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/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1133.963051
Energy at 298.15K-1133.962966
HF Energy-1133.963051
Nuclear repulsion energy312.310491
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/STO-3G
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 1869 1668 0.00      
2 Ag 1034 923 0.00      
3 Ag 611 545 0.00      
4 Ag 403 360 0.00      
5 Ag 256 229 0.00      
6 Au 340 304 11.74      
7 Au 39 35 0.63      
8 Bg 641 572 0.00      
9 Bu 1884 1681 121.94      
10 Bu 772 689 353.73      
11 Bu 460 410 10.50      
12 Bu 164 147 2.68      

Unscaled Zero Point Vibrational Energy (zpe) 4236.4 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 3780.6 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/STO-3G
ABC
0.14874 0.04634 0.03533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.202 0.772 0.000
C2 0.202 -0.772 0.000
O3 -1.343 1.236 0.000
O4 1.343 -1.236 0.000
Cl5 1.343 1.810 0.000
Cl6 -1.343 -1.810 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.59581.23232.53401.86112.8228
C21.59582.53401.23232.82281.8611
O31.23232.53403.65142.74693.0461
O42.53401.23233.65143.04612.7469
Cl51.86112.82282.74693.04614.5074
Cl62.82281.86113.04612.74694.5074

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 126.789 C1 C2 Cl6 109.240
C2 C1 O3 126.789 C2 C1 Cl5 109.240
O3 C1 Cl5 123.971 O4 C2 Cl6 123.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.202      
2 C 0.202      
3 O -0.085      
4 O -0.085      
5 Cl -0.117      
6 Cl -0.117      


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 -47.004 -1.984 0.000
y -1.984 -47.276 0.000
z 0.000 0.000 -40.784
Traceless
 xyz
x -2.974 -1.984 0.000
y -1.984 -3.382 0.000
z 0.000 0.000 6.356
Polar
3z2-r212.712
x2-y20.272
xy-1.984
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.027 1.945 0.000
y 1.945 4.805 0.000
z 0.000 0.000 0.857


<r2> (average value of r2) Å2
<r2> 261.783
(<r2>)1/2 16.180