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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-9985.367332
Energy at 298.15K 
HF Energy-9985.367332
Nuclear repulsion energy896.418188
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 HF/STO-3G
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 1362 1112 93.64 8.15 0.35 0.52
2 A 960 784 198.25 13.82 0.71 0.83
3 A 916 748 202.28 18.02 0.74 0.85
4 A 495 404 8.95 10.98 0.02 0.04
5 A 365 298 1.91 3.36 0.62 0.76
6 A 318 260 2.09 3.57 0.70 0.82
7 A 272 222 1.41 7.15 0.26 0.42
8 A 198 162 1.24 3.87 0.68 0.81
9 A 157 128 0.23 3.77 0.65 0.79

Unscaled Zero Point Vibrational Energy (zpe) 2521.4 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 2058.7 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 HF/STO-3G
ABC
0.05845 0.02527 0.02055

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.429 0.430 0.368
F2 0.541 0.675 1.706
Cl3 0.736 2.047 -0.483
Br4 1.813 -0.830 -0.151
I5 -1.574 -0.272 -0.077

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.36511.85271.94262.1682
F21.36512.59102.70792.9232
Cl31.85272.59103.09033.2984
Br41.94262.70793.09033.4330
I52.16822.92323.29843.4330

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.273 F2 C1 Br4 108.648
F2 C1 I5 109.549 Cl3 C1 Br4 109.004
Cl3 C1 I5 109.984 Br4 C1 I5 113.143
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.076      
2 F -0.095      
3 Cl -0.150      
4 Br 0.050      
5 I 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.385 -1.171 0.549 1.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.434 -0.927 0.354
y -0.927 -67.433 0.813
z 0.354 0.813 -64.928
Traceless
 xyz
x 1.747 -0.927 0.354
y -0.927 -2.753 0.813
z 0.354 0.813 1.006
Polar
3z2-r22.012
x2-y23.000
xy-0.927
xz0.354
yz0.813


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.272 0.305 0.003
y 0.305 4.198 -0.190
z 0.003 -0.190 1.788


<r2> (average value of r2) Å2
<r2> 436.785
(<r2>)1/2 20.899