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

using model chemistry: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-5224.688876
Energy at 298.15K-5224.696491
HF Energy-5224.512016
Nuclear repulsion energy425.743715
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 B2PLYP/6-311G**
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 3242 3242 0.79      
2 A1 1626 1626 33.21      
3 A1 1195 1195 2.17      
4 A1 586 586 8.28      
5 A1 109 109 0.02      
6 A2 893 893 0.00      
7 A2 378 378 0.00      
8 B1 688 688 71.09      
9 B2 3220 3220 16.12      
10 B2 1297 1297 45.72      
11 B2 766 766 69.83      
12 B2 475 475 2.46      

Unscaled Zero Point Vibrational Energy (zpe) 7237.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7237.1 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 B2PLYP/6-311G**
ABC
0.28799 0.03306 0.02966

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

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 1.773 -0.276
Br4 0.000 -1.773 -0.276
H5 0.000 1.212 2.180
H6 0.000 -1.212 2.180

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33001.88452.87541.08122.0960
C21.33002.87541.88452.09601.0812
Br31.88452.87543.54652.52003.8663
Br42.87541.88453.54653.86632.5200
H51.08122.09602.52003.86632.4243
H62.09601.08123.86632.52002.4243

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 126.021 C1 C2 H6 120.400
C2 C1 Br3 126.021 C2 C1 H5 120.400
Br3 C1 H5 113.579 Br4 C2 H6 113.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.193      
2 C -0.193      
3 Br 0.026      
4 Br 0.026      
5 H 0.167      
6 H 0.167      


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 1.684 1.684
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.715 0.000 0.000
y 0.000 -48.682 0.000
z 0.000 0.000 -42.800
Traceless
 xyz
x -4.974 0.000 0.000
y 0.000 -1.925 0.000
z 0.000 0.000 6.899
Polar
3z2-r213.797
x2-y2-2.033
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.917 0.000 0.000
y 0.000 11.020 0.000
z 0.000 0.000 7.886


<r2> (average value of r2) Å2
<r2> 291.496
(<r2>)1/2 17.073