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All results from a given calculation for ClCOClCO (Oxalyl chloride)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-1147.017026
Energy at 298.15K-1147.017542
HF Energy-1147.017026
Nuclear repulsion energy327.544749
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 mPW1PW91/6-31G(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 Ag 1900 1814 0.00      
2 Ag 1087 1038 0.00      
3 Ag 630 601 0.00      
4 Ag 436 416 0.00      
5 Ag 290 277 0.00      
6 Au 394 377 17.88      
7 Au 33 32 0.60      
8 Bg 747 713 0.00      
9 Bu 1925 1838 415.70      
10 Bu 782 746 523.86      
11 Bu 500 478 6.56      
12 Bu 206 197 3.99      

Unscaled Zero Point Vibrational Energy (zpe) 4464.6 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 4262.4 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 mPW1PW91/6-31G(2df,p)
ABC
0.16542 0.05050 0.03869

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.174 0.754 0.000
C2 0.174 -0.754 0.000
O3 -1.269 1.188 0.000
O4 1.269 -1.188 0.000
Cl5 1.269 1.741 0.000
Cl6 -1.269 -1.741 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54741.17832.41931.74862.7249
C21.54742.41931.17832.72491.7486
O31.17832.41933.47682.59842.9288
O42.41931.17833.47682.92882.5984
Cl51.74862.72492.59842.92884.3094
Cl62.72491.74862.92882.59844.3094

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 124.591 C1 C2 Cl6 111.382
C2 C1 O3 124.591 C2 C1 Cl5 111.382
O3 C1 Cl5 124.027 O4 C2 Cl6 124.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.261      
2 C 0.261      
3 O -0.199      
4 O -0.199      
5 Cl -0.062      
6 Cl -0.062      


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 -48.220 3.458 0.000
y 3.458 -47.388 0.000
z 0.000 0.000 -43.727
Traceless
 xyz
x -2.663 3.458 0.000
y 3.458 -1.414 0.000
z 0.000 0.000 4.077
Polar
3z2-r28.154
x2-y2-0.832
xy3.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.388 2.078 0.000
y 2.078 8.477 0.000
z 0.000 0.000 4.293


<r2> (average value of r2) Å2
<r2> 242.397
(<r2>)1/2 15.569