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All results from a given calculation for CBrClF2 (Methane, bromochlorodifluoro-)

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-3253.720565
Energy at 298.15K-3253.724461
HF Energy-3253.101491
Nuclear repulsion energy435.857383
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 QCISD/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' 1119 1075 223.80      
2 A' 842 810 365.36      
3 A' 606 583 17.77      
4 A' 414 398 0.01      
5 A' 332 319 0.56      
6 A' 221 212 0.00      
7 A" 1230 1183 126.40      
8 A" 386 371 2.54      
9 A" 280 269 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 2715.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 2609.5 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 QCISD/3-21G*
ABC
0.12215 0.05540 0.04848

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.038 0.676 0.000
Br2 0.552 -1.195 0.000
Cl3 -1.735 0.854 0.000
F4 0.552 1.292 1.115
F5 0.552 1.292 -1.115

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 F5
C11.94081.78251.37401.3740
Br21.94083.07112.72642.7264
Cl31.78253.07112.58232.5823
F41.37402.72642.58232.2309
F51.37402.72642.58232.2309

picture of Methane, bromochlorodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.071 Br2 C1 F4 109.480
Br2 C1 F5 109.480 Cl3 C1 F4 109.105
Cl3 C1 F5 109.105 F4 C1 F5 108.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability