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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-5282.543401
Energy at 298.15K 
HF Energy-5282.543401
Nuclear repulsion energy484.078383
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 B1B95/6-31G*
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' 3211 3049 2.07 77.49 0.27 0.42
2 A' 1340 1272 23.23 5.09 0.72 0.84
3 A' 1164 1105 175.99 1.42 0.74 0.85
4 A' 626 594 24.70 10.74 0.10 0.18
5 A' 356 338 0.51 4.69 0.18 0.31
6 A' 175 166 0.01 3.63 0.46 0.63
7 A" 1203 1142 93.08 3.20 0.75 0.86
8 A" 704 669 203.17 4.28 0.75 0.86
9 A" 296 281 0.05 2.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4537.5 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 4307.5 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 B1B95/6-31G*
ABC
0.18383 0.04150 0.03461

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.796 0.000
H2 -1.012 1.387 0.000
F3 0.975 1.588 0.000
Br4 -0.102 -0.292 1.593
Br5 -0.102 -0.292 -1.593

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08491.33731.92971.9297
H21.08491.99722.48752.4875
F31.33731.99722.69012.6901
Br41.92972.48752.69013.1870
Br51.92972.48752.69013.1870

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.648 H2 C1 Br4 107.900
H2 C1 Br5 107.900 F3 C1 Br4 109.521
F3 C1 Br5 109.521 Br4 C1 Br5 111.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.112      
2 H 0.239      
3 F -0.231      
4 Br -0.060      
5 Br -0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.028 0.575 0.000 1.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.010 -1.923 0.000
y -1.923 -45.679 0.000
z 0.000 0.000 -46.147
Traceless
 xyz
x -1.097 -1.923 0.000
y -1.923 0.900 0.000
z 0.000 0.000 0.197
Polar
3z2-r20.393
x2-y2-1.331
xy-1.923
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.716 0.147 0.000
y 0.147 5.724 0.000
z 0.000 0.000 9.002


<r2> (average value of r2) Å2
<r2> 251.437
(<r2>)1/2 15.857