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All results from a given calculation for CH2BrI (bromoiodomethane)

using model chemistry: M06-2X/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/Def2TZVPP
 hartrees
Energy at 0K-2911.120880
Energy at 298.15K 
HF Energy-2911.120880
Nuclear repulsion energy262.163980
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 M06-2X/Def2TZVPP
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' 3164 3164 0.25 98.35 0.05 0.10
2 A' 1440 1440 0.12 13.77 0.56 0.72
3 A' 1193 1193 85.20 2.72 0.29 0.45
4 A' 663 663 62.94 7.95 0.75 0.86
5 A' 549 549 3.34 22.53 0.13 0.23
6 A' 147 147 0.08 4.47 0.39 0.56
7 A" 3250 3250 4.61 46.21 0.75 0.86
8 A" 1112 1112 0.00 1.76 0.75 0.86
9 A" 777 777 5.97 0.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6147.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6147.7 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 M06-2X/Def2TZVPP
ABC
0.82219 0.02963 0.02876

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.081 0.000
Br2 1.887 0.702 0.000
I3 -1.238 -0.648 0.000
H4 -0.228 1.642 0.895
H5 -0.228 1.642 -0.895

Atom - Atom Distances (Å)
  C1 Br2 I3 H4 H5
C11.92492.12581.08071.0807
Br21.92493.40362.48212.4821
I32.12583.40362.65722.6572
H41.08072.48212.65721.7901
H51.08072.48212.65721.7901

picture of bromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 I3 114.241 Br2 C1 H4 108.028
Br2 C1 H5 108.028 I3 C1 H4 107.393
I3 C1 H5 107.393 H4 C1 H5 111.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.309      
2 Br -0.084      
3 I -0.043      
4 H 0.218      
5 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.724 1.162 0.000 1.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.979 -0.388 0.000
y -0.388 -48.989 0.000
z 0.000 0.000 -52.062
Traceless
 xyz
x -2.453 -0.388 0.000
y -0.388 3.532 0.000
z 0.000 0.000 -1.078
Polar
3z2-r2-2.157
x2-y2-3.990
xy-0.388
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.774 2.066 0.000
y 2.066 8.749 0.000
z 0.000 0.000 6.748


<r2> (average value of r2) Å2
<r2> 236.828
(<r2>)1/2 15.389