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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-2807.375922
Energy at 298.15K-2807.380726
HF Energy-2806.983066
Nuclear repulsion energy249.565244
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
4/u)
Dep P Dep U
1 A' 3195 3079 14.18      
2 A' 1303 1256 98.68      
3 A' 1047 1009 192.53      
4 A' 663 639 99.61      
5 A' 509 490 13.07      
6 A' 294 283 0.26      
7 A" 1351 1302 21.38      
8 A" 1111 1071 153.00      
9 A" 295 284 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 4883.7 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 4705.9 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
0.31054 0.09050 0.07321

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 -0.450 -0.930 0.000
H2 -1.536 -1.010 0.000
Br3 0.080 0.990 0.000
F4 0.080 -1.559 1.137
F5 0.080 -1.559 -1.137

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08971.99141.40351.4035
H21.08972.57132.05112.0511
Br31.99142.57132.79132.7913
F41.40352.05112.79132.2744
F51.40352.05112.79132.2744

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 109.637 H2 C1 F4 110.074
H2 C1 F5 110.074 Br3 C1 F4 109.393
Br3 C1 F5 109.393 F4 C1 F5 108.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability