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All results from a given calculation for CHClBr2 (Methane, dibromochloro-)

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-5641.581325
Energy at 298.15K-5641.588336
HF Energy-5641.581325
Nuclear repulsion energy577.210100
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/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' 3104 3072 1.89      
2 A' 1159 1147 18.66      
3 A' 700 692 134.62      
4 A' 569 564 5.97      
5 A' 276 274 0.04      
6 A' 166 165 0.01      
7 A" 1124 1112 28.96      
8 A" 655 648 123.18      
9 A" 194 192 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 3973.1 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 3932.2 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 PBEPBE/6-31G(2df,p)
ABC
0.08227 0.04169 0.02824

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.236 0.592 0.000
H2 -1.161 1.176 0.000
Cl3 1.121 1.747 0.000
Br4 -0.236 -0.492 1.588
Br5 -0.236 -0.492 -1.588

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.09351.78161.92321.9232
H21.09352.35232.48182.4818
Cl31.78162.35233.06213.0621
Br41.92322.48183.06213.1769
Br51.92322.48183.06213.1769

picture of Methane, dibromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Cl3 107.375 H2 C1 Br4 107.500
H2 C1 Br5 107.500 Cl3 C1 Br4 111.429
Cl3 C1 Br5 111.429 Br4 C1 Br5 111.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.357      
2 H 0.223      
3 Cl -0.050      
4 Br 0.092      
5 Br 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.879 0.335 0.000 0.940
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.879 -1.197 0.000
y -1.197 -53.662 0.000
z 0.000 0.000 -53.853
Traceless
 xyz
x -0.122 -1.197 0.000
y -1.197 0.204 0.000
z 0.000 0.000 -0.082
Polar
3z2-r2-0.165
x2-y2-0.217
xy-1.197
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.713 1.484 0.000
y 1.484 9.326 0.000
z 0.000 0.000 11.129


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000