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All results from a given calculation for CH2BrF (Methane, bromofluoro-)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-2710.965902
Energy at 298.15K-2710.971348
HF Energy-2710.965902
Nuclear repulsion energy164.987996
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 mPW1PW91/6-31G**
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' 3128 2977 18.72      
2 A' 1520 1447 0.57      
3 A' 1354 1288 61.89      
4 A' 1153 1098 177.77      
5 A' 645 614 69.02      
6 A' 312 297 0.46      
7 A" 3216 3060 9.22      
8 A" 1267 1206 2.48      
9 A" 951 905 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 6773.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 6444.6 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 mPW1PW91/6-31G**
ABC
1.35450 0.12434 0.11648

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.510 -1.121 0.000
F2 -0.583 -1.914 0.000
Br3 0.000 0.758 0.000
H4 1.093 -1.281 0.905
H5 1.093 -1.281 -0.905

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.35011.94681.08861.0886
F21.35012.73462.00732.0073
Br31.94682.73462.48402.4840
H41.08862.00732.48401.8105
H51.08862.00732.48401.8105

picture of Methane, bromofluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 110.781 F2 C1 H4 110.333
F2 C1 H5 110.333 Br3 C1 H4 106.373
Br3 C1 H5 106.373 H4 C1 H5 112.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.065      
2 F -0.268      
3 Br -0.138      
4 H 0.170      
5 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.616 -0.825 0.000 1.814
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.674 -2.985 0.000
y -2.985 -29.113 0.000
z 0.000 0.000 -28.800
Traceless
 xyz
x 0.282 -2.985 0.000
y -2.985 -0.376 0.000
z 0.000 0.000 0.094
Polar
3z2-r20.188
x2-y20.439
xy-2.985
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.485 -0.428 0.000
y -0.428 5.492 0.000
z 0.000 0.000 3.333


<r2> (average value of r2) Å2
<r2> 90.561
(<r2>)1/2 9.516