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All results from a given calculation for CHClBr2 (Methane, dibromochloro-)

using model chemistry: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-5637.620217
Energy at 298.15K-5637.627181
HF Energy-5637.379156
Nuclear repulsion energy558.819165
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 MP2=FULL/6-31G
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' 3260 3097 0.12      
2 A' 1238 1177 21.73      
3 A' 681 647 101.86      
4 A' 533 507 4.39      
5 A' 265 252 0.12      
6 A' 165 156 0.04      
7 A" 1205 1145 34.64      
8 A" 646 614 87.96      
9 A" 192 183 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 4092.6 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 3888.4 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 MP2=FULL/6-31G
ABC
0.07665 0.03917 0.02646

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.250 0.610 0.000
H2 -1.158 1.204 0.000
Cl3 1.185 1.797 0.000
Br4 -0.250 -0.506 1.639
Br5 -0.250 -0.506 -1.639

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08521.86181.98271.9827
H21.08522.41732.53652.5365
Cl31.86182.41733.16963.1696
Br41.98272.53653.16963.2771
Br51.98272.53653.16963.2771

picture of Methane, dibromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Cl3 107.265 H2 C1 Br4 107.933
H2 C1 Br5 107.933 Cl3 C1 Br4 111.025
Cl3 C1 Br5 111.025 Br4 C1 Br5 111.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability