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All results from a given calculation for CHBrF2 (Methane, bromodifluoro-)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-2807.810317
Energy at 298.15K-2807.815284
HF Energy-2807.200646
Nuclear repulsion energy256.918399
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/6-31G**
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' 3227 3038 21.05      
2 A' 1350 1271 121.26      
3 A' 1153 1085 240.82      
4 A' 724 682 108.93      
5 A' 576 542 7.65      
6 A' 320 302 0.08      
7 A" 1428 1344 32.13      
8 A" 1209 1138 177.93      
9 A" 317 298 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 5151.1 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 4849.3 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/6-31G**
ABC
0.33548 0.09518 0.07745

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.430 -0.917 0.000
H2 -1.514 -0.981 0.000
Br3 0.077 0.966 0.000
F4 0.077 -1.518 1.093
F5 0.077 -1.518 -1.093

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08541.95041.34651.3465
H21.08542.51442.00352.0035
Br31.95042.51442.71382.7138
F41.34652.00352.71382.1863
F51.34652.00352.71382.1863

picture of Methane, bromodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 108.451 H2 C1 F4 110.479
H2 C1 F5 110.479 Br3 C1 F4 109.434
Br3 C1 F5 109.434 F4 C1 F5 108.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability