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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-8301.064047
Energy at 298.15K 
HF Energy-8300.968193
Nuclear repulsion energy740.047086
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/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 A1 692 692 143.88 7.04 0.36 0.53
2 A1 357 357 0.09 22.63 0.01 0.02
3 A1 202 202 1.05 10.11 0.48 0.65
4 E 665 665 142.29 7.64 0.75 0.86
4 E 665 665 142.29 7.64 0.75 0.86
5 E 263 263 0.00 8.91 0.75 0.86
5 E 263 263 0.00 8.91 0.75 0.86
6 E 163 163 0.02 6.55 0.75 0.86
6 E 163 163 0.02 6.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1716.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1716.9 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 B2PLYP/3-21G
ABC
0.05247 0.02623 0.02623

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.736
I2 0.000 0.000 1.450
Cl3 0.000 1.750 -1.420
Cl4 1.515 -0.875 -1.420
Cl5 -1.515 -0.875 -1.420

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.18621.87881.87881.8788
I22.18623.36153.36153.3615
Cl31.87883.36153.03103.0310
Cl41.87883.36153.03103.0310
Cl51.87883.36153.03103.0310

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 111.345 I2 C1 Cl4 111.345
I2 C1 Cl5 111.345 Cl3 C1 Cl4 107.534
Cl3 C1 Cl5 107.534 Cl4 C1 Cl5 107.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.756      
2 I 0.366      
3 Cl 0.130      
4 Cl 0.130      
5 Cl 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.701 1.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -73.896 0.000 0.000
y 0.000 -73.896 0.000
z 0.000 0.000 -70.577
Traceless
 xyz
x -1.659 0.000 0.000
y 0.000 -1.659 0.000
z 0.000 0.000 3.318
Polar
3z2-r26.636
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.611 0.000 0.000
y 0.000 7.611 0.000
z 0.000 0.000 10.424


<r2> (average value of r2) Å2
<r2> 419.160
(<r2>)1/2 20.473