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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-5281.490957
Energy at 298.15K 
HF Energy-5281.490957
Nuclear repulsion energy488.690558
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 PBE1PBE/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' 3157 3022 0.91 66.62 0.25 0.40
2 A' 1328 1270 12.11 4.06 0.62 0.77
3 A' 1147 1098 150.66 1.23 0.65 0.79
4 A' 644 616 20.79 9.95 0.06 0.12
5 A' 370 354 0.31 4.73 0.12 0.22
6 A' 177 169 0.01 2.73 0.39 0.56
7 A" 1201 1149 67.09 1.60 0.75 0.86
8 A" 736 704 178.93 3.13 0.75 0.86
9 A" 308 295 0.00 1.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4533.7 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 4338.8 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 PBE1PBE/6-31G(2df,p)
ABC
0.18804 0.04224 0.03527

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.780 0.000
H2 -1.008 1.386 0.000
F3 0.977 1.565 0.000
Br4 -0.102 -0.288 1.579
Br5 -0.102 -0.288 -1.579

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08941.33441.90641.9064
H21.08941.99242.47282.4728
F31.33441.99242.66312.6631
Br41.90642.47282.66313.1587
Br51.90642.47282.66313.1587

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.168 H2 C1 Br4 108.146
H2 C1 Br5 108.146 F3 C1 Br4 109.245
F3 C1 Br5 109.245 Br4 C1 Br5 111.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.218      
2 H 0.207      
3 F -0.070      
4 Br 0.041      
5 Br 0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.892 0.591 0.000 1.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.941 -1.904 0.000
y -1.904 -45.681 0.000
z 0.000 0.000 -46.357
Traceless
 xyz
x -0.922 -1.904 0.000
y -1.904 0.968 0.000
z 0.000 0.000 -0.046
Polar
3z2-r2-0.092
x2-y2-1.260
xy-1.904
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.942 0.141 0.000
y 0.141 6.750 0.000
z 0.000 0.000 9.893


<r2> (average value of r2) Å2
<r2> 247.350
(<r2>)1/2 15.727