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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVQZ
 hartrees
Energy at 0K-5225.919375
Energy at 298.15K-5225.927048
HF Energy-5225.919375
Nuclear repulsion energy 
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 wB97X-D/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 3246 3246 0.04      
2 A1 1670 1670 30.49      
3 A1 1204 1204 1.67      
4 A1 605 605 7.23      
5 A1 111 111 0.05      
6 A2 934 934 0.00      
7 A2 393 393 0.00      
8 B1 695 695 58.46      
9 B2 3224 3224 17.08      
10 B2 1309 1309 45.52      
11 B2 779 779 60.08      
12 B2 486 486 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 7328.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7328.8 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 wB97X-D/cc-pVQZ
ABC
0.29105 0.03367 0.03018

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.660 1.241
C2 0.000 -0.660 1.241
Br3 0.000 1.757 -0.275
Br4 0.000 -1.757 -0.275
H5 0.000 1.203 2.173
H6 0.000 -1.203 2.173

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.31931.87122.85271.07922.0831
C21.31932.85271.87122.08311.0792
Br31.87122.85273.51432.50983.8413
Br42.85271.87123.51433.84132.5098
H51.07922.08312.50983.84132.4063
H62.08311.07923.84132.50982.4063

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 125.911 C1 C2 H6 120.238
C2 C1 Br3 125.911 C2 C1 H5 120.238
Br3 C1 H5 113.851 Br4 C2 H6 113.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 C -0.117      
3 Br 0.010      
4 Br 0.010      
5 H 0.107      
6 H 0.107      


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 1.702 1.702
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.196 0.000 0.000
y 0.000 -48.601 0.000
z 0.000 0.000 -42.503
Traceless
 xyz
x -4.644 0.000 0.000
y 0.000 -2.251 0.000
z 0.000 0.000 6.896
Polar
3z2-r213.791
x2-y2-1.595
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.447 0.000 0.000
y 0.000 12.884 0.000
z 0.000 0.000 9.295


<r2> (average value of r2) Å2
<r2> 286.872
(<r2>)1/2 16.937