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

using model chemistry: M06-2X/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-5220.936158
Energy at 298.15K-5220.943895
HF Energy-5220.936158
Nuclear repulsion energy431.369109
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 M06-2X/6-31+G**
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 3259 3103 0.02      
2 A1 1685 1605 32.60      
3 A1 1198 1141 0.98      
4 A1 617 588 9.46      
5 A1 119 113 0.05      
6 A2 955 910 0.00      
7 A2 422 402 0.00      
8 B1 725 690 71.68      
9 B2 3239 3084 24.60      
10 B2 1301 1239 38.97      
11 B2 781 743 70.96      
12 B2 498 474 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 7399.4 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 7045.7 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 M06-2X/6-31+G**
ABC
0.28830 0.03430 0.03065

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.663 1.247
C2 0.000 -0.663 1.247
Br3 0.000 1.740 -0.276
Br4 0.000 -1.740 -0.276
H5 0.000 1.216 2.178
H6 0.000 -1.216 2.178

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32591.86582.84531.08282.0969
C21.32592.84531.86582.09691.0828
Br31.86582.84533.48032.50983.8422
Br42.84531.86583.48033.84222.5098
H51.08282.09692.50983.84222.4317
H62.09691.08283.84222.50982.4317

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 125.263 C1 C2 H6 120.704
C2 C1 Br3 125.263 C2 C1 H5 120.704
Br3 C1 H5 114.032 Br4 C2 H6 114.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 C -0.109      
3 Br -0.089      
4 Br -0.089      
5 H 0.198      
6 H 0.198      


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 1.854 1.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.042 0.000 0.000
y 0.000 -49.242 0.000
z 0.000 0.000 -42.612
Traceless
 xyz
x -5.114 0.000 0.000
y 0.000 -2.415 0.000
z 0.000 0.000 7.529
Polar
3z2-r215.058
x2-y2-1.800
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.845 0.000 0.000
y 0.000 11.923 0.000
z 0.000 0.000 8.626


<r2> (average value of r2) Å2
<r2> 283.450
(<r2>)1/2 16.836