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

using model chemistry: B1B95/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-3074.125887
Energy at 298.15K-3074.131155
HF Energy-3074.125887
Nuclear repulsion energy219.347091
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 B1B95/aug-cc-pVTZ
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' 3151 3020 2.91      
2 A' 1451 1391 0.12      
3 A' 1249 1197 47.51      
4 A' 752 720 98.86      
5 A' 621 595 30.58      
6 A' 226 216 0.21      
7 A" 3233 3099 1.32      
8 A" 1153 1105 0.00      
9 A" 857 822 2.32      

Unscaled Zero Point Vibrational Energy (zpe) 6345.8 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 6082.5 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 B1B95/aug-cc-pVTZ
ABC
0.99670 0.07082 0.06697

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.018 0.000
Br2 0.836 -0.720 0.000
Cl3 -1.758 0.942 0.000
H4 0.323 1.529 0.895
H5 0.323 1.529 -0.895

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.92811.76011.07991.0799
Br21.92813.08072.47342.4734
Cl31.76013.08072.34052.3405
H41.07992.47342.34051.7903
H51.07992.47342.34051.7903

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 113.211 Br2 C1 H4 107.232
Br2 C1 H5 107.232 Cl3 C1 H4 108.622
Cl3 C1 H5 108.622 H4 C1 H5 111.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.468      
2 Br 0.010      
3 Cl -0.137      
4 H 0.297      
5 H 0.297      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.808 1.340 0.000 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.061 1.299 0.000
y 1.299 -35.159 0.000
z 0.000 0.000 -37.144
Traceless
 xyz
x -2.909 1.299 0.000
y 1.299 2.944 0.000
z 0.000 0.000 -0.035
Polar
3z2-r2-0.070
x2-y2-3.902
xy1.299
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.654 -1.427 0.000
y -1.427 7.676 0.000
z 0.000 0.000 6.026


<r2> (average value of r2) Å2
<r2> 146.105
(<r2>)1/2 12.087