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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: QCISD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-5283.765321
Energy at 298.15K 
HF Energy-5282.846271
Nuclear repulsion energy484.457549
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/aug-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' 3193 3073 0.02      
2 A' 1343 1293 12.66      
3 A' 1121 1079 163.52      
4 A' 643 619 18.83      
5 A' 369 355 0.26      
6 A' 176 169 0.00      
7 A" 1228 1182 75.16      
8 A" 752 724 154.74      
9 A" 305 294 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 4565.6 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 4394.0 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/aug-cc-pVTZ
ABC
0.18525 0.04143 0.03461

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.103 0.780 0.000
H2 -1.002 1.382 0.000
F3 0.980 1.582 0.000
Br4 -0.103 -0.290 1.595
Br5 -0.103 -0.290 -1.595

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08211.34761.92061.9206
H21.08211.99212.47952.4795
F31.34761.99212.68742.6874
Br41.92062.47952.68743.1899
Br51.92062.47952.68743.1899

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.659 H2 C1 Br4 108.051
H2 C1 Br5 108.051 F3 C1 Br4 109.376
F3 C1 Br5 109.376 Br4 C1 Br5 112.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability