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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-164.098668
Energy at 298.15K 
HF Energy-164.098668
Nuclear repulsion energy83.769010
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 HF/SDD
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' 3446 3103 2.28 109.33 0.22 0.36
2 A' 1421 1279 31.63 8.19 0.75 0.86
3 A' 1113 1002 218.24 7.84 0.75 0.86
4 A' 640 576 27.37 29.42 0.13 0.23
5 A' 362 326 1.26 9.91 0.25 0.41
6 A' 182 164 0.04 9.33 0.59 0.74
7 A" 1334 1201 127.35 5.07 0.75 0.86
8 A" 753 678 202.25 19.73 0.75 0.86
9 A" 305 274 1.53 4.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4777.4 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 4301.5 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 HF/SDD
ABC
0.17938 0.03933 0.03296

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.108 0.785 0.000
H2 -0.980 1.403 0.000
F3 1.017 1.600 0.000
Br4 -0.108 -0.293 1.637
Br5 -0.108 -0.293 -1.637

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.06941.38881.96001.9600
H21.06942.00692.51342.5134
F31.38882.00692.74342.7434
Br41.96002.51342.74343.2742
Br51.96002.51342.74343.2742

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 108.762 H2 C1 Br4 108.531
H2 C1 Br5 108.531 F3 C1 Br4 108.821
F3 C1 Br5 108.821 Br4 C1 Br5 113.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.246      
2 H 0.304      
3 F -0.292      
4 Br 0.117      
5 Br 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.968 0.130 0.000 1.972
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.560 -3.532 0.000
y -3.532 -41.743 0.000
z 0.000 0.000 -41.598
Traceless
 xyz
x -0.890 -3.532 0.000
y -3.532 0.335 0.000
z 0.000 0.000 0.554
Polar
3z2-r21.108
x2-y2-0.817
xy-3.532
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.371 0.225 0.000
y 0.225 4.104 0.000
z 0.000 0.000 8.781


<r2> (average value of r2) Å2
<r2> 104.126
(<r2>)1/2 10.204