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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-225.199488
Energy at 298.15K-225.200760
Nuclear repulsion energy61.581129
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 mPW1PW91/6-31+G**
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 2743 2611 102.25      
2 A1 1163 1107 123.19      
3 A1 530 504 22.33      
4 B1 924 880 77.62      
5 B2 1417 1349 430.50      
6 B2 1091 1038 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 3933.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 3744.2 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 mPW1PW91/6-31+G**
ABC
2.46314 0.34601 0.30339

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.460
H2 0.000 0.000 1.648
F3 0.000 1.132 -0.219
F4 0.000 -1.132 -0.219

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18751.32061.3206
H21.18752.18362.1836
F31.32062.18362.2647
F41.32062.18362.2647

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.968 H2 B1 F4 120.968
F3 B1 F4 118.064
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.699      
2 H -0.030      
3 F -0.334      
4 F -0.334      


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 1.016 1.016
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.494 0.000 0.000
y 0.000 -18.595 0.000
z 0.000 0.000 -15.866
Traceless
 xyz
x 2.736 0.000 0.000
y 0.000 -3.415 0.000
z 0.000 0.000 0.678
Polar
3z2-r21.357
x2-y24.101
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 37.912
(<r2>)1/2 6.157