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

using model chemistry: mPW1PW91/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 mPW1PW91/STO-3G
 hartrees
Energy at 0K-2781.235747
Energy at 298.15K-2781.240518
HF Energy-2781.235747
Nuclear repulsion energy250.308355
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 mPW1PW91/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' 3221 2831 17.32      
2 A' 1350 1186 90.47      
3 A' 1184 1041 96.54      
4 A' 726 638 69.42      
5 A' 548 482 9.37      
6 A' 328 288 0.52      
7 A" 1452 1276 48.19      
8 A" 1244 1093 56.79      
9 A" 308 270 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 5180.5 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 4553.1 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 mPW1PW91/STO-3G
ABC
0.31785 0.09025 0.07328

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.423 -0.931 0.000
H2 -1.551 -0.972 0.000
Br3 0.077 0.992 0.000
F4 0.077 -1.564 1.126
F5 0.077 -1.564 -1.126

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.12921.98721.38451.3845
H21.12922.55082.06632.0663
Br31.98722.55082.79252.7925
F41.38452.06632.79252.2511
F51.38452.06632.79252.2511

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 106.608 H2 C1 F4 110.164
H2 C1 F5 110.164 Br3 C1 F4 110.561
Br3 C1 F5 110.561 F4 C1 F5 108.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.106      
2 H 0.096      
3 Br -0.057      
4 F -0.072      
5 F -0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.977 -0.963 0.000 1.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.028 1.027 0.000
y 1.027 -30.701 0.000
z 0.000 0.000 -31.190
Traceless
 xyz
x 1.918 1.027 0.000
y 1.027 -0.593 0.000
z 0.000 0.000 -1.325
Polar
3z2-r2-2.650
x2-y21.673
xy1.027
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.084 0.409 0.000
y 0.409 3.399 0.000
z 0.000 0.000 1.287


<r2> (average value of r2) Å2
<r2> 130.126
(<r2>)1/2 11.407