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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-5261.053350
Energy at 298.15K 
HF Energy-5261.053350
Nuclear repulsion energy482.131740
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 HSEh1PBE/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' 3184 3056 4.19 78.37 0.27 0.43
2 A' 1331 1278 14.52 7.21 0.75 0.86
3 A' 1116 1071 119.78 1.64 0.73 0.84
4 A' 637 611 22.03 10.52 0.10 0.18
5 A' 348 334 0.54 4.63 0.24 0.39
6 A' 172 165 0.03 3.89 0.50 0.67
7 A" 1228 1179 70.43 4.94 0.75 0.86
8 A" 712 684 191.38 4.52 0.75 0.86
9 A" 281 270 0.23 2.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4504.4 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 4323.8 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 HSEh1PBE/3-21G*
ABC
0.17522 0.04184 0.03454

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.104 0.805 0.000
H2 -1.027 1.379 0.000
F3 0.996 1.635 0.000
Br4 -0.104 -0.299 1.587
Br5 -0.104 -0.299 -1.587

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08701.37871.93271.9327
H21.08702.03962.48702.4870
F31.37872.03962.73292.7329
Br41.93272.48702.73293.1734
Br51.93272.48702.73293.1734

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.063 H2 C1 Br4 107.565
H2 C1 Br5 107.565 F3 C1 Br4 110.112
F3 C1 Br5 110.112 Br4 C1 Br5 110.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.028      
2 H 0.295      
3 F -0.256      
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
  -1.268 0.290 0.000 1.301
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.130 -2.312 0.000
y -2.312 -46.004 0.000
z 0.000 0.000 -45.590
Traceless
 xyz
x -1.333 -2.312 0.000
y -2.312 0.356 0.000
z 0.000 0.000 0.977
Polar
3z2-r21.954
x2-y2-1.126
xy-2.312
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.077 0.193 0.000
y 0.193 5.165 0.000
z 0.000 0.000 8.259


<r2> (average value of r2) Å2
<r2> 252.030
(<r2>)1/2 15.875