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All results from a given calculation for CHBr2F (dibromofluoromethane)

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-5283.248622
Energy at 298.15K 
HF Energy-5282.637770
Nuclear repulsion energy478.990992
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' 3187 3058 4.32      
2 A' 1335 1281 22.40      
3 A' 1132 1086 184.25      
4 A' 630 604 22.07      
5 A' 362 347 0.46      
6 A' 174 167 0.01      
7 A" 1209 1160 93.20      
8 A" 727 697 171.40      
9 A" 302 289 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4528.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4344.3 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
0.18203 0.04041 0.03379

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 -0.102 0.789 0.000
H2 -1.022 1.388 0.000
F3 0.979 1.601 0.000
Br4 -0.102 -0.293 1.615
Br5 -0.102 -0.293 -1.615

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.09771.35221.94441.9444
H21.09772.01252.50662.5066
F31.35222.01252.71422.7142
Br41.94442.50662.71423.2302
Br51.94442.50662.71423.2302

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.028 H2 C1 Br4 107.693
H2 C1 Br5 107.693 F3 C1 Br4 109.527
F3 C1 Br5 109.527 Br4 C1 Br5 112.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability