return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-2811.909631
Energy at 298.15K 
HF Energy-2811.697704
Nuclear repulsion energy256.729675
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/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' 3168 3036 20.05 92.36 0.24 0.39
2 A' 1293 1239 102.96 3.09 0.58 0.74
3 A' 1124 1078 283.26 1.72 0.50 0.66
4 A' 708 678 124.40 11.86 0.29 0.45
5 A' 581 557 7.12 2.23 0.36 0.53
6 A' 317 304 0.70 5.38 0.35 0.52
7 A" 1379 1322 29.74 4.65 0.75 0.86
8 A" 1170 1122 214.12 2.48 0.75 0.86
9 A" 313 300 0.47 2.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5026.5 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 4817.9 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 B2PLYP=FULL/cc-pVDZ
ABC
0.33750 0.09473 0.07723

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.425 -0.922 0.000
H2 -1.520 -0.981 0.000
Br3 0.077 0.968 0.000
F4 0.077 -1.521 1.090
F5 0.077 -1.521 -1.090

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09631.95591.34151.3415
H21.09632.51992.00772.0077
Br31.95592.51992.71802.7180
F41.34152.00772.71802.1798
F51.34152.00772.71802.1798

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 107.957 H2 C1 F4 110.482
H2 C1 F5 110.482 Br3 C1 F4 109.620
Br3 C1 F5 109.620 F4 C1 F5 108.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability