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

using model chemistry: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-5225.699090
Energy at 298.15K-5225.706680
HF Energy-5225.699090
Nuclear repulsion energy424.229218
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 B3LYP/cc-pVDZ
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 3222 3125 0.28      
2 A1 1641 1592 37.04      
3 A1 1164 1129 1.53      
4 A1 581 564 9.40      
5 A1 107 104 0.03      
6 A2 882 856 0.00      
7 A2 381 369 0.00      
8 B1 679 659 57.53      
9 B2 3199 3103 15.54      
10 B2 1263 1225 47.15      
11 B2 753 731 68.35      
12 B2 472 458 3.37      

Unscaled Zero Point Vibrational Energy (zpe) 7171.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 6956.4 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 B3LYP/cc-pVDZ
ABC
0.28589 0.03284 0.02945

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 1.252
C2 0.000 -0.667 1.252
Br3 0.000 1.779 -0.277
Br4 0.000 -1.779 -0.277
H5 0.000 1.220 2.192
H6 0.000 -1.220 2.192

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33301.89122.88451.09152.1083
C21.33302.88451.89122.10831.0915
Br31.89122.88453.55872.53213.8856
Br42.88451.89123.55873.88562.5321
H51.09152.10832.53213.88562.4408
H62.10831.09153.88562.53212.4408

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 126.045 C1 C2 H6 120.493
C2 C1 Br3 126.045 C2 C1 H5 120.493
Br3 C1 H5 113.463 Br4 C2 H6 113.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 C -0.055      
3 Br -0.005      
4 Br -0.005      
5 H 0.060      
6 H 0.060      


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 1.574 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.858 0.000 0.000
y 0.000 -47.744 0.000
z 0.000 0.000 -42.274
Traceless
 xyz
x -4.849 0.000 0.000
y 0.000 -1.678 0.000
z 0.000 0.000 6.527
Polar
3z2-r213.054
x2-y2-2.114
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.728 0.000 0.000
y 0.000 10.853 0.000
z 0.000 0.000 7.858


<r2> (average value of r2) Å2
<r2> 292.854
(<r2>)1/2 17.113