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All results from a given calculation for CH2BrI (bromoiodomethane)

using model chemistry: CISD/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 CISD/Def2TZVPP
 hartrees
Energy at 0K-2908.901851
Energy at 298.15K 
HF Energy-2908.113321
Nuclear repulsion energy264.118263
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 CISD/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' 3269 3269 0.83      
2 A' 1509 1509 0.04      
3 A' 1261 1261 86.65      
4 A' 709 709 50.06      
5 A' 571 571 2.00      
6 A' 154 154 0.13      
7 A" 3354 3354 2.95      
8 A" 1169 1169 0.00      
9 A" 811 811 5.56      

Unscaled Zero Point Vibrational Energy (zpe) 6403.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6403.4 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 CISD/Def2TZVPP
ABC
0.83797 0.03005 0.02917

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.069 0.000
Br2 1.874 0.696 0.000
I3 -1.229 -0.642 0.000
H4 -0.226 1.631 0.885
H5 -0.226 1.631 -0.885

Atom - Atom Distances (Å)
  C1 Br2 I3 H4 H5
C11.91092.10741.07191.0719
Br21.91093.37972.46292.4629
I32.10743.37972.63772.6377
H41.07192.46292.63771.7693
H51.07192.46292.63771.7693

picture of bromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 I3 114.419 Br2 C1 H4 107.993
Br2 C1 H5 107.993 I3 C1 H4 107.621
I3 C1 H5 107.621 H4 C1 H5 111.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability