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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G*
 hartrees
Energy at 0K-10046.903247
Energy at 298.15K 
HF Energy-10046.903247
Nuclear repulsion energy906.107612
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 PBE1PBE/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 1102 1058 101.51 3.23 0.54 0.70
2 A 748 718 198.13 3.29 0.73 0.84
3 A 732 703 238.06 11.38 0.55 0.71
4 A 435 418 1.36 9.29 0.04 0.07
5 A 314 302 0.08 3.30 0.55 0.71
6 A 266 256 0.40 3.24 0.75 0.86
7 A 247 237 0.21 7.80 0.20 0.34
8 A 178 171 0.01 3.71 0.62 0.77
9 A 135 129 0.05 3.17 0.59 0.74

Unscaled Zero Point Vibrational Energy (zpe) 2079.0 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 1995.4 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 PBE1PBE/3-21G*
ABC
0.05913 0.02600 0.02115

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.449 0.475 0.354
F2 0.542 0.712 1.708
Cl3 0.763 2.003 -0.505
Br4 1.767 -0.843 -0.143
I5 -1.554 -0.260 -0.074

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.37731.78041.92962.1761
F21.37732.57152.71012.9175
Cl31.78042.57153.04003.2672
Br41.92962.71013.04003.3720
I52.17612.91753.26723.3720

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 108.367 F2 C1 Br4 108.930
F2 C1 I5 108.272 Cl3 C1 Br4 109.986
Cl3 C1 I5 110.936 Br4 C1 I5 110.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.061      
2 F -0.240      
3 Cl 0.084      
4 Br 0.060      
5 I 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.298 -0.632 -0.606 0.925
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -65.086 -0.189 -0.169
y -0.189 -68.404 -0.196
z -0.169 -0.196 -70.783
Traceless
 xyz
x 4.507 -0.189 -0.169
y -0.189 -0.470 -0.196
z -0.169 -0.196 -4.038
Polar
3z2-r2-8.075
x2-y23.318
xy-0.189
xz-0.169
yz-0.196


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.558 0.259 -0.161
y 0.259 9.369 -0.339
z -0.161 -0.339 6.547


<r2> (average value of r2) Å2
<r2> 428.428
(<r2>)1/2 20.698