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

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-2809.952321
Energy at 298.15K 
HF Energy-2809.952321
Nuclear repulsion energy256.337874
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' 3155 3025 19.71 89.88 0.26 0.42
2 A' 1293 1240 96.72 3.56 0.69 0.82
3 A' 1123 1076 265.05 1.49 0.27 0.43
4 A' 691 662 127.39 11.08 0.25 0.40
5 A' 564 541 8.07 2.09 0.33 0.50
6 A' 304 291 1.10 5.26 0.32 0.49
7 A" 1385 1328 26.11 4.97 0.75 0.86
8 A" 1169 1121 192.81 2.23 0.75 0.86
9 A" 303 291 0.47 1.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4993.5 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 4787.3 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
0.33559 0.09456 0.07705

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 -0.430 -0.926 0.000
H2 -1.518 -0.978 0.000
Br3 0.077 0.969 0.000
F4 0.077 -1.522 1.093
F5 0.077 -1.522 -1.093

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08901.96251.34381.3438
H21.08902.51702.00842.0084
Br31.96252.51702.72032.7203
F41.34382.00842.72032.1858
F51.34382.00842.72032.1858

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 107.679 H2 C1 F4 110.854
H2 C1 F5 110.854 Br3 C1 F4 109.294
Br3 C1 F5 109.294 F4 C1 F5 108.836
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 0.440      
2 H 0.160      
3 Br -0.127      
4 F -0.236      
5 F -0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.366 -0.381 0.000 1.418
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 3.533 0.483 0.000
y 0.483 5.737 0.000
z 0.000 0.000 3.560


<r2> (average value of r2) Å2
<r2> 126.682
(<r2>)1/2 11.255