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

using model chemistry: QCISD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-2807.802108
Energy at 298.15K-2807.807064
HF Energy-2807.198541
Nuclear repulsion energy256.775478
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3200 3047 19.26      
2 A' 1341 1277 115.89      
3 A' 1151 1096 242.00      
4 A' 722 688 110.43      
5 A' 575 548 7.82      
6 A' 320 305 0.08      
7 A" 1422 1355 31.42      
8 A" 1206 1148 178.83      
9 A" 316 301 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 5127.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 4882.4 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/6-31G*
ABC
0.33510 0.09510 0.07739

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.425 -0.928 0.000
H2 -1.515 -0.988 0.000
Br3 0.077 0.971 0.000
F4 0.077 -1.523 1.095
F5 0.077 -1.523 -1.095

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09191.96371.34351.3435
H21.09192.52452.00492.0049
Br31.96372.52452.72352.7235
F41.34352.00492.72352.1896
F51.34352.00492.72352.1896

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 108.000 H2 C1 F4 110.393
H2 C1 F5 110.393 Br3 C1 F4 109.443
Br3 C1 F5 109.443 F4 C1 F5 109.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability