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

using model chemistry: MP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-2778.822578
Energy at 298.15K-2778.827407
HF Energy-2778.723469
Nuclear repulsion energy250.962689
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/STO-3G
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' 3297 2875 15.61      
2 A' 1402 1223 106.44      
3 A' 1203 1049 72.76      
4 A' 769 671 57.12      
5 A' 552 481 10.03      
6 A' 341 297 0.42      
7 A" 1493 1301 43.31      
8 A" 1278 1114 32.29      
9 A" 317 276 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 5325.9 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 4643.6 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/STO-3G
ABC
0.31756 0.09099 0.07379

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.426 -0.921 0.000
H2 -1.556 -0.975 0.000
Br3 0.078 0.987 0.000
F4 0.078 -1.558 1.125
F5 0.078 -1.558 -1.125

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.13101.97351.38831.3883
H21.13102.55352.06792.0679
Br31.97352.55352.78332.7833
F41.38832.06792.78332.2509
F51.38832.06792.78332.2509

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 107.559 H2 C1 F4 109.913
H2 C1 F5 109.913 Br3 C1 F4 110.566
Br3 C1 F5 110.566 F4 C1 F5 108.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability