return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: B1B95/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/Def2TZVPP
 hartrees
Energy at 0K-3173.334262
Energy at 298.15K-3173.338940
HF Energy-3173.334262
Nuclear repulsion energy323.456498
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 B1B95/Def2TZVPP
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 3175 3175 1.11 77.31 0.22 0.37
2 A 1332 1332 12.19 3.18 0.67 0.80
3 A 1224 1224 61.93 1.88 0.41 0.58
4 A 1122 1122 195.77 1.39 0.75 0.86
5 A 790 790 199.71 3.85 0.71 0.83
6 A 665 665 57.05 11.30 0.12 0.22
7 A 430 430 0.78 4.07 0.23 0.37
8 A 315 315 0.05 2.96 0.48 0.64
9 A 222 222 0.04 3.81 0.49 0.65

Unscaled Zero Point Vibrational Energy (zpe) 4637.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4637.2 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 B1B95/Def2TZVPP
ABC
0.21762 0.06782 0.05340

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.573 0.457 0.408
Br2 -1.197 -0.183 -0.028
Cl3 1.813 -0.683 -0.067
F4 0.780 1.631 -0.201
H5 0.612 0.589 1.482

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93161.75061.33851.0823
Br21.93163.05162.68852.4792
Cl31.75063.05162.53712.3367
F41.33852.68852.53711.9866
H51.08232.47922.33671.9866

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.845 Br2 C1 F4 109.253
Br2 C1 H5 107.305 Cl3 C1 F4 109.714
Cl3 C1 H5 108.844 F4 C1 H5 109.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.095      
2 Br -0.055      
3 Cl -0.054      
4 F -0.142      
5 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.083 -0.068 1.203 1.208
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.120 -0.054 1.042
y -0.054 -42.718 1.389
z 1.042 1.389 -39.947
Traceless
 xyz
x 0.213 -0.054 1.042
y -0.054 -2.184 1.389
z 1.042 1.389 1.972
Polar
3z2-r23.943
x2-y21.598
xy-0.054
xz1.042
yz1.389


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.662 -0.223 0.071
y -0.223 5.922 0.229
z 0.071 0.229 5.099


<r2> (average value of r2) Å2
<r2> 177.915
(<r2>)1/2 13.338