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

using model chemistry: PBE1PBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-3070.837456
Energy at 298.15K-3070.842748
HF Energy-3070.837456
Nuclear repulsion energy220.489357
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/6-31G(2df,p)
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' 3141 3006 3.21      
2 A' 1450 1388 0.12      
3 A' 1255 1201 45.16      
4 A' 764 731 98.78      
5 A' 649 621 20.27      
6 A' 232 222 0.29      
7 A" 3224 3085 0.59      
8 A" 1155 1106 0.00      
9 A" 863 826 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 6366.9 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 6093.2 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/6-31G(2df,p)
ABC
0.99818 0.07165 0.06772

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.005 0.000
Br2 0.838 -0.705 0.000
Cl3 -1.763 0.915 0.000
H4 0.313 1.535 0.897
H5 0.313 1.535 -0.897

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.90441.76521.08741.0874
Br21.90443.06452.46902.4690
Cl31.76523.06452.34422.3442
H41.08742.46902.34421.7936
H51.08742.46902.34421.7936

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 113.197 Br2 C1 H4 108.100
Br2 C1 H5 108.100 Cl3 C1 H4 108.175
Cl3 C1 H5 108.175 H4 C1 H5 111.128
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.374      
2 Br 0.027      
3 Cl -0.091      
4 H 0.219      
5 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.901 1.295 0.000 1.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.673 1.271 0.000
y 1.271 -34.643 0.000
z 0.000 0.000 -36.690
Traceless
 xyz
x -3.006 1.271 0.000
y 1.271 3.039 0.000
z 0.000 0.000 -0.033
Polar
3z2-r2-0.065
x2-y2-4.030
xy1.271
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.451 -1.307 0.000
y -1.307 6.374 0.000
z 0.000 0.000 4.829


<r2> (average value of r2) Å2
<r2> 144.536
(<r2>)1/2 12.022