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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-33.187257
Energy at 298.15K 
HF Energy-33.187257
Nuclear repulsion energy32.281089
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 B3LYP/CEP-121G
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' 3105 3025 10.20 111.34 0.07 0.13
2 A' 1430 1393 0.14 22.01 0.59 0.74
3 A' 1239 1207 84.33 5.22 0.28 0.44
4 A' 657 640 127.46 12.08 0.44 0.61
5 A' 513 500 28.41 24.61 0.27 0.42
6 A' 187 182 0.18 14.87 0.55 0.71
7 A" 3218 3136 1.81 59.69 0.75 0.86
8 A" 1125 1096 0.39 22.52 0.75 0.86
9 A" 802 781 11.47 9.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6137.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 5980.5 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 B3LYP/CEP-121G
ABC
0.88065 0.04972 0.04750

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.826 -1.078 0.000
Cl2 -0.458 -2.433 0.000
I3 0.000 0.947 0.000
H4 1.415 -1.187 0.907
H5 1.415 -1.187 -0.907

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.86682.18661.08741.0874
Cl21.86683.41102.42582.4258
I32.18663.41102.71652.7165
H41.08742.42582.71651.8146
H51.08742.42582.71651.8146

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 114.372 Cl2 C1 H4 107.443
Cl2 C1 H5 107.443 I3 C1 H4 107.317
I3 C1 H5 107.317 H4 C1 H5 113.099
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.713      
2 Cl 0.018      
3 I 0.185      
4 H 0.255      
5 H 0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.941 0.392 0.000 1.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.451 -3.445 0.000
y -3.445 -40.977 0.000
z 0.000 0.000 -39.105
Traceless
 xyz
x 2.590 -3.445 0.000
y -3.445 -2.699 0.000
z 0.000 0.000 0.109
Polar
3z2-r20.218
x2-y23.526
xy-3.445
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.119 -0.148 0.000
y -0.148 10.153 0.000
z 0.000 0.000 2.620


<r2> (average value of r2) Å2
<r2> 89.493
(<r2>)1/2 9.460