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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-10046.154240
Energy at 298.15K 
HF Energy-10046.154240
Nuclear repulsion energy874.736394
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 PBEPBEultrafine/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 1094 1084 151.37 1.21 0.67 0.80
2 A 672 666 286.11 2.57 0.55 0.71
3 A 629 624 283.92 4.57 0.50 0.67
4 A 375 371 6.22 10.84 0.05 0.10
5 A 296 293 1.69 5.90 0.75 0.85
6 A 259 256 0.51 5.61 0.75 0.86
7 A 220 218 0.08 12.53 0.25 0.41
8 A 161 159 0.13 7.20 0.67 0.80
9 A 127 126 0.04 6.93 0.65 0.79

Unscaled Zero Point Vibrational Energy (zpe) 1916.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 1898.8 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 PBEPBEultrafine/3-21G
ABC
0.05543 0.02411 0.01957

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.439 0.439 0.399
F2 0.537 0.678 1.747
Cl3 0.750 2.109 -0.490
Br4 1.859 -0.849 -0.156
I5 -1.609 -0.281 -0.081

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.37321.91711.99622.2238
F21.37322.66432.77592.9783
Cl31.91712.66433.17693.3832
Br41.99622.77593.17693.5158
I52.22382.97833.38323.5158

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.984 F2 C1 Br4 109.556
F2 C1 I5 109.508 Cl3 C1 Br4 108.537
Cl3 C1 I5 109.354 Br4 C1 I5 112.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.360      
2 F -0.166      
3 Cl 0.060      
4 Br 0.201      
5 I 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.450 -1.173 -0.046 1.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -66.289 -0.717 0.249
y -0.717 -70.930 0.554
z 0.249 0.554 -70.460
Traceless
 xyz
x 4.406 -0.717 0.249
y -0.717 -2.556 0.554
z 0.249 0.554 -1.850
Polar
3z2-r2-3.700
x2-y24.641
xy-0.717
xz0.249
yz0.554


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.331 0.334 -0.138
y 0.334 8.476 -0.362
z -0.138 -0.362 4.459


<r2> (average value of r2) Å2
<r2> 458.890
(<r2>)1/2 21.422