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All results from a given calculation for CH2BrCl (Methane, bromochloro-)

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-3056.336867
Energy at 298.15K-3056.342073
HF Energy-3056.151614
Nuclear repulsion energy210.590096
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 CID/3-21G
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' 3219 2999 2.79      
2 A' 1522 1418 0.32      
3 A' 1297 1208 51.89      
4 A' 683 636 82.22      
5 A' 593 552 8.37      
6 A' 215 200 0.59      
7 A" 3308 3081 0.00      
8 A" 1176 1096 0.03      
9 A" 849 791 4.61      

Unscaled Zero Point Vibrational Energy (zpe) 6430.5 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 5990.6 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 CID/3-21G
ABC
0.90483 0.06512 0.06148

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.054 0.000
Br2 0.899 -0.712 0.000
Cl3 -1.883 0.906 0.000
H4 0.267 1.587 0.903
H5 0.267 1.587 -0.903

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.98131.88881.08231.0823
Br21.98133.21852.54892.5489
Cl31.88883.21852.42972.4297
H41.08232.54892.42971.8069
H51.08232.54892.42971.8069

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.512 Br2 C1 H4 109.052
Br2 C1 H5 109.052 Cl3 C1 H4 106.543
Cl3 C1 H5 106.543 H4 C1 H5 113.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability