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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-5257.536712
Energy at 298.15K 
HF Energy-5257.210560
Nuclear repulsion energy462.051333
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 MP4=FULL/3-21G
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' 3175 3107        
2 A' 1327 1299        
3 A' 1086 1063        
4 A' 569 557        
5 A' 316 309        
6 A' 159 155        
7 A" 1205 1179        
8 A" 668 654        
9 A" 270 265        

Unscaled Zero Point Vibrational Energy (zpe) 4387.4 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 4294.4 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 MP4=FULL/3-21G
ABC
0.17097 0.03741 0.03134

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.106 0.817 0.000
H2 -1.029 1.392 0.000
F3 1.010 1.654 0.000
Br4 -0.106 -0.303 1.679
Br5 -0.106 -0.303 -1.679

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08731.39472.01822.0182
H21.08732.05602.55792.5579
F31.39472.05602.80922.8092
Br42.01822.55792.80923.3579
Br52.01822.55792.80923.3579

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.264 H2 C1 Br4 107.053
H2 C1 Br5 107.053 F3 C1 Br4 109.434
F3 C1 Br5 109.434 Br4 C1 Br5 112.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability