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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-66.840239
Energy at 298.15K-66.845232
HF Energy-66.840239
Nuclear repulsion energy66.780199
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/CEP-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' 3442 3102 18.54      
2 A' 1418 1278 134.23      
3 A' 1135 1023 288.17      
4 A' 756 681 109.68      
5 A' 568 512 13.62      
6 A' 334 301 2.65      
7 A" 1460 1316 20.93      
8 A" 1183 1066 241.88      
9 A" 321 289 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 5307.7 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 4784.3 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/CEP-31G
ABC
0.32557 0.09347 0.07587

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.441 -0.905 0.000
H2 -1.514 -1.003 0.000
Br3 0.079 0.974 0.000
F4 0.079 -1.536 1.110
F5 0.079 -1.536 -1.110

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.07681.94951.37851.3785
H21.07682.53812.01282.0128
Br31.94952.53812.74462.7446
F41.37852.01282.74462.2196
F51.37852.01282.74462.2196

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 110.662 H2 C1 F4 109.514
H2 C1 F5 109.514 Br3 C1 F4 109.925
Br3 C1 F5 109.925 F4 C1 F5 107.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.077      
2 H 0.235      
3 Br 0.154      
4 F -0.233      
5 F -0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.178 0.919 0.000 2.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.568 2.976 0.000
y 2.976 -33.008 0.000
z 0.000 0.000 -34.852
Traceless
 xyz
x 5.361 2.976 0.000
y 2.976 -1.298 0.000
z 0.000 0.000 -4.063
Polar
3z2-r2-8.127
x2-y24.440
xy2.976
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.976 0.708 0.000
y 0.708 5.322 0.000
z 0.000 0.000 2.130


<r2> (average value of r2) Å2
<r2> 84.483
(<r2>)1/2 9.191