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

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-5225.909109
Energy at 298.15K-5225.916453
HF Energy-5225.909109
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/aug-cc-pVTZ
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 3253 3112 0.00      
2 Ag 1664 1592 0.00      
3 Ag 1284 1228 0.00      
4 Ag 774 741 0.00      
5 Ag 225 215 0.00      
6 Au 936 896 51.25      
7 Au 170 163 0.02      
8 Bg 783 749 0.00      
9 Bu 3248 3107 15.04      
10 Bu 1183 1132 37.25      
11 Bu 714 683 71.48      
12 Bu 201 192 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 7218.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 6905.2 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/aug-cc-pVTZ
ABC
1.73739 0.02012 0.01989

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.377 0.540 0.000
C2 0.377 -0.540 0.000
Br3 0.377 2.266 0.000
Br4 -0.377 -2.266 0.000
H5 -1.455 0.528 0.000
H6 1.455 -0.528 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.31671.88272.80551.07852.1201
C21.31672.80551.88272.12011.0785
Br31.88272.80554.59322.52492.9941
Br42.80551.88274.59322.99412.5249
H51.07852.12012.52492.99413.0955
H62.12011.07852.99412.52493.0955

picture of Ethene, 1,2-dibromo-, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Br4 121.531 C1 C2 H6 124.229
C2 C1 Br3 121.531 C2 C1 H5 124.229
Br3 C1 H5 114.240 Br4 C2 H6 114.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.442      
2 C -0.442      
3 Br 0.002      
4 Br 0.002      
5 H 0.440      
6 H 0.440      


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 -45.962 -0.337 0.000
y -0.337 -49.815 0.000
z 0.000 0.000 -50.283
Traceless
 xyz
x 4.087 -0.337 0.000
y -0.337 -1.693 0.000
z 0.000 0.000 -2.394
Polar
3z2-r2-4.788
x2-y23.853
xy-0.337
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.574 0.832 0.000
y 0.832 15.953 0.000
z 0.000 0.000 7.464


<r2> (average value of r2) Å2
<r2> 409.608
(<r2>)1/2 20.239