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 CHFClI (fluorochloroiodomethane)

using model chemistry: B2PLYP/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/cc-pVTZ-PP
 hartrees
Energy at 0K-894.046906
Energy at 298.15K 
HF Energy-893.782320
Nuclear repulsion energy243.813838
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 B2PLYP/cc-pVTZ-PP
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 3172 3172 0.66 77.33 0.23 0.37
2 A 1335 1335 10.93 3.88 0.61 0.76
3 A 1200 1200 86.50 5.38 0.24 0.39
4 A 1091 1091 191.64 2.94 0.49 0.66
5 A 763 763 188.37 4.84 0.74 0.85
6 A 593 593 44.23 17.05 0.15 0.26
7 A 415 415 0.39 4.32 0.23 0.37
8 A 271 271 0.01 4.64 0.34 0.51
9 A 191 191 0.00 5.40 0.41 0.58

Unscaled Zero Point Vibrational Energy (zpe) 4515.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4515.0 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 B2PLYP/cc-pVTZ-PP
ABC
0.20887 0.04827 0.04020

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ-PP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.996 0.477 0.417
H2 1.064 0.612 1.488
F3 1.273 1.638 -0.210
Cl4 2.165 -0.757 -0.071
I5 -1.043 -0.101 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08201.34831.76832.1632
H21.08201.99522.34822.6862
F31.34831.99522.55932.9029
Cl41.76832.34822.55933.2749
I52.16322.68622.90293.2749

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.878 H2 C1 Cl4 108.534
H2 C1 I5 106.961 F3 C1 Cl4 109.673
F3 C1 I5 109.315 Cl4 C1 I5 112.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.098      
2 H 0.131      
3 F -0.158      
4 Cl -0.084      
5 I 0.013      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.187 -0.078 1.131 1.149
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.743 0.203 1.834
y 0.203 -52.084 1.367
z 1.834 1.367 -49.360
Traceless
 xyz
x 0.979 0.203 1.834
y 0.203 -2.533 1.367
z 1.834 1.367 1.554
Polar
3z2-r23.108
x2-y22.341
xy0.203
xz1.834
yz1.367


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.905 -0.320 0.122
y -0.320 7.053 0.258
z 0.122 0.258 6.111


<r2> (average value of r2) Å2
<r2> 199.648
(<r2>)1/2 14.130