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

using model chemistry: wB97X-D/6-31G*

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/6-31G*
 hartrees
Energy at 0K-5220.813777
Energy at 298.15K-5220.821454
HF Energy-5220.813777
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/6-31G*
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 3280 3111 0.84      
2 A1 1695 1608 29.85      
3 A1 1207 1145 1.73      
4 A1 606 575 9.79      
5 A1 122 116 0.04      
6 A2 937 889 0.00      
7 A2 392 371 0.00      
8 B1 715 678 63.78      
9 B2 3258 3090 13.01      
10 B2 1314 1246 39.93      
11 B2 781 740 59.50      
12 B2 487 462 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 7395.8 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 7015.0 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/6-31G*
ABC
0.28280 0.03458 0.03081

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.663 1.261
C2 0.000 -0.663 1.261
Br3 0.000 1.733 -0.279
Br4 0.000 -1.733 -0.279
H5 0.000 1.219 2.190
H6 0.000 -1.219 2.190

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32631.87472.84801.08322.0995
C21.32632.84801.87472.09951.0832
Br31.87472.84803.46572.52173.8486
Br42.84801.87473.46573.84862.5217
H51.08322.09952.52173.84862.4390
H62.09951.08323.84862.52172.4390

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 124.793 C1 C2 H6 120.906
C2 C1 Br3 124.793 C2 C1 H5 120.906
Br3 C1 H5 114.301 Br4 C2 H6 114.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.166      
2 C -0.166      
3 Br -0.060      
4 Br -0.060      
5 H 0.226      
6 H 0.226      


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 1.795 1.795
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.700 0.000 0.000
y 0.000 -47.804 0.000
z 0.000 0.000 -41.357
Traceless
 xyz
x -5.119 0.000 0.000
y 0.000 -2.275 0.000
z 0.000 0.000 7.395
Polar
3z2-r214.789
x2-y2-1.896
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.336 0.000 0.000
y 0.000 10.857 0.000
z 0.000 0.000 7.822


<r2> (average value of r2) Å2
<r2> 281.462
(<r2>)1/2 16.777