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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-5228.335780
Energy at 298.15K 
HF Energy-5228.335780
Nuclear repulsion energy462.495280
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/STO-3G
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' 3115 2882 13.84 47.93 0.39 0.56
2 A' 1336 1236 37.49 6.18 0.70 0.82
3 A' 1176 1088 79.18 2.23 0.64 0.78
4 A' 613 568 21.33 8.27 0.14 0.24
5 A' 359 332 3.59 4.89 0.26 0.41
6 A' 163 151 0.28 4.63 0.55 0.71
7 A" 1220 1129 67.37 8.04 0.75 0.86
8 A" 687 635 156.67 4.78 0.75 0.86
9 A" 287 266 0.77 2.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4477.6 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 4142.7 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/STO-3G
ABC
0.16860 0.03770 0.03144

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.101 0.808 0.000
H2 -1.077 1.379 0.000
F3 0.974 1.695 0.000
Br4 -0.101 -0.307 1.673
Br5 -0.101 -0.307 -1.673

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.13061.39392.01032.0103
H21.13062.07542.56782.5678
F31.39392.07542.82162.8216
Br42.01032.56782.82163.3457
Br52.01032.56782.82163.3457

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.158 H2 C1 Br4 106.272
H2 C1 Br5 106.272 F3 C1 Br4 110.656
F3 C1 Br5 110.656 Br4 C1 Br5 112.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.054      
2 H 0.101      
3 F -0.020      
4 Br -0.014      
5 Br -0.014      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.386 1.190 0.000 1.251
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.354 -0.782 0.000
y -0.782 -41.515 0.000
z 0.000 0.000 -44.264
Traceless
 xyz
x 0.535 -0.782 0.000
y -0.782 1.794 0.000
z 0.000 0.000 -2.329
Polar
3z2-r2-4.659
x2-y2-0.840
xy-0.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.206 0.307 0.000
y 0.307 2.530 0.000
z 0.000 0.000 5.473


<r2> (average value of r2) Å2
<r2> 271.303
(<r2>)1/2 16.471