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All results from a given calculation for CHBrF2 (Methane, bromodifluoro-)

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-2810.366881
Energy at 298.15K-2810.371870
HF Energy-2809.708025
Nuclear repulsion energy257.138348
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-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3175 3046 24.18      
2 A' 1319 1265 116.63      
3 A' 1143 1097 268.85      
4 A' 725 696 108.63      
5 A' 586 563 7.23      
6 A' 326 313 0.11      
7 A" 1399 1342 36.29      
8 A" 1199 1151 203.64      
9 A" 319 306 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 5095.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4889.0 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-pVDZ
ABC
0.33729 0.09519 0.07753

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.425 -0.916 0.000
H2 -1.522 -0.982 0.000
Br3 0.077 0.966 0.000
F4 0.077 -1.518 1.090
F5 0.077 -1.518 -1.090

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09951.94801.34261.3426
H21.09952.51992.00852.0085
Br31.94802.51992.71292.7129
F41.34262.00852.71292.1805
F51.34262.00852.71292.1805

picture of Methane, bromodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 108.318 H2 C1 F4 110.267
H2 C1 F5 110.267 Br3 C1 F4 109.693
Br3 C1 F5 109.693 F4 C1 F5 108.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability