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All results from a given calculation for CH2BrCl (Methane, bromochloro-)

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-3058.566461
Energy at 298.15K-3058.571647
HF Energy-3058.566461
Nuclear repulsion energy215.708198
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 PBEPBE/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3064 2921 4.17      
2 A' 1454 1386 0.40      
3 A' 1238 1181 36.01      
4 A' 655 625 112.39      
5 A' 606 578 30.74      
6 A' 219 209 0.25      
7 A" 3146 2999 0.00      
8 A" 1144 1091 0.00      
9 A" 837 798 6.43      

Unscaled Zero Point Vibrational Energy (zpe) 6180.7 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 5893.3 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 PBEPBE/3-21G*
ABC
0.94806 0.06867 0.06485

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.036 0.000
Br2 0.858 -0.718 0.000
Cl3 -1.804 0.929 0.000
H4 0.313 1.562 0.910
H5 0.313 1.562 -0.910

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.95311.80681.09611.0961
Br21.95313.13012.51452.5145
Cl31.80683.13012.38902.3890
H41.09612.51452.38901.8197
H51.09612.51452.38901.8197

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.654 Br2 C1 H4 107.765
Br2 C1 H5 107.765 Cl3 C1 H4 108.258
Cl3 C1 H5 108.258 H4 C1 H5 112.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.589      
2 Br -0.000      
3 Cl 0.005      
4 H 0.292      
5 H 0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.126 1.223 0.000 1.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.982 1.176 0.000
y 1.176 -34.496 0.000
z 0.000 0.000 -36.886
Traceless
 xyz
x -3.292 1.176 0.000
y 1.176 3.438 0.000
z 0.000 0.000 -0.147
Polar
3z2-r2-0.293
x2-y2-4.486
xy1.176
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.546 -1.482 0.000
y -1.482 5.307 0.000
z 0.000 0.000 3.433


<r2> (average value of r2) Å2
<r2> 149.945
(<r2>)1/2 12.245