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 ClCOClCO (Oxalyl chloride)

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-1147.153435
Energy at 298.15K-1147.153851
HF Energy-1147.153435
Nuclear repulsion energy324.113836
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/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 Ag 1863 1801 0.00      
2 Ag 1031 997 0.00      
3 Ag 604 584 0.00      
4 Ag 420 406 0.00      
5 Ag 280 271 0.00      
6 Au 386 373 18.67      
7 Au 30 29 0.50      
8 Bg 724 700 0.00      
9 Bu 1896 1833 467.03      
10 Bu 736 712 561.71      
11 Bu 483 467 15.02      
12 Bu 204 197 3.95      

Unscaled Zero Point Vibrational Energy (zpe) 4328.4 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 4184.7 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 B3LYP/6-311G**
ABC
0.16429 0.04896 0.03772

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.180 0.759 0.000
C2 0.180 -0.759 0.000
O3 -1.276 1.191 0.000
O4 1.276 -1.191 0.000
Cl5 1.276 1.777 0.000
Cl6 -1.276 -1.777 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.56021.17792.43371.77732.7631
C21.56022.43371.17792.76311.7773
O31.17792.43373.49092.61912.9682
O42.43371.17793.49092.96822.6191
Cl51.77732.76312.61912.96824.3764
Cl62.76311.77732.96822.61914.3764

picture of Oxalyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 124.865 C1 C2 Cl6 111.601
C2 C1 O3 124.865 C2 C1 Cl5 111.601
O3 C1 Cl5 123.534 O4 C2 Cl6 123.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.177      
2 C 0.177      
3 O -0.176      
4 O -0.176      
5 Cl -0.001      
6 Cl -0.001      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.779 3.117 0.000
y 3.117 -49.493 0.000
z 0.000 0.000 -45.043
Traceless
 xyz
x -2.511 3.117 0.000
y 3.117 -2.082 0.000
z 0.000 0.000 4.593
Polar
3z2-r29.187
x2-y2-0.286
xy3.117
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.602 2.654 0.000
y 2.654 8.117 0.000
z 0.000 0.000 3.127


<r2> (average value of r2) Å2
<r2> 248.897
(<r2>)1/2 15.776