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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-2809.402798
Energy at 298.15K 
HF Energy-2809.211387
Nuclear repulsion energy256.818465
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 B2PLYP/6-31G*
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' 3205 3042 19.97 80.79 0.26 0.42
2 A' 1327 1259 114.20 3.74 0.66 0.80
3 A' 1138 1080 256.24 1.67 0.40 0.57
4 A' 710 674 122.29 11.95 0.26 0.41
5 A' 574 545 7.97 2.05 0.32 0.49
6 A' 314 298 0.55 5.21 0.33 0.49
7 A" 1416 1344 28.95 4.87 0.75 0.86
8 A" 1187 1126 187.68 2.28 0.75 0.86
9 A" 313 297 0.47 1.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5090.9 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 4832.3 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 B2PLYP/6-31G*
ABC
0.33637 0.09497 0.07734

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.428 -0.923 0.000
H2 -1.514 -0.983 0.000
Br3 0.077 0.967 0.000
F4 0.077 -1.519 1.092
F5 0.077 -1.519 -1.092

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08711.95661.34251.3425
H21.08712.51632.00242.0024
Br31.95662.51632.71522.7152
F41.34252.00242.71522.1837
F51.34252.00242.71522.1837

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 108.105 H2 C1 F4 110.571
H2 C1 F5 110.571 Br3 C1 F4 109.366
Br3 C1 F5 109.366 F4 C1 F5 108.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.442      
2 H 0.185      
3 Br -0.124      
4 F -0.252      
5 F -0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.384 -0.255 0.000 1.407
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.872 1.991 -0.000
y 1.991 -33.523 0.005
z -0.000 0.005 -35.343
Traceless
 xyz
x 2.561 1.991 -0.000
y 1.991 0.085 0.005
z -0.000 0.005 -2.646
Polar
3z2-r2-5.291
x2-y21.651
xy1.991
xz-0.000
yz0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.450 0.470 -0.000
y 0.470 5.573 0.001
z -0.000 0.001 3.468


<r2> (average value of r2) Å2
<r2> 126.477
(<r2>)1/2 11.246