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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-10047.498874
Energy at 298.15K 
HF Energy-10047.498874
Nuclear repulsion energy882.282962
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 B3PW91/3-21G
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 1116 1073 151.85      
2 A 712 684 257.23      
3 A 675 649 261.14      
4 A 390 375 5.06      
5 A 308 296 0.57      
6 A 270 260 0.06      
7 A 231 222 0.08      
8 A 169 162 0.23      
9 A 132 127 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 2001.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 1923.4 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 B3PW91/3-21G
ABC
0.05650 0.02451 0.01989

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.431 0.438 0.385
F2 0.532 0.674 1.729
Cl3 0.742 2.090 -0.484
Br4 1.846 -0.841 -0.154
I5 -1.596 -0.279 -0.080

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.36831.89211.98192.2007
F21.36832.63552.75092.9511
Cl31.89212.63553.14953.3534
Br41.98192.75093.14953.4892
I52.20072.95113.35343.4892

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.768 F2 C1 Br4 109.018
F2 C1 I5 109.332 Cl3 C1 Br4 108.755
Cl3 C1 I5 109.810 Br4 C1 I5 112.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 F -0.212      
3 Cl 0.076      
4 Br 0.209      
5 I 0.293      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.579 -1.188 -0.299 1.355
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -66.172 -0.657 0.104
y -0.657 -70.846 0.346
z 0.104 0.346 -70.935
Traceless
 xyz
x 4.719 -0.657 0.104
y -0.657 -2.293 0.346
z 0.104 0.346 -2.426
Polar
3z2-r2-4.851
x2-y24.675
xy-0.657
xz0.104
yz0.346


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.807 0.306 -0.143
y 0.306 8.133 -0.358
z -0.143 -0.358 4.266


<r2> (average value of r2) Å2
<r2> 452.040
(<r2>)1/2 21.261