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All results from a given calculation for CH2BrI (bromoiodomethane)

using model chemistry: CCSD/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 CCSD/Def2TZVPP
 hartrees
Energy at 0K-2909.047628
Energy at 298.15K 
HF Energy-2908.113430
Nuclear repulsion energy262.502887
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 CCSD/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' 3168 3168 1.09      
2 A' 1454 1454 0.10      
3 A' 1209 1209 78.81      
4 A' 675 675 47.09      
5 A' 548 548 2.07      
6 A' 147 147 0.11      
7 A" 3252 3252 1.98      
8 A" 1120 1120 0.00      
9 A" 781 781 5.31      

Unscaled Zero Point Vibrational Energy (zpe) 6177.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6177.3 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 CCSD/Def2TZVPP
ABC
0.82356 0.02972 0.02884

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.079 0.000
Br2 1.885 0.698 0.000
I3 -1.237 -0.645 0.000
H4 -0.227 1.642 0.893
H5 -0.227 1.642 -0.893

Atom - Atom Distances (Å)
  C1 Br2 I3 H4 H5
C11.92362.12151.08001.0800
Br21.92363.39862.48012.4801
I32.12153.39862.65512.6551
H41.08002.48012.65511.7860
H51.08002.48012.65511.7860

picture of bromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 I3 114.230 Br2 C1 H4 108.009
Br2 C1 H5 108.009 I3 C1 H4 107.555
I3 C1 H5 107.555 H4 C1 H5 111.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability