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: HSEh1PBE/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 HSEh1PBE/cc-pVTZ-PP
 hartrees
Energy at 0K-894.268757
Energy at 298.15K 
HF Energy-894.268757
Nuclear repulsion energy244.750893
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 HSEh1PBE/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 3160 3160 0.55 77.95 0.23 0.37
2 A 1326 1326 10.23 3.85 0.62 0.77
3 A 1190 1190 77.81 5.30 0.23 0.37
4 A 1115 1115 200.84 2.91 0.44 0.61
5 A 776 776 193.47 4.55 0.71 0.83
6 A 595 595 46.80 17.34 0.14 0.25
7 A 421 421 0.39 3.98 0.23 0.38
8 A 273 273 0.01 4.60 0.33 0.50
9 A 191 191 0.00 5.34 0.40 0.58

Unscaled Zero Point Vibrational Energy (zpe) 4522.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4522.9 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 HSEh1PBE/cc-pVTZ-PP
ABC
0.21062 0.04861 0.04050

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ-PP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.997 0.475 0.413
H2 1.061 0.609 1.488
F3 1.272 1.630 -0.210
Cl4 2.155 -0.755 -0.070
I5 -1.040 -0.100 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08531.34071.75742.1598
H21.08531.99272.34222.6801
F31.34071.99272.54732.8938
Cl41.75742.34222.54733.2618
I52.15982.68012.89383.2618

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.003 H2 C1 Cl4 108.645
H2 C1 I5 106.615 F3 C1 Cl4 109.887
F3 C1 I5 109.281 Cl4 C1 I5 112.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.098      
2 H 0.115      
3 F -0.141      
4 Cl -0.080      
5 I 0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.089 -0.030 1.119 1.123
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.367 0.255 1.816
y 0.255 -51.698 1.352
z 1.816 1.352 -49.111
Traceless
 xyz
x 1.038 0.255 1.816
y 0.255 -2.459 1.352
z 1.816 1.352 1.421
Polar
3z2-r22.842
x2-y22.331
xy0.255
xz1.816
yz1.352


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.015 -0.329 0.120
y -0.329 7.134 0.257
z 0.120 0.257 6.215


<r2> (average value of r2) Å2
<r2> 198.199
(<r2>)1/2 14.078