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All results from a given calculation for CH2BrI (bromoiodomethane)

using model chemistry: CCD/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 CCD/Def2TZVPP
 hartrees
Energy at 0K-2909.043215
Energy at 298.15K 
HF Energy-2908.113419
Nuclear repulsion energy262.755389
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 CCD/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' 3172 3172 0.98      
2 A' 1457 1457 0.06      
3 A' 1215 1215 75.83      
4 A' 684 684 43.13      
5 A' 552 552 1.85      
6 A' 148 148 0.11      
7 A" 3257 3257 2.13      
8 A" 1125 1125        
9 A" 784 784 5.41      

Unscaled Zero Point Vibrational Energy (zpe) 6197.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6197.2 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 CCD/Def2TZVPP
ABC
0.82515 0.02978 0.02890

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.078 0.000
Br2 1.884 0.698 0.000
I3 -1.235 -0.645 0.000
H4 -0.227 1.642 0.892
H5 -0.227 1.642 -0.892

Atom - Atom Distances (Å)
  C1 Br2 I3 H4 H5
C11.92152.11941.07991.0799
Br21.92153.39532.47852.4785
I32.11943.39532.65322.6532
H41.07992.47852.65321.7848
H51.07992.47852.65321.7848

picture of bromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 I3 114.242 Br2 C1 H4 108.034
Br2 C1 H5 108.034 I3 C1 H4 107.563
I3 C1 H5 107.563 H4 C1 H5 111.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability