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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: QCISD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-3170.763003
Energy at 298.15K-3170.767734
HF Energy-3169.903138
Nuclear repulsion energy322.729648
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/cc-pVTZ
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 3191 3049 2.09      
2 A 1361 1300 15.19      
3 A 1254 1198 71.03      
4 A 1145 1094 178.14      
5 A 813 777 178.62      
6 A 681 651 41.06      
7 A 434 414 0.91      
8 A 323 309 0.15      
9 A 229 219 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4714.8 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 4505.0 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/cc-pVTZ
ABC
0.21603 0.06757 0.05315

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.565 0.461 0.410
Br2 -1.198 -0.186 -0.028
Cl3 1.821 -0.682 -0.067
F4 0.773 1.638 -0.202
H5 0.609 0.594 1.483

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.92871.76401.34251.0820
Br21.92873.06002.69102.4814
Cl31.76403.06002.54932.3449
F41.34252.69102.54931.9889
H51.08202.48142.34491.9889

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.850 Br2 C1 F4 109.391
Br2 C1 H5 107.674 Cl3 C1 F4 109.546
Cl3 C1 H5 108.575 F4 C1 H5 109.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability