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

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-1147.121877
Energy at 298.15K-1147.122353
HF Energy-1147.121877
Nuclear repulsion energy326.395639
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/TZVP
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 1886 1799 0.00      
2 Ag 1072 1022 0.00      
3 Ag 621 593 0.00      
4 Ag 434 414 0.00      
5 Ag 287 274 0.00      
6 Au 391 373 17.89      
7 Au 18 17 0.88      
8 Bg 733 700 0.00      
9 Bu 1916 1828 472.37      
10 Bu 777 741 529.83      
11 Bu 502 479 8.14      
12 Bu 207 198 3.65      

Unscaled Zero Point Vibrational Energy (zpe) 4422.1 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 4218.7 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 mPW1PW91/TZVP
ABC
0.16575 0.04982 0.03831

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.175 0.757 0.000
C2 0.175 -0.757 0.000
O3 -1.269 1.188 0.000
O4 1.269 -1.188 0.000
Cl5 1.269 1.759 0.000
Cl6 -1.269 -1.759 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55341.17632.42201.75712.7433
C21.55342.42201.17632.74331.7571
O31.17632.42203.47662.60132.9466
O42.42201.17633.47662.94662.6013
Cl51.75712.74332.60132.94664.3373
Cl62.74331.75712.94662.60134.3373

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 124.484 C1 C2 Cl6 111.776
C2 C1 O3 124.484 C2 C1 Cl5 111.776
O3 C1 Cl5 123.740 O4 C2 Cl6 123.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.169      
2 C 0.169      
3 O -0.145      
4 O -0.145      
5 Cl -0.025      
6 Cl -0.025      


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 -49.455 3.892 0.000
y 3.892 -48.409 0.000
z 0.000 0.000 -44.280
Traceless
 xyz
x -3.111 3.892 0.000
y 3.892 -1.541 0.000
z 0.000 0.000 4.652
Polar
3z2-r29.304
x2-y2-1.046
xy3.892
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.715 2.060 0.000
y 2.060 8.046 0.000
z 0.000 0.000 4.020


<r2> (average value of r2) Å2
<r2> 245.085
(<r2>)1/2 15.655