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

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-2798.982332
Energy at 298.15K 
HF Energy-2798.982332
Nuclear repulsion energy254.114141
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' 3149 3041 29.19 88.71 0.28 0.43
2 A' 1309 1264 95.43 5.90 0.75 0.86
3 A' 1082 1044 196.63 2.24 0.17 0.29
4 A' 692 668 129.28 11.30 0.26 0.42
5 A' 530 512 9.15 2.48 0.40 0.57
6 A' 300 290 0.14 4.99 0.38 0.55
7 A" 1386 1339 20.26 7.62 0.75 0.86
8 A" 1154 1115 132.58 2.87 0.75 0.86
9 A" 284 274 1.05 2.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4942.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 4773.3 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/3-21G*
ABC
0.31920 0.09417 0.07595

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 -0.436 -0.914 0.000
H2 -1.522 -0.956 0.000
Br3 0.078 0.970 0.000
F4 0.078 -1.529 1.122
F5 0.078 -1.529 -1.122

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08681.95311.37911.3791
H21.08682.50362.03652.0365
Br31.95312.50362.73972.7397
F41.37912.03652.73972.2449
F51.37912.03652.73972.2449

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 107.442 H2 C1 F4 110.803
H2 C1 F5 110.803 Br3 C1 F4 109.404
Br3 C1 F5 109.404 F4 C1 F5 108.957
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 0.325      
2 H 0.254      
3 Br -0.056      
4 F -0.261      
5 F -0.261      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.504 0.057 0.000 1.505
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 2.923 0.477 0.000
y 0.477 5.159 0.000
z 0.000 0.000 3.039


<r2> (average value of r2) Å2
<r2> 128.290
(<r2>)1/2 11.327