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

using model chemistry: HF/CEP-121G

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-121G
 hartrees
Energy at 0K-66.844088
Energy at 298.15K-66.849098
HF Energy-66.844088
Nuclear repulsion energy66.822217
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-121G
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' 3373 3078 13.73      
2 A' 1415 1292 136.33      
3 A' 1132 1033 301.46      
4 A' 754 688 111.31      
5 A' 565 515 12.97      
6 A' 333 304 2.37      
7 A" 1455 1328 23.61      
8 A" 1179 1075 247.94      
9 A" 320 292 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 5262.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 4802.1 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-121G
ABC
0.32619 0.09348 0.07591

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.441 -0.906 0.000
H2 -1.512 -0.999 0.000
Br3 0.078 0.974 0.000
F4 0.078 -1.536 1.109
F5 0.078 -1.536 -1.109

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.07451.95021.37731.3773
H21.07452.53412.01172.0117
Br31.95022.53412.74392.7439
F41.37732.01172.74392.2174
F51.37732.01172.74392.2174

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 110.445 H2 C1 F4 109.652
H2 C1 F5 109.652 Br3 C1 F4 109.907
Br3 C1 F5 109.907 F4 C1 F5 107.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.105      
2 H 0.209      
3 Br 0.175      
4 F -0.245      
5 F -0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.148 0.868 0.000 2.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.622 2.890 0.000
y 2.890 -32.840 0.000
z 0.000 0.000 -34.695
Traceless
 xyz
x 5.145 2.890 0.000
y 2.890 -1.181 0.000
z 0.000 0.000 -3.964
Polar
3z2-r2-7.927
x2-y24.217
xy2.890
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.153 0.662 0.000
y 0.662 5.360 0.000
z 0.000 0.000 2.223


<r2> (average value of r2) Å2
<r2> 84.377
(<r2>)1/2 9.186