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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-250.559123
Energy at 298.15K-250.563878
HF Energy-250.205081
Nuclear repulsion energy102.410081
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 MP2/LANL2DZ
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' 3233 3113 15.95      
2 A' 1307 1259 94.81      
3 A' 976 940 217.65      
4 A' 673 648 95.27      
5 A' 495 477 8.38      
6 A' 295 284 0.87      
7 A" 1319 1270 11.17      
8 A" 998 961 214.18      
9 A" 289 279 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 4791.9 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 4615.0 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 MP2/LANL2DZ
ABC
0.30486 0.08856 0.07168

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.455 -0.922 0.000
H2 -1.542 -1.034 0.000
Br3 0.081 1.000 0.000
F4 0.081 -1.580 1.148
F5 0.081 -1.580 -1.148

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09281.99601.42721.4272
H21.09282.60262.06122.0612
Br31.99602.60262.82412.8241
F41.42722.06122.82412.2956
F51.42722.06122.82412.2956

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 111.449 H2 C1 F4 109.037
H2 C1 F5 109.037 Br3 C1 F4 110.068
Br3 C1 F5 110.068 F4 C1 F5 107.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability