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

using model chemistry: B3LYP/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-252.630633
Energy at 298.15K-252.635313
Nuclear repulsion energy116.195634
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/aug-cc-pVQZ
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' 3860 3740 0.00      
2 A' 1023 991 0.00      
3 A' 876 849 0.00      
4 A" 673 652 83.15      
5 A" 450 436 301.74      
6 E' 3859 3739 106.83      
6 E' 3859 3739 106.82      
7 E' 1441 1396 428.22      
7 E' 1441 1396 428.18      
8 E' 1017 985 171.25      
8 E' 1017 985 171.23      
9 E' 430 417 28.58      
9 E' 430 417 28.59      
10 E" 537 520 0.00      
10 E" 537 520 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10724.2 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 10390.7 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/aug-cc-pVQZ
ABC
0.33240 0.33240 0.16620

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVQZ

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
O2 0.000 1.369 0.000
O3 -1.185 -0.684 0.000
O4 1.185 -0.684 0.000
H5 -0.883 1.745 0.000
H6 -1.069 -1.637 0.000
H7 1.952 -0.108 0.000

Atom - Atom Distances (Å)
  B1 O2 O3 O4 H5 H6 H7
B11.36851.36851.36851.95531.95531.9553
O21.36852.37042.37040.95983.19012.4476
O31.36852.37042.37042.44760.95983.1901
O41.36852.37042.37043.19012.44760.9598
H51.95530.95982.44763.19013.38683.3868
H61.95533.19010.95982.44763.38683.3868
H71.95532.44763.19010.95983.38683.3868

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 113.070 B1 O3 H6 113.070
B1 O4 H7 113.070 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/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 1.584      
2 O -0.846      
3 O -0.846      
4 O -0.846      
5 H 0.318      
6 H 0.318      
7 H 0.318      


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 -21.057 0.000 0.000
y 0.000 -21.057 0.000
z 0.000 0.000 -23.591
Traceless
 xyz
x 1.267 0.000 0.000
y 0.000 1.267 0.000
z 0.000 0.000 -2.534
Polar
3z2-r2-5.068
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 4.663 0.000 0.000
y 0.000 4.662 0.000
z 0.000 0.000 3.375


<r2> (average value of r2) Å2
<r2> 70.098
(<r2>)1/2 8.372