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All results from a given calculation for CH2BrI (bromoiodomethane)

using model chemistry: CCSD/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 CCSD/cc-pVTZ-PP
 hartrees
Energy at 0K-749.837629
Energy at 298.15K 
HF Energy-749.206467
Nuclear repulsion energy202.504595
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/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' 3161 3016 1.24      
2 A' 1451 1385 0.15      
3 A' 1204 1149 80.16      
4 A' 673 642 47.39      
5 A' 548 523 1.77      
6 A' 147 140 0.10      
7 A" 3243 3094 1.81      
8 A" 1113 1062 0.01      
9 A" 781 745 5.15      

Unscaled Zero Point Vibrational Energy (zpe) 6160.5 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 5877.1 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/cc-pVTZ-PP
ABC
0.82135 0.02962 0.02874

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.082 0.000
Br2 1.885 0.706 0.000
I3 -1.236 -0.651 0.000
H4 -0.228 1.646 0.893
H5 -0.228 1.646 -0.893

Atom - Atom Distances (Å)
  C1 Br2 I3 H4 H5
C11.92242.12931.08081.0808
Br21.92243.40412.47932.4793
I32.12933.40412.66352.6635
H41.08082.47932.66351.7868
H51.08082.47932.66351.7868

picture of bromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 I3 114.219 Br2 C1 H4 107.989
Br2 C1 H5 107.989 I3 C1 H4 107.602
I3 C1 H5 107.602 H4 C1 H5 111.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability