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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-5224.700351
Energy at 298.15K-5224.707963
HF Energy-5224.524245
Nuclear repulsion energy425.558006
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/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 3249 3112 0.38      
2 A1 1638 1569 33.29      
3 A1 1174 1124 1.58      
4 A1 592 567 8.76      
5 A1 108 104 0.03      
6 A2 886 849 0.00      
7 A2 380 364 0.00      
8 B1 686 657 58.45      
9 B2 3227 3090 15.95      
10 B2 1278 1224 45.54      
11 B2 764 732 63.41      
12 B2 476 456 2.63      

Unscaled Zero Point Vibrational Energy (zpe) 7228.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 6922.6 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/cc-pVDZ
ABC
0.28590 0.03313 0.02969

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 1.252
C2 0.000 -0.669 1.252
Br3 0.000 1.771 -0.277
Br4 0.000 -1.771 -0.277
H5 0.000 1.219 2.194
H6 0.000 -1.219 2.194

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33751.88502.87941.09092.1099
C21.33752.87941.88502.10991.0909
Br31.88502.87943.54252.53183.8791
Br42.87941.88503.54253.87912.5318
H51.09092.10992.53183.87912.4384
H62.10991.09093.87912.53182.4384

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 125.794 C1 C2 H6 120.301
C2 C1 Br3 125.794 C2 C1 H5 120.301
Br3 C1 H5 113.905 Br4 C2 H6 113.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.070      
2 C -0.070      
3 Br -0.001      
4 Br -0.001      
5 H 0.071      
6 H 0.071      


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 1.596 1.596
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.148 0.000 0.000
y 0.000 -48.082 0.000
z 0.000 0.000 -42.507
Traceless
 xyz
x -4.853 0.000 0.000
y 0.000 -1.754 0.000
z 0.000 0.000 6.607
Polar
3z2-r213.215
x2-y2-2.066
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.686 0.000 0.000
y 0.000 10.571 0.000
z 0.000 0.000 7.772


<r2> (average value of r2) Å2
<r2> 291.053
(<r2>)1/2 17.060