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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-5278.244005
Energy at 298.15K 
HF Energy-5277.639577
Nuclear repulsion energy481.348064
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 MP3=FULL/6-31G*
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' 3253 3052 1.24      
2 A' 1369 1285 22.36      
3 A' 1164 1093 159.46      
4 A' 634 594 23.01      
5 A' 360 338 0.44      
6 A' 181 170 0.02      
7 A" 1242 1165 88.87      
8 A" 728 684 162.63      
9 A" 303 284 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 4617.0 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 4332.1 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 MP3=FULL/6-31G*
ABC
0.18239 0.04098 0.03421

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.104 0.798 0.000
H2 -1.005 1.402 0.000
F3 0.990 1.588 0.000
Br4 -0.104 -0.293 1.604
Br5 -0.104 -0.293 -1.604

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08471.35021.93921.9392
H21.08472.00372.50112.5011
F31.35022.00372.70322.7032
Br41.93922.50112.70323.2071
Br51.93922.50112.70323.2071

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.281 H2 C1 Br4 108.267
H2 C1 Br5 108.267 F3 C1 Br4 109.223
F3 C1 Br5 109.223 Br4 C1 Br5 111.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability