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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-5278.192705
Energy at 298.15K 
HF Energy-5277.639138
Nuclear repulsion energy479.911472
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 CCSD/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' 3217 3037 2.07      
2 A' 1358 1283 22.15      
3 A' 1148 1084 158.32      
4 A' 629 594 22.74      
5 A' 357 337 0.44      
6 A' 179 169 0.02      
7 A" 1232 1164 90.54      
8 A" 720 680 162.77      
9 A" 299 282 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 4569.3 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 4314.8 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 CCSD/6-31G*
ABC
0.18118 0.04074 0.03401

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.104 0.800 0.000
H2 -1.008 1.405 0.000
F3 0.993 1.594 0.000
Br4 -0.104 -0.294 1.608
Br5 -0.104 -0.294 -1.608

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08751.35511.94461.9446
H21.08752.00972.50772.5077
F31.35512.00972.71212.7121
Br41.94462.50772.71213.2164
Br51.94462.50772.71213.2164

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.246 H2 C1 Br4 108.249
H2 C1 Br5 108.249 F3 C1 Br4 109.250
F3 C1 Br5 109.250 Br4 C1 Br5 111.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability