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

using model chemistry: QCISD(T)/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 QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-2810.462322
Energy at 298.15K 
HF Energy-2809.729899
Nuclear repulsion energy256.161018
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(T)/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' 3156 3086        
2 A' 1289 1261        
3 A' 1078 1054        
4 A' 716 700        
5 A' 555 543        
6 A' 323 316        
7 A" 1339 1309        
8 A" 1102 1077        
9 A" 314 307        

Unscaled Zero Point Vibrational Energy (zpe) 4935.7 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 4826.1 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(T)/aug-cc-pVDZ
ABC
0.33028 0.09504 0.07716

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.435 -0.905 0.000
H2 -1.532 -0.987 0.000
Br3 0.078 0.966 0.000
F4 0.078 -1.522 1.101
F5 0.078 -1.522 -1.101

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09941.93981.36261.3626
H21.09942.53072.02252.0225
Br31.93982.53072.72032.7203
F41.36262.02252.72032.2023
F51.36262.02252.72032.2023

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 109.630 H2 C1 F4 110.002
H2 C1 F5 110.002 Br3 C1 F4 109.680
Br3 C1 F5 109.680 F4 C1 F5 107.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability