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

using model chemistry: wB97X-D/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-5225.819137
Energy at 298.15K-5225.826811
HF Energy-5225.819137
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/Def2TZVPP
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 3253 3107 0.02      
2 A1 1674 1599 31.12      
3 A1 1204 1150 1.73      
4 A1 605 578 7.44      
5 A1 111 106 0.05      
6 A2 938 896 0.00      
7 A2 395 378 0.00      
8 B1 699 668 60.93      
9 B2 3230 3085 16.96      
10 B2 1309 1250 44.12      
11 B2 780 745 60.92      
12 B2 487 465 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 7342.0 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 7013.1 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/Def2TZVPP
ABC
0.29125 0.03360 0.03013

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.660 1.240
C2 0.000 -0.660 1.240
Br3 0.000 1.759 -0.275
Br4 0.000 -1.759 -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
C11.31991.87142.85401.07992.0839
C21.31992.85401.87142.08391.0799
Br31.87142.85403.51772.51043.8429
Br42.85401.87143.51773.84292.5104
H51.07992.08392.51043.84292.4065
H62.08391.07993.84292.51042.4065

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 125.958 C1 C2 H6 120.204
C2 C1 Br3 125.958 C2 C1 H5 120.204
Br3 C1 H5 113.838 Br4 C2 H6 113.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP 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 0.127      
6 H 0.127      


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 1.721 1.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.182 0.000 0.000
y 0.000 -48.597 0.000
z 0.000 0.000 -42.471
Traceless
 xyz
x -4.648 0.000 0.000
y 0.000 -2.271 0.000
z 0.000 0.000 6.919
Polar
3z2-r213.837
x2-y2-1.585
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.017 0.000 0.000
y 0.000 12.416 0.000
z 0.000 0.000 8.982


<r2> (average value of r2) Å2
<r2> 287.265
(<r2>)1/2 16.949