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All results from a given calculation for CH2BrI (bromoiodomethane)

using model chemistry: MP4=FULL/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 MP4=FULL/cc-pVTZ-PP
 hartrees
Energy at 0K-749.949120
Energy at 298.15K 
HF Energy-749.206505
Nuclear repulsion energy202.348331
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 MP4=FULL/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' 3147 3147        
2 A' 1438 1438        
3 A' 1180 1180        
4 A' 656 656        
5 A' 538 538        
6 A' 144 144        
7 A" 3209 3209        
8 A" 1096 1096        
9 A" 768 768        

Unscaled Zero Point Vibrational Energy (zpe) 6088.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6088.0 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 MP4=FULL/cc-pVTZ-PP
ABC
0.81912 0.02958 0.02870

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ-PP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.085 0.000
Br2 1.886 0.707 0.000
I3 -1.237 -0.652 0.000
H4 -0.227 1.646 0.894
H5 -0.227 1.646 -0.894

Atom - Atom Distances (Å)
  C1 Br2 I3 H4 H5
C11.92382.13271.07931.0793
Br21.92383.40662.47932.4793
I32.13273.40662.66422.6642
H41.07932.47932.66421.7879
H51.07932.47932.66421.7879

picture of bromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 I3 114.135 Br2 C1 H4 107.966
Br2 C1 H5 107.966 I3 C1 H4 107.505
I3 C1 H5 107.505 H4 C1 H5 111.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability