.400251
Nuclear repulsion energy 
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 B97D3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2132 2090 111.77      
2 Σ 167 164 0.72      
3 Π 151i 148i 0.99      
3 Π 151i 148i 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 998.8 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 979.2 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 B97D3/6-31G*
B
0.10424

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.416
C2 0.000 0.000 -1.065
O3 0.000 0.000 -2.209

Atom - Atom Distances (Å)
  Cl1 C2 O3
Cl12.48073.6247
C22.48071.1440
O33.62471.1440

picture of carbonyl monochloride state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.134      
2 C 0.301      
3 O -0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.783 1.783
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.756 0.000 0.000
y 0.000 -22.756 0.000
z 0.000 0.000 -22.883
Traceless
 xyz
x 0.064 0.000 0.000
y 0.000 0.064 0.000
z 0.000 0.000 -0.128
Polar
3z2-r2-0.255
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.930 0.000 0.000
y 0.000 1.930 0.000
z 0.000 0.000 6.989


<r2> (average value of r2) Å2
<r2> 94.152
(<r2>)1/2 9.703