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All results from a given calculation for CH2BrF (Methane, bromofluoro-)

using model chemistry: B2PLYP=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 B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-2699.545174
Energy at 298.15K-2699.550564
HF Energy-2699.460354
Nuclear repulsion energy159.827836
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 B2PLYP=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' 3153 3001 19.98      
2 A' 1572 1497 0.75      
3 A' 1378 1312 65.47      
4 A' 1096 1044 130.02      
5 A' 607 578 61.93      
6 A' 284 270 1.23      
7 A" 3231 3076 16.12      
8 A" 1262 1201 1.46      
9 A" 947 901 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 6765.1 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 6440.4 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 B2PLYP=FULL/3-21G
ABC
1.28718 0.11616 0.10880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.529 -1.166 0.000
F2 -0.600 -1.981 0.000
Br3 0.000 0.784 0.000
H4 1.115 -1.309 0.902
H5 1.115 -1.309 -0.902

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.39272.02031.08501.0850
F21.39272.82932.05112.0511
Br32.02032.82932.53732.5373
H41.08502.05112.53731.8038
H51.08502.05112.53731.8038

picture of Methane, bromofluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 110.641 F2 C1 H4 111.138
F2 C1 H5 111.138 Br3 C1 H4 105.599
Br3 C1 H5 105.599 H4 C1 H5 112.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability