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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: QCISD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD(T)/TZVP
 hartrees
Energy at 0K-3170.592541
Energy at 298.15K-3170.597224
HF Energy-3169.836916
Nuclear repulsion energy319.723776
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(T)/TZVP
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 3188 3071        
2 A 1358 1308        
3 A 1258 1212        
4 A 1105 1065        
5 A 792 763        
6 A 659 634        
7 A 427 412        
8 A 316 304        
9 A 224 216        

Unscaled Zero Point Vibrational Energy (zpe) 4663.8 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 4492.1 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 QCISD(T)/TZVP
ABC
0.21436 0.06595 0.05207

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.574 0.460 0.413
Br2 -1.212 -0.187 -0.028
Cl3 1.844 -0.684 -0.068
F4 0.780 1.645 -0.203
H5 0.615 0.598 1.489

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.95061.77561.35191.0850
Br21.95063.09732.71252.5014
Cl31.77563.09732.56392.3616
F41.35192.71252.56391.9964
H51.08502.50142.36161.9964

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.365 Br2 C1 F4 109.095
Br2 C1 H5 107.530 Cl3 C1 F4 109.387
Cl3 C1 H5 108.883 F4 C1 H5 109.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability