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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-2710.713802
Energy at 298.15K-2710.719205
HF Energy-2710.713802
Nuclear repulsion energy163.744542
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 TPSSh/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' 3119 2992 20.96      
2 A' 1538 1475 0.63      
3 A' 1352 1297 72.43      
4 A' 1117 1072 179.11      
5 A' 617 592 74.46      
6 A' 299 287 0.61      
7 A" 3206 3075 13.00      
8 A" 1259 1208 2.58      
9 A" 942 904 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 6723.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 6450.6 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 TPSSh/6-31G*
ABC
1.33792 0.12236 0.11465

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.515 -1.132 0.000
F2 -0.587 -1.929 0.000
Br3 0.000 0.764 0.000
H4 1.094 -1.290 0.909
H5 1.094 -1.290 -0.909

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.36021.96421.08871.0887
F21.36022.75612.01422.0142
Br31.96422.75612.49792.4979
H41.08872.01422.49791.8176
H51.08872.01422.49791.8176

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 110.689 F2 C1 H4 110.178
F2 C1 H5 110.178 Br3 C1 H4 106.239
Br3 C1 H5 106.239 H4 C1 H5 113.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 F -0.256      
3 Br -0.138      
4 H 0.202      
5 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.614 -0.895 0.000 1.845
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.503 -0.419 0.000
y -0.419 5.612 0.000
z 0.000 0.000 3.340


<r2> (average value of r2) Å2
<r2> 91.699
(<r2>)1/2 9.576