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All results from a given calculation for CHBrCl2 (Methane, bromodichloro-)

using model chemistry: CCD/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 CCD/3-21G
 hartrees
Energy at 0K-3513.097940
Energy at 298.15K-3513.102141
HF Energy-3512.845733
Nuclear repulsion energy377.870850
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 CCD/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' 3241 3151 0.21      
2 A' 1213 1179 30.72      
3 A' 700 681 88.00      
4 A' 551 536 4.88      
5 A' 295 286 0.31      
6 A' 206 200 0.77      
7 A" 1222 1188 16.29      
8 A" 683 664 95.55      
9 A" 201 196 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 4155.8 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 4040.7 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 CCD/3-21G
ABC
0.09850 0.05575 0.03658

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.682 -0.109 0.000
H2 -1.620 0.433 0.000
Br3 0.825 1.170 0.000
Cl4 -0.682 -1.198 1.535
Cl5 -0.682 -1.198 -1.535

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08381.97591.88221.8822
H21.08382.55422.42832.4283
Br31.97592.55423.19873.1987
Cl41.88222.42833.19873.0699
Cl51.88222.42833.19873.0699

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 109.719 H2 C1 Cl4 106.805
H2 C1 Cl5 106.805 Br3 C1 Cl4 111.986
Br3 C1 Cl5 111.986 Cl4 C1 Cl5 109.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability