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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

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 C1 1A
Energy calculated at TPSSh/3-21G*
 hartrees
Energy at 0K-3157.786869
Energy at 298.15K-3157.791398
HF Energy-3157.786869
Nuclear repulsion energy317.672783
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 3166 3057 6.04 84.31 0.28 0.43
2 A 1327 1281 12.99 7.96 0.75 0.85
3 A 1247 1204 64.02 6.25 0.73 0.85
4 A 1086 1049 128.90 1.54 0.55 0.71
5 A 682 659 247.45 5.17 0.60 0.75
6 A 649 627 43.11 10.84 0.12 0.21
7 A 384 371 2.54 6.23 0.28 0.44
8 A 287 277 0.04 3.38 0.65 0.79
9 A 217 209 0.16 5.72 0.53 0.69

Unscaled Zero Point Vibrational Energy (zpe) 4522.3 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 4367.2 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
0.20297 0.06645 0.05173

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.563 0.477 0.426
Br2 -1.208 -0.189 -0.030
Cl3 1.832 -0.707 -0.069
F4 0.794 1.689 -0.205
H5 0.610 0.578 1.506

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94611.80521.38641.0863
Br21.94613.08462.75142.5006
Cl31.80523.08462.61552.3727
F41.38642.75142.61552.0486
H51.08632.50062.37272.0486

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 110.572 Br2 C1 F4 110.169
Br2 C1 H5 107.707 Cl3 C1 F4 109.369
Cl3 C1 H5 107.680 F4 C1 H5 111.309
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 -0.071      
2 Br 0.002      
3 Cl 0.013      
4 F -0.241      
5 H 0.297      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.369 0.029 1.407 1.455
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 7.301 -0.324 0.049
y -0.324 4.607 0.294
z 0.049 0.294 3.567


<r2> (average value of r2) Å2
<r2> 182.899
(<r2>)1/2 13.524