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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-5620.626570
Energy at 298.15K-5620.633426
HF Energy-5620.626570
Nuclear repulsion energy564.298745
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 BLYP/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' 3121 3101 0.19      
2 A' 1186 1178 20.06      
3 A' 609 605 157.92      
4 A' 541 538 7.33      
5 A' 258 256 0.16      
6 A' 154 153 0.03      
7 A" 1143 1136 33.80      
8 A" 601 597 140.64      
9 A" 185 184 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 3898.4 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 3873.0 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 BLYP/3-21G*
ABC
0.07856 0.03986 0.02699

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.244 0.613 0.000
H2 -1.165 1.198 0.000
Cl3 1.160 1.779 0.000
Br4 -0.244 -0.502 1.624
Br5 -0.244 -0.502 -1.624

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.09091.82571.96991.9699
H21.09092.39672.52492.5249
Cl31.82572.39673.13263.1326
Br41.96992.52493.13263.2485
Br51.96992.52493.13263.2485

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 107.850 H2 C1 Br4 107.672
H2 C1 Br5 107.672 Cl3 C1 Br4 111.186
Cl3 C1 Br5 111.186 Br4 C1 Br5 111.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.409      
2 H 0.297      
3 Cl 0.034      
4 Br 0.039      
5 Br 0.039      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.131 0.124 0.000 1.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.246 -1.475 0.000
y -1.475 -53.947 0.000
z 0.000 0.000 -53.114
Traceless
 xyz
x -0.716 -1.475 0.000
y -1.475 -0.266 0.000
z 0.000 0.000 0.982
Polar
3z2-r21.964
x2-y2-0.300
xy-1.475
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.837 1.679 0.000
y 1.679 7.596 0.000
z 0.000 0.000 9.484


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