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All results from a given calculation for CHBrF2 (Methane, bromodifluoro-)

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-2795.191187
Energy at 298.15K-2795.196061
HF Energy-2795.191187
Nuclear repulsion energy257.123217
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 LSDA/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' 3032 2977 28.24      
2 A' 1265 1243 78.49      
3 A' 1115 1095 187.37      
4 A' 703 690 123.71      
5 A' 547 537 9.28      
6 A' 307 302 0.19      
7 A" 1357 1332 29.41      
8 A" 1189 1167 120.86      
9 A" 288 283 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 4900.8 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 4812.5 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 LSDA/3-21G*
ABC
0.32642 0.09655 0.07788

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.430 -0.906 0.000
H2 -1.531 -0.934 0.000
Br3 0.078 0.958 0.000
F4 0.078 -1.509 1.109
F5 0.078 -1.509 -1.109

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.10151.93231.36021.3602
H21.10152.48282.03662.0366
Br31.93232.48282.70482.7048
F41.36022.03662.70482.2183
F51.36022.03662.70482.2183

picture of Methane, bromodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.621 H2 C1 F4 111.210
H2 C1 F5 111.210 Br3 C1 F4 109.241
Br3 C1 F5 109.241 F4 C1 F5 109.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.236      
2 H 0.252      
3 Br -0.053      
4 F -0.217      
5 F -0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.366 -0.092 0.000 1.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.455 1.921 0.000
y 1.921 -33.084 0.000
z 0.000 0.000 -35.065
Traceless
 xyz
x 2.620 1.921 0.000
y 1.921 0.176 0.000
z 0.000 0.000 -2.796
Polar
3z2-r2-5.591
x2-y21.629
xy1.921
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.964 0.467 0.000
y 0.467 5.086 0.000
z 0.000 0.000 3.027


<r2> (average value of r2) Å2
<r2> 125.559
(<r2>)1/2 11.205