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

using model chemistry: QCISD(T)/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-2810.838134
Energy at 298.15K 
HF Energy-2809.874227
Nuclear repulsion energy258.552242
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-pVTZ
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' 3151 3047        
2 A' 1312 1269        
3 A' 1119 1082        
4 A' 725 701        
5 A' 581 562        
6 A' 324 313        
7 A" 1371 1326        
8 A" 1149 1111        
9 A" 315 305        

Unscaled Zero Point Vibrational Energy (zpe) 5024.2 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 4857.4 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(T)/aug-cc-pVTZ
ABC
0.33901 0.09648 0.07847

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.427 -0.904 0.000
H2 -1.512 -0.975 0.000
Br3 0.077 0.959 0.000
F4 0.077 -1.509 1.087
F5 0.077 -1.509 -1.087

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08701.92951.34281.3428
H21.08702.50281.99771.9977
Br31.92952.50282.69732.6973
F41.34281.99772.69732.1746
F51.34281.99772.69732.1746

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 108.911 H2 C1 F4 110.158
H2 C1 F5 110.158 Br3 C1 F4 109.730
Br3 C1 F5 109.730 F4 C1 F5 108.143
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability