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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-7346.404814
Energy at 298.15K 
HF Energy-7346.404814
Nuclear repulsion energy285.302036
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 PBE1PBE/STO-3G
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' 3392 2992 0.84 40.94 0.14 0.24
2 A' 1607 1418 0.64 15.14 0.71 0.83
3 A' 1344 1186 55.42 2.12 0.73 0.84
4 A' 854 753 78.18 8.30 0.44 0.61
5 A' 630 556 15.20 12.55 0.22 0.37
6 A' 212 187 1.36 5.82 0.56 0.71
7 A" 3521 3106 0.73 32.17 0.75 0.86
8 A" 1245 1098 0.12 12.53 0.75 0.86
9 A" 864 762 0.10 2.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6834.3 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 6028.6 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 PBE1PBE/STO-3G
ABC
0.92836 0.05158 0.04933

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.793 -1.045 0.000
Cl2 -0.446 -2.390 0.000
I3 0.000 0.930 0.000
H4 1.412 -1.189 0.900
H5 1.412 -1.189 -0.900

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.82862.12771.10201.1020
Cl21.82863.34972.38852.3885
I32.12773.34972.70082.7008
H41.10202.38852.70081.7991
H51.10202.38852.70081.7991

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 115.497 Cl2 C1 H4 106.535
Cl2 C1 H5 106.535 I3 C1 H4 109.339
I3 C1 H5 109.339 H4 C1 H5 109.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.203      
2 Cl -0.133      
3 I 0.075      
4 H 0.131      
5 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.894 0.404 0.000 1.937
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.902 -2.811 0.000
y -2.811 -48.171 0.000
z 0.000 0.000 -43.924
Traceless
 xyz
x 3.146 -2.811 0.000
y -2.811 -4.759 0.000
z 0.000 0.000 1.613
Polar
3z2-r23.226
x2-y25.270
xy-2.811
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.857 -0.036 0.000
y -0.036 5.191 0.000
z 0.000 0.000 1.003


<r2> (average value of r2) Å2
<r2> 193.175
(<r2>)1/2 13.899