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: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-2811.990936
Energy at 298.15K 
HF Energy-2811.990936
Nuclear repulsion energy257.850550
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 HSEh1PBE/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' 3150 3030 17.96 93.50 0.24 0.39
2 A' 1278 1230 93.90 2.96 0.61 0.75
3 A' 1142 1099 292.09 1.47 0.47 0.64
4 A' 710 683 125.24 11.11 0.29 0.44
5 A' 587 565 7.08 2.05 0.38 0.55
6 A' 319 307 0.75 4.97 0.35 0.52
7 A" 1369 1317 35.96 4.23 0.75 0.86
8 A" 1188 1143 213.04 2.69 0.75 0.86
9 A" 314 302 0.43 2.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5028.9 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 4837.3 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 HSEh1PBE/cc-pVDZ
ABC
0.34056 0.09557 0.07794

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.424 -0.919 0.000
H2 -1.521 -0.975 0.000
Br3 0.077 0.964 0.000
F4 0.077 -1.514 1.085
F5 0.077 -1.514 -1.085

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09821.94841.33481.3348
H21.09822.51202.00492.0049
Br31.94842.51202.70552.7055
F41.33482.00492.70552.1693
F51.33482.00492.70552.1693

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 107.801 H2 C1 F4 110.603
H2 C1 F5 110.603 Br3 C1 F4 109.562
Br3 C1 F5 109.562 F4 C1 F5 108.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.307      
2 H 0.087      
3 Br -0.085      
4 F -0.154      
5 F -0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.386 -0.208 0.000 1.402
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.810 1.938 0.000
y 1.938 -33.531 0.000
z 0.000 0.000 -35.321
Traceless
 xyz
x 2.617 1.938 0.000
y 1.938 0.034 0.000
z 0.000 0.000 -2.651
Polar
3z2-r2-5.301
x2-y21.722
xy1.938
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.069 0.534 0.000
y 0.534 5.449 0.000
z 0.000 0.000 3.065


<r2> (average value of r2) Å2
<r2> 125.667
(<r2>)1/2 11.210