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All results from a given calculation for CHBrCHBr (Ethene, 1,2-dibromo-, (Z)-)

using model chemistry: B97D3/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B97D3/aug-cc-pVQZ
 hartrees
Energy at 0K-5228.420129
Energy at 298.15K-5228.427670
HF Energy-5228.420129
Nuclear repulsion energy425.315754
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 B97D3/aug-cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3160 3160 0.49      
2 A1 1579 1579 37.74      
3 A1 1152 1152 1.50      
4 A1 566 566 8.13      
5 A1 105 105 0.03      
6 A2 856 856 0.00      
7 A2 373 373 0.00      
8 B1 658 658 56.20      
9 B2 3138 3138 13.75      
10 B2 1253 1253 48.40      
11 B2 738 738 68.10      
12 B2 467 467 4.00      

Unscaled Zero Point Vibrational Energy (zpe) 7022.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7022.8 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 B97D3/aug-cc-pVQZ
ABC
0.28793 0.03298 0.02959

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 1.248
C2 0.000 -0.665 1.248
Br3 0.000 1.776 -0.276
Br4 0.000 -1.776 -0.276
H5 0.000 1.217 2.180
H6 0.000 -1.217 2.180

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32951.88622.87731.08382.1003
C21.32952.87731.88622.10031.0838
Br31.88622.87733.55122.51943.8720
Br42.87731.88623.55123.87202.5194
H51.08382.10032.51943.87202.4345
H62.10031.08383.87202.51942.4345

picture of Ethene, 1,2-dibromo-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Br4 126.083 C1 C2 H6 120.650
C2 C1 Br3 126.083 C2 C1 H5 120.650
Br3 C1 H5 113.267 Br4 C2 H6 113.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.474      
2 C -0.474      
3 Br 0.110      
4 Br 0.110      
5 H 0.364      
6 H 0.364      


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 1.593 1.593
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.099 0.000 0.000
y 0.000 -48.654 0.000
z 0.000 0.000 -42.756
Traceless
 xyz
x -4.394 0.000 0.000
y 0.000 -2.227 0.000
z 0.000 0.000 6.621
Polar
3z2-r213.242
x2-y2-1.445
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.582 0.000 0.000
y 0.000 14.110 0.000
z 0.000 0.000 10.203


<r2> (average value of r2) Å2
<r2> 291.968
(<r2>)1/2 17.087