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All results from a given calculation for BrF5 (bromine pentafluoride)

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C4V 1A1
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-3071.090493
Energy at 298.15K-3071.096083
Nuclear repulsion energy649.298697
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 B1B95/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 746 714 43.59      
2 A1 624 597 2.97      
3 A1 405 387 34.37      
4 B1 331 317 0.00      
5 B2 591 566 0.00      
6 B2 255 244 0.00      
7 E 705 676 276.69      
7 E 705 676 276.69      
8 E 443 424 6.18      
8 E 443 424 6.18      
9 E 255 244 0.38      
9 E 255 244 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 2878.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 2756.9 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 B1B95/6-31G(2df,p)
ABC
0.10578 0.10578 0.07356

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C4v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 0.273
F2 0.000 0.000 -1.420
F3 0.000 1.737 0.089
F4 -1.737 0.000 0.089
F5 0.000 -1.737 0.089
F6 1.737 0.000 0.089

Atom - Atom Distances (Å)
  Br1 F2 F3 F4 F5 F6
Br11.69301.74631.74631.74631.7463
F21.69302.30042.30042.30042.3004
F31.74632.30042.45593.47312.4559
F41.74632.30042.45592.45593.4731
F51.74632.30043.47312.45592.4559
F61.74632.30042.45593.47312.4559

picture of bromine pentafluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Br1 F3 83.942 F2 Br1 F4 83.942
F2 Br1 F5 83.942 F2 Br1 F6 83.942
F3 Br1 F4 89.362 F3 Br1 F5 167.885
F3 Br1 F6 89.362 F4 Br1 F5 89.362
F4 Br1 F6 167.885 F5 Br1 F6 89.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 1.420      
2 F -0.213      
3 F -0.302      
4 F -0.302      
5 F -0.302      
6 F -0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.198 1.198
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.316 0.000 0.000
y 0.000 -44.316 0.000
z 0.000 0.000 -39.798
Traceless
 xyz
x -2.259 0.000 0.000
y 0.000 -2.259 0.000
z 0.000 0.000 4.518
Polar
3z2-r29.035
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.276 0.000 0.000
y 0.000 5.276 0.000
z 0.000 0.000 3.798


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000