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 CHBr2F (dibromofluoromethane)

using model chemistry: B2PLYP=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-5286.069732
Energy at 298.15K 
HF Energy-5285.632146
Nuclear repulsion energy479.045286
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3201 3201 3.05 74.38 0.27 0.42
2 A' 1356 1356 21.44 6.21 0.72 0.84
3 A' 1105 1105 200.97 1.49 0.70 0.82
4 A' 625 625 26.14 11.34 0.13 0.23
5 A' 359 359 0.57 5.74 0.20 0.34
6 A' 171 171 0.00 4.88 0.50 0.67
7 A" 1227 1227 103.97 3.43 0.75 0.86
8 A" 701 701 218.28 5.28 0.75 0.86
9 A" 299 299 0.14 2.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4521.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4521.4 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/6-311G*
ABC
0.18344 0.04028 0.03374

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.788 0.000
H2 -1.007 1.384 0.000
F3 0.974 1.595 0.000
Br4 -0.102 -0.292 1.618
Br5 -0.102 -0.292 -1.618

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08341.34541.94541.9454
H21.08341.99282.49902.4990
F31.34541.99282.70892.7089
Br41.94542.49902.70893.2356
Br51.94542.49902.70893.2356

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.798 H2 C1 Br4 107.778
H2 C1 Br5 107.778 F3 C1 Br4 109.453
F3 C1 Br5 109.453 Br4 C1 Br5 112.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability