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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-5262.459106
Energy at 298.15K 
HF Energy-5262.459106
Nuclear repulsion energy483.508573
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 B1B95/3-21G
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' 3195 3057 4.00 79.05 0.27 0.43
2 A' 1333 1275 15.12 7.23 0.75 0.86
3 A' 1119 1071 119.88 1.74 0.74 0.85
4 A' 635 608 22.34 10.93 0.10 0.18
5 A' 346 331 0.56 4.57 0.24 0.39
6 A' 170 162 0.04 3.80 0.50 0.67
7 A" 1227 1174 71.34 4.96 0.75 0.86
8 A" 713 683 189.46 4.85 0.75 0.86
9 A" 278 266 0.36 2.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4507.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 4312.5 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 B1B95/3-21G
ABC
0.17580 0.04213 0.03476

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.105 0.805 0.000
H2 -1.023 1.381 0.000
F3 0.997 1.630 0.000
Br4 -0.105 -0.298 1.581
Br5 -0.105 -0.298 -1.581

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08421.37691.92781.9278
H21.08422.03552.48272.4827
F31.37692.03552.72632.7263
Br41.92782.48272.72633.1622
Br51.92782.48272.72633.1622

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.040 H2 C1 Br4 107.716
H2 C1 Br5 107.716 F3 C1 Br4 110.056
F3 C1 Br5 110.056 Br4 C1 Br5 110.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 H 0.292      
3 F -0.261      
4 Br -0.005      
5 Br -0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.287 0.262 0.000 1.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.958 -2.348 0.000
y -2.348 -45.824 0.000
z 0.000 0.000 -45.339
Traceless
 xyz
x -1.377 -2.348 0.000
y -2.348 0.325 0.000
z 0.000 0.000 1.052
Polar
3z2-r22.103
x2-y2-1.134
xy-2.348
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.064 0.189 0.000
y 0.189 5.148 0.000
z 0.000 0.000 8.209


<r2> (average value of r2) Å2
<r2> 250.517
(<r2>)1/2 15.828