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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-3070.506319
Energy at 298.15K-3070.511584
HF Energy-3070.382272
Nuclear repulsion energy217.145682
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/6-31G*
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' 3184 3022 5.06      
2 A' 1504 1428 0.49      
3 A' 1297 1231 66.29      
4 A' 753 715 98.23      
5 A' 608 578 34.74      
6 A' 232 220 0.25      
7 A" 3270 3104 0.01      
8 A" 1188 1128 0.00      
9 A" 875 830 3.22      

Unscaled Zero Point Vibrational Energy (zpe) 6454.9 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 6127.0 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/6-31G*
ABC
0.97742 0.06940 0.06562

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.032 0.000
Br2 0.842 -0.730 0.000
Cl3 -1.773 0.957 0.000
H4 0.332 1.541 0.899
H5 0.332 1.541 -0.899

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.95231.77431.08481.0848
Br21.95233.11162.49462.4946
Cl31.77433.11162.36162.3616
H41.08482.49462.36161.7977
H51.08482.49462.36161.7977

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 113.134 Br2 C1 H4 106.942
Br2 C1 H5 106.942 Cl3 C1 H4 108.977
Cl3 C1 H5 108.977 H4 C1 H5 111.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.387      
2 Br -0.084      
3 Cl -0.010      
4 H 0.241      
5 H 0.241      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.916 1.453 0.000 1.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.224 1.315 0.000
y 1.315 -34.918 0.000
z 0.000 0.000 -37.133
Traceless
 xyz
x -3.199 1.315 0.000
y 1.315 3.260 0.000
z 0.000 0.000 -0.061
Polar
3z2-r2-0.123
x2-y2-4.306
xy1.315
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.574 -1.395 0.000
y -1.395 5.561 0.000
z 0.000 0.000 3.767


<r2> (average value of r2) Å2
<r2> 148.582
(<r2>)1/2 12.189