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

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-2810.629681
Energy at 298.15K 
HF Energy-2809.778952
Nuclear repulsion energy259.145346
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' 3173 3026 7.16      
2 A' 1338 1276 83.52      
3 A' 1145 1092 255.19      
4 A' 741 707 104.83      
5 A' 592 565 5.09      
6 A' 334 319 0.11      
7 A" 1402 1337 10.96      
8 A" 1178 1123 201.95      
9 A" 322 307 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 5112.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 4876.0 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
0.34304 0.09663 0.07874

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 -0.424 -0.906 0.000
H2 -1.507 -0.982 0.000
Br3 0.076 0.959 0.000
F4 0.076 -1.507 1.081
F5 0.076 -1.507 -1.081

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08611.93071.33421.3342
H21.08612.50461.98821.9882
Br31.93072.50462.69262.6926
F41.33421.98822.69262.1617
F51.33421.98822.69262.1617

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 109.001 H2 C1 F4 110.041
H2 C1 F5 110.041 Br3 C1 F4 109.768
Br3 C1 F5 109.768 F4 C1 F5 108.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability