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

using model chemistry: PBE1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-5224.961788
Energy at 298.15K-5224.969443
HF Energy-5224.961788
Nuclear repulsion energy430.360323
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 PBE1PBE/6-311+G(3df,2p)
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 3233 3233 0.02      
2 A1 1653 1653 32.63      
3 A1 1177 1177 1.23      
4 A1 608 608 7.22      
5 A1 108 108 0.04      
6 A2 914 914 0.00      
7 A2 390 390 0.00      
8 B1 692 692 58.55      
9 B2 3210 3210 18.58      
10 B2 1282 1282 42.32      
11 B2 778 778 62.41      
12 B2 485 485 2.04      

Unscaled Zero Point Vibrational Energy (zpe) 7264.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7264.5 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 PBE1PBE/6-311+G(3df,2p)
ABC
0.29160 0.03392 0.03038

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.661 1.239
C2 0.000 -0.661 1.239
Br3 0.000 1.750 -0.275
Br4 0.000 -1.750 -0.275
H5 0.000 1.210 2.171
H6 0.000 -1.210 2.171

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32201.86522.84731.08142.0899
C21.32202.84731.86522.08991.0814
Br31.86522.84733.50082.50513.8398
Br42.84731.86523.50083.83982.5051
H51.08142.08992.50513.83982.4192
H62.08991.08143.83982.50512.4192

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 125.736 C1 C2 H6 120.481
C2 C1 Br3 125.736 C2 C1 H5 120.481
Br3 C1 H5 113.783 Br4 C2 H6 113.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.085      
2 C -0.085      
3 Br -0.050      
4 Br -0.050      
5 H 0.135      
6 H 0.135      


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 1.658 1.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.403 0.000 0.000
y 0.000 -48.592 0.000
z 0.000 0.000 -42.632
Traceless
 xyz
x -4.791 0.000 0.000
y 0.000 -2.075 0.000
z 0.000 0.000 6.866
Polar
3z2-r213.731
x2-y2-1.810
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.109 0.000 0.000
y 0.000 13.248 0.000
z 0.000 0.000 9.601


<r2> (average value of r2) Å2
<r2> 285.267
(<r2>)1/2 16.890