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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: QCISD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-5283.443933
Energy at 298.15K 
HF Energy-5282.665791
Nuclear repulsion energy482.898444
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/6-311+G(3df,2p)
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' 3183 3035 0.02      
2 A' 1353 1291 12.31      
3 A' 1120 1068 164.77      
4 A' 642 612 19.15      
5 A' 370 353 0.25      
6 A' 176 168 0.00      
7 A" 1228 1172 75.39      
8 A" 749 714 156.58      
9 A" 308 293 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 4563.7 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 4352.4 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/6-311+G(3df,2p)
ABC
0.18538 0.04104 0.03434

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.103 0.782 0.000
H2 -1.003 1.385 0.000
F3 0.978 1.582 0.000
Br4 -0.103 -0.290 1.603
Br5 -0.103 -0.290 -1.603

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08391.34451.92801.9280
H21.08391.99062.48702.4870
F31.34451.99062.69082.6908
Br41.92802.48702.69083.2051
Br51.92802.48702.69083.2051

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.649 H2 C1 Br4 108.027
H2 C1 Br5 108.027 F3 C1 Br4 109.323
F3 C1 Br5 109.323 Br4 C1 Br5 112.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability