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

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-5615.609399
Energy at 298.15K-5615.616533
HF Energy-5615.609399
Nuclear repulsion energy562.109233
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 HF/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' 3420 3098 2.14      
2 A' 1315 1191 29.19      
3 A' 741 671 122.19      
4 A' 564 511 4.09      
5 A' 282 255 0.27      
6 A' 175 159 0.08      
7 A" 1294 1172 46.57      
8 A" 755 684 84.25      
9 A" 205 185 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 4375.0 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 3962.0 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 HF/3-21G
ABC
0.07864 0.03921 0.02668

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.248 0.581 0.000
H2 -1.131 1.183 0.000
Cl3 1.176 1.774 0.000
Br4 -0.248 -0.498 1.638
Br5 -0.248 -0.498 -1.638

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.06831.85801.96151.9615
H21.06832.38112.50742.5074
Cl31.85802.38113.14233.1423
Br41.96152.50743.14233.2769
Br51.96152.50743.14233.2769

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 105.731 H2 C1 Br4 108.046
H2 C1 Br5 108.046 Cl3 C1 Br4 110.683
Cl3 C1 Br5 110.683 Br4 C1 Br5 113.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.864      
2 H 0.372      
3 Cl 0.072      
4 Br 0.210      
5 Br 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.659 -0.089 0.000 1.661
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.176 -2.468 0.000
y -2.468 -56.678 0.000
z 0.000 0.000 -55.269
Traceless
 xyz
x -0.203 -2.468 0.000
y -2.468 -0.955 0.000
z 0.000 0.000 1.158
Polar
3z2-r22.316
x2-y20.502
xy-2.468
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.116 1.906 0.000
y 1.906 6.128 0.000
z 0.000 0.000 8.318


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