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-2806.168849
Energy at 298.15K-2806.173752
HF Energy-2806.168849
Nuclear repulsion energy259.058252
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' 3056 2999 19.44      
2 A' 1248 1225 82.63      
3 A' 1155 1134 248.23      
4 A' 696 683 116.61      
5 A' 573 562 8.68      
6 A' 308 302 1.01      
7 A" 1353 1328 48.19      
8 A" 1200 1177 161.65      
9 A" 304 298 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 4945.9 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 4853.4 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
0.34175 0.09679 0.07883

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 -0.425 -0.919 0.000
H2 -1.526 -0.967 0.000
Br3 0.077 0.958 0.000
F4 0.077 -1.503 1.082
F5 0.077 -1.503 -1.082

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.10281.94241.32831.3283
H21.10282.50492.00742.0074
Br31.94242.50492.68852.6885
F41.32832.00742.68852.1645
F51.32832.00742.68852.1645

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 107.459 H2 C1 F4 110.983
H2 C1 F5 110.983 Br3 C1 F4 109.121
Br3 C1 F5 109.121 F4 C1 F5 109.125
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 0.268      
2 H 0.197      
3 Br -0.116      
4 F -0.174      
5 F -0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.253 -0.456 0.000 1.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.763 1.797 0.000
y 1.797 -32.954 0.000
z 0.000 0.000 -34.786
Traceless
 xyz
x 2.107 1.797 0.000
y 1.797 0.321 0.000
z 0.000 0.000 -2.428
Polar
3z2-r2-4.855
x2-y21.191
xy1.797
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.562 0.483 0.000
y 0.483 5.673 0.000
z 0.000 0.000 3.537


<r2> (average value of r2) Å2
<r2> 124.308
(<r2>)1/2 11.149