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All results from a given calculation for CHBrCl2 (Methane, bromodichloro-)

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G*
 hartrees
Energy at 0K-3516.036927
Energy at 298.15K 
HF Energy-3516.036927
Nuclear repulsion energy394.017449
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 PBE1PBE/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' 3207 3078 1.10 69.13 0.28 0.44
2 A' 1230 1180 23.91 7.48 0.72 0.84
3 A' 722 693 132.92 3.86 0.62 0.77
4 A' 620 595 5.67 9.57 0.01 0.02
5 A' 332 319 0.15 8.90 0.26 0.41
6 A' 226 217 0.15 5.13 0.62 0.76
7 A" 1274 1223 13.13 8.70 0.75 0.86
8 A" 722 693 153.28 3.53 0.75 0.86
9 A" 218 209 0.02 4.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4275.5 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 4103.7 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 PBE1PBE/3-21G*
ABC
0.10738 0.06081 0.03993

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.679 -0.119 0.000
H2 -1.586 0.479 0.000
Br3 0.821 1.100 0.000
Cl4 -0.679 -1.125 1.469
Cl5 -0.679 -1.125 -1.469

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08641.93241.78101.7810
H21.08642.48612.35702.3570
Br31.93242.48613.05923.0592
Cl41.78102.35703.05922.9384
Cl51.78102.35703.05922.9384

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.557 H2 C1 Cl4 108.109
H2 C1 Cl5 108.109 Br3 C1 Cl4 110.876
Br3 C1 Cl5 110.876 Cl4 C1 Cl5 111.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.548      
2 H 0.349      
3 Br 0.057      
4 Cl 0.071      
5 Cl 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.754 1.014 0.000 1.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.035 -0.307 0.000
y -0.307 -49.383 0.000
z 0.000 0.000 -50.328
Traceless
 xyz
x 2.820 -0.307 0.000
y -0.307 -0.701 0.000
z 0.000 0.000 -2.119
Polar
3z2-r2-4.238
x2-y22.348
xy-0.307
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.377 1.705 0.000
y 1.705 6.685 0.000
z 0.000 0.000 7.179


<r2> (average value of r2) Å2
<r2> 234.180
(<r2>)1/2 15.303