return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-2805.964967
Energy at 298.15K-2805.969779
HF Energy-2805.964967
Nuclear repulsion energy253.513495
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 LSDA/6-31G
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' 3111 3048 14.35      
2 A' 1234 1209 63.46      
3 A' 1071 1049 227.07      
4 A' 664 650 127.06      
5 A' 525 514 14.38      
6 A' 294 288 0.91      
7 A" 1304 1277 19.08      
8 A" 1131 1108 182.20      
9 A" 293 287 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 4812.8 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 4715.1 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 LSDA/6-31G
ABC
0.32208 0.09324 0.07555

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.438 -0.925 0.000
H2 -1.534 -0.978 0.000
Br3 0.078 0.976 0.000
F4 0.078 -1.534 1.116
F5 0.078 -1.534 -1.116

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09781.96971.37221.3722
H21.09782.53292.03862.0386
Br31.96972.53292.74682.7468
F41.37222.03862.74682.2325
F51.37222.03862.74682.2325

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 107.924 H2 C1 F4 110.758
H2 C1 F5 110.758 Br3 C1 F4 109.252
Br3 C1 F5 109.252 F4 C1 F5 108.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.079      
2 H 0.242      
3 Br 0.106      
4 F -0.214      
5 F -0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.677 0.021 0.000 1.677
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.869 2.110 0.000
y 2.110 -34.513 0.000
z 0.000 0.000 -36.133
Traceless
 xyz
x 3.454 2.110 0.000
y 2.110 -0.512 0.000
z 0.000 0.000 -2.942
Polar
3z2-r2-5.884
x2-y22.644
xy2.110
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.349 0.640 0.000
y 0.640 5.435 0.000
z 0.000 0.000 2.506


<r2> (average value of r2) Å2
<r2> 129.372
(<r2>)1/2 11.374