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

using model chemistry: TPSSh/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 TPSSh/3-21G
 hartrees
Energy at 0K-2700.039127
Energy at 298.15K-2700.044497
HF Energy-2700.039127
Nuclear repulsion energy159.488468
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/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' 3109 3012 21.57      
2 A' 1548 1500 0.73      
3 A' 1352 1310 56.47      
4 A' 1090 1056 139.93      
5 A' 600 581 67.97      
6 A' 279 270 1.38      
7 A" 3191 3091 19.58      
8 A" 1241 1203 1.10      
9 A" 933 904 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 6670.9 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 6462.8 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/3-21G
ABC
1.29332 0.11538 0.10818

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.527 -1.168 0.000
F2 -0.599 -1.989 0.000
Br3 0.000 0.786 0.000
H4 1.113 -1.304 0.907
H5 1.113 -1.304 -0.907

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.39332.02391.08841.0884
F21.39332.83962.05472.0547
Br32.02392.83962.53572.5357
H41.08842.05472.53571.8138
H51.08842.05472.53571.8138

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 111.046 F2 C1 H4 111.178
F2 C1 H5 111.178 Br3 C1 H4 105.118
Br3 C1 H5 105.118 H4 C1 H5 112.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.276      
2 F -0.257      
3 Br 0.011      
4 H 0.261      
5 H 0.261      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.883 -0.870 0.000 2.075
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 2.229 -0.592 0.000
y -0.592 5.346 0.000
z 0.000 0.000 1.968


<r2> (average value of r2) Å2
<r2> 96.102
(<r2>)1/2 9.803