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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-2796.295947
Energy at 298.15K-2796.300996
HF Energy-2796.295947
Nuclear repulsion energy258.209059
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/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' 3396 3065 22.30      
2 A' 1460 1318 140.30      
3 A' 1200 1083 228.02      
4 A' 780 704 129.26      
5 A' 585 528 12.33      
6 A' 343 309 1.35      
7 A" 1531 1382 29.84      
8 A" 1288 1163 142.24      
9 A" 324 292 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 5453.7 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 4922.5 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/3-21G*
ABC
0.33189 0.09692 0.07836

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.430 -0.895 0.000
H2 -1.496 -0.960 0.000
Br3 0.077 0.956 0.000
F4 0.077 -1.508 1.100
F5 0.077 -1.508 -1.100

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.06801.91971.35751.3575
H21.06802.47911.99631.9963
Br31.91972.47912.69882.6988
F41.35751.99632.69882.2005
F51.35751.99632.69882.2005

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 108.775 H2 C1 F4 110.206
H2 C1 F5 110.206 Br3 C1 F4 109.679
Br3 C1 F5 109.679 F4 C1 F5 108.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.562      
2 H 0.257      
3 Br -0.062      
4 F -0.379      
5 F -0.379      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.795 0.611 0.000 1.896
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.433 2.603 0.000
y 2.603 -34.466 0.000
z 0.000 0.000 -36.624
Traceless
 xyz
x 4.112 2.603 0.000
y 2.603 -0.438 0.000
z 0.000 0.000 -3.674
Polar
3z2-r2-7.349
x2-y23.034
xy2.603
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.765 0.465 0.000
y 0.465 4.641 0.000
z 0.000 0.000 2.773


<r2> (average value of r2) Å2
<r2> 125.470
(<r2>)1/2 11.201