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All results from a given calculation for H3BO3 (Boric acid)

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-252.513757
Energy at 298.15K-252.518405
Nuclear repulsion energy116.342360
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 B3LYP/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 A' 3872 3737 0.00      
2 A' 1028 992 0.00      
3 A' 883 852 0.00      
4 A" 672 648 82.14      
5 A" 434 419 301.49      
6 E' 3871 3736 87.67      
6 E' 3871 3736 87.66      
7 E' 1471 1420 363.71      
7 E' 1471 1419 363.75      
8 E' 1026 990 175.44      
8 E' 1026 990 175.44      
9 E' 427 413 26.09      
9 E' 427 413 26.09      
10 E" 531 512 0.00      
10 E" 531 512 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10771.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 10394.0 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 B3LYP/6-31G(2df,p)
ABC
0.33339 0.33339 0.16670

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
O2 0.000 1.367 0.000
O3 -1.184 -0.684 0.000
O4 1.184 -0.684 0.000
H5 -0.890 1.729 0.000
H6 -1.053 -1.635 0.000
H7 1.943 -0.094 0.000

Atom - Atom Distances (Å)
  B1 O2 O3 O4 H5 H6 H7
B11.36721.36721.36721.94491.94491.9449
O21.36722.36802.36800.96073.18172.4309
O31.36722.36802.36802.43090.96073.1817
O41.36722.36802.36803.18172.43090.9607
H51.94490.96072.43093.18173.36863.3686
H61.94493.18170.96072.43093.36863.3686
H71.94492.43093.18170.96073.36863.3686

picture of Boric acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 O2 H5 112.153 B1 O3 H6 112.153
B1 O4 H7 112.153 O2 B1 O3 120.000
O2 B1 O4 120.000 O3 B1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.058      
2 O -0.326      
3 O -0.326      
4 O -0.326      
5 H 0.307      
6 H 0.307      
7 H 0.307      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.864 0.000 0.000
y 0.000 -19.864 0.000
z 0.000 0.000 -22.556
Traceless
 xyz
x 1.346 0.000 0.000
y 0.000 1.346 0.000
z 0.000 0.000 -2.693
Polar
3z2-r2-5.385
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 3.799 0.000 0.000
y 0.000 3.799 0.000
z 0.000 0.000 2.324


<r2> (average value of r2) Å2
<r2> 69.175
(<r2>)1/2 8.317