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: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-1146.988597
Energy at 298.15K 
HF Energy-1146.988597
Nuclear repulsion energy319.897690
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 BLYP/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 Ag 1761 1752 0.00      
2 Ag 966 961 0.00      
3 Ag 572 569 0.00      
4 Ag 394 392 0.00      
5 Ag 268 266 0.00      
6 Au 364 362 14.50      
7 Au 11i 11i 0.70      
8 Bg 676 672 0.00      
9 Bu 1798 1788 428.66      
10 Bu 704 700 509.87      
11 Bu 454 452 16.38      
12 Bu 195 194 3.36      

Unscaled Zero Point Vibrational Energy (zpe) 4070.4 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 4048.8 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 BLYP/6-31+G**
ABC
0.15958 0.04783 0.03680

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.180 0.766 0.000
C2 0.180 -0.766 0.000
O3 -1.295 1.208 0.000
O4 1.295 -1.208 0.000
Cl5 1.295 1.796 0.000
Cl6 -1.295 -1.796 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.57261.20032.46371.79912.7937
C21.57262.46371.20032.79371.7991
O31.20032.46373.54232.65673.0035
O42.46371.20033.54233.00352.6567
Cl51.79912.79372.65673.00354.4283
Cl62.79371.79913.00352.65674.4283

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 124.823 C1 C2 Cl6 111.728
C2 C1 O3 124.823 C2 C1 Cl5 111.728
O3 C1 Cl5 123.448 O4 C2 Cl6 123.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.131      
2 C 0.131      
3 O -0.240      
4 O -0.240      
5 Cl 0.110      
6 Cl 0.110      


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 -50.218 3.736 0.000
y 3.736 -49.286 0.000
z 0.000 0.000 -45.114
Traceless
 xyz
x -3.018 3.736 0.000
y 3.736 -1.620 0.000
z 0.000 0.000 4.638
Polar
3z2-r29.275
x2-y2-0.932
xy3.736
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.126 2.543 0.000
y 2.543 9.936 0.000
z 0.000 0.000 4.835


<r2> (average value of r2) Å2
<r2> 254.406
(<r2>)1/2 15.950