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

using model chemistry: BLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at BLYP/Def2TZVPP
 hartrees
Energy at 0K-5225.747428
Energy at 298.15K-5225.754930
HF Energy-5225.747428
Nuclear repulsion energy421.105918
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 BLYP/Def2TZVPP
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 3140 3140 0.34      
2 A1 1562 1562 37.58      
3 A1 1147 1147 1.84      
4 A1 551 551 8.11      
5 A1 102 102 0.03      
6 A2 854 854 0.00      
7 A2 372 372 0.00      
8 B1 657 657 58.07      
9 B2 3119 3119 13.32      
10 B2 1246 1246 49.50      
11 B2 726 726 68.10      
12 B2 457 457 4.05      

Unscaled Zero Point Vibrational Energy (zpe) 6965.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6965.2 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 BLYP/Def2TZVPP
ABC
0.28544 0.03218 0.02892

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 1.254
C2 0.000 -0.666 1.254
Br3 0.000 1.798 -0.277
Br4 0.000 -1.798 -0.277
H5 0.000 1.219 2.189
H6 0.000 -1.219 2.189

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33261.90402.90131.08622.1046
C21.33262.90131.90402.10461.0862
Br31.90402.90133.59612.53313.8968
Br42.90131.90403.59613.89682.5331
H51.08622.10462.53313.89682.4384
H62.10461.08623.89682.53312.4384

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 126.469 C1 C2 H6 120.600
C2 C1 Br3 126.469 C2 C1 H5 120.600
Br3 C1 H5 112.931 Br4 C2 H6 112.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 C -0.115      
3 Br -0.018      
4 Br -0.018      
5 H 0.133      
6 H 0.133      


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 1.587 1.587
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.593 0.000 0.000
y 0.000 -49.022 0.000
z 0.000 0.000 -43.227
Traceless
 xyz
x -4.469 0.000 0.000
y 0.000 -2.112 0.000
z 0.000 0.000 6.581
Polar
3z2-r213.161
x2-y2-1.571
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.152 0.000 0.000
y 0.000 13.199 0.000
z 0.000 0.000 9.447


<r2> (average value of r2) Å2
<r2> 298.172
(<r2>)1/2 17.268