return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-2810.433937
Energy at 298.15K-2810.438925
HF Energy-2809.731016
Nuclear repulsion energy257.337536
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 CCD/aug-cc-pVDZ
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' 3185 3072 6.44      
2 A' 1317 1270 87.33      
3 A' 1117 1078 241.41      
4 A' 735 708 96.94      
5 A' 571 550 4.77      
6 A' 332 320 0.34      
7 A" 1369 1320 11.24      
8 A" 1147 1106 197.41      
9 A" 321 310 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 5046.6 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 4867.5 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 CCD/aug-cc-pVDZ
ABC
0.33424 0.09580 0.07783

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.432 -0.902 0.000
H2 -1.526 -0.984 0.000
Br3 0.078 0.962 0.000
F4 0.078 -1.515 1.095
F5 0.078 -1.515 -1.095

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09731.93291.35411.3541
H21.09732.52152.01332.0133
Br31.93292.52152.70852.7085
F41.35412.01332.70852.1892
F51.35412.01332.70852.1892

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 109.531 H2 C1 F4 109.987
H2 C1 F5 109.987 Br3 C1 F4 109.721
Br3 C1 F5 109.721 F4 C1 F5 107.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability