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

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-2796.767031
Energy at 298.15K-2796.771950
HF Energy-2796.294239
Nuclear repulsion energy254.253759
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=FULL/3-21G*
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' 3212 3045 25.61      
2 A' 1364 1293 116.85      
3 A' 1106 1048 186.13      
4 A' 726 689 130.68      
5 A' 550 521 10.82      
6 A' 316 299 0.11      
7 A" 1444 1369 24.93      
8 A" 1189 1127 120.17      
9 A" 300 284 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 5102.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 4837.5 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 MP2=FULL/3-21G*
ABC
0.31846 0.09439 0.07604

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.434 -0.911 0.000
H2 -1.518 -0.957 0.000
Br3 0.078 0.969 0.000
F4 0.078 -1.528 1.124
F5 0.078 -1.528 -1.124

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08481.94841.38081.3808
H21.08482.50142.03402.0340
Br31.94842.50142.73822.7382
F41.38082.03402.73822.2483
F51.38082.03402.73822.2483

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 107.680 H2 C1 F4 110.589
H2 C1 F5 110.589 Br3 C1 F4 109.480
Br3 C1 F5 109.480 F4 C1 F5 108.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability