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All results from a given calculation for CH2BrI (bromoiodomethane)

using model chemistry: LSDA/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/cc-pVTZ-PP
 hartrees
Energy at 0K-751.694396
Energy at 298.15K 
HF Energy-751.694396
Nuclear repulsion energy203.203740
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 LSDA/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' 3056 3056 0.35 94.16 0.06 0.11
2 A' 1347 1347 0.35 13.26 0.60 0.75
3 A' 1112 1112 57.17 1.32 0.13 0.22
4 A' 638 638 76.89 2.79 0.72 0.84
5 A' 536 536 6.16 16.83 0.09 0.17
6 A' 139 139 0.04 5.31 0.37 0.54
7 A" 3144 3144 6.81 45.59 0.75 0.86
8 A" 1036 1036 0.08 2.23 0.75 0.86
9 A" 737 737 6.63 1.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5872.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5872.7 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 LSDA/cc-pVTZ-PP
ABC
0.82826 0.02984 0.02896

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.077 0.000
Br2 1.875 0.711 0.000
I3 -1.230 -0.653 0.000
H4 -0.237 1.639 0.905
H5 -0.237 1.639 -0.905

Atom - Atom Distances (Å)
  C1 Br2 I3 H4 H5
C11.91082.12231.09181.0918
Br21.91083.39142.47852.4785
I32.12233.39142.65702.6570
H41.09182.47852.65701.8107
H51.09182.47852.65701.8107

picture of bromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 I3 114.368 Br2 C1 H4 108.148
Br2 C1 H5 108.148 I3 C1 H4 107.112
I3 C1 H5 107.112 H4 C1 H5 112.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.332      
2 Br -0.015      
3 I 0.007      
4 H 0.170      
5 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.535 1.152 0.000 1.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.257 -0.336 0.000
y -0.336 -48.839 0.000
z 0.000 0.000 -51.770
Traceless
 xyz
x -1.953 -0.336 0.000
y -0.336 3.174 0.000
z 0.000 0.000 -1.221
Polar
3z2-r2-2.443
x2-y2-3.418
xy-0.336
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.888 2.038 0.000
y 2.038 8.653 0.000
z 0.000 0.000 6.780


<r2> (average value of r2) Å2
<r2> 194.936
(<r2>)1/2 13.962