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All results from a given calculation for CH2BrF (Methane, bromofluoro-)

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-2713.310526
Energy at 298.15K-2713.315962
HF Energy-2713.310526
Nuclear repulsion energy164.452106
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 B3PW91/TZVP
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' 3102 2991 16.27      
2 A' 1494 1441 0.98      
3 A' 1338 1290 55.56      
4 A' 1096 1057 213.90      
5 A' 636 613 74.81      
6 A' 311 300 0.47      
7 A" 3187 3073 5.17      
8 A" 1253 1208 2.65      
9 A" 938 904 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 6677.2 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 6438.9 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 B3PW91/TZVP
ABC
1.35472 0.12329 0.11558

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.511 -1.123 0.000
F2 -0.583 -1.923 0.000
Br3 0.000 0.761 0.000
H4 1.088 -1.289 0.907
H5 1.088 -1.289 -0.907

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.35571.95171.08771.0877
F21.35572.74682.00442.0044
Br31.95172.74682.49172.4917
H41.08772.00442.49171.8136
H51.08772.00442.49171.8136

picture of Methane, bromofluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 111.014 F2 C1 H4 109.748
F2 C1 H5 109.748 Br3 C1 H4 106.652
Br3 C1 H5 106.652 H4 C1 H5 112.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.019      
2 F -0.185      
3 Br -0.125      
4 H 0.145      
5 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.789 -0.648 0.000 1.903
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.311 -3.371 0.000
y -3.371 -30.058 0.000
z 0.000 0.000 -29.187
Traceless
 xyz
x 0.311 -3.371 0.000
y -3.371 -0.809 0.000
z 0.000 0.000 0.498
Polar
3z2-r20.996
x2-y20.747
xy-3.371
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.569 -0.484 0.000
y -0.484 6.005 0.000
z 0.000 0.000 3.323


<r2> (average value of r2) Å2
<r2> 91.516
(<r2>)1/2 9.566