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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-252.306504
Energy at 298.15K-252.311173
Nuclear repulsion energy115.205230
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
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' 3813 3636 0.00      
2 A' 980 934 0.00      
3 A' 862 822 0.00      
4 A" 659 629 280.21      
5 A" 496 473 436.10      
6 E' 3813 3637 88.83      
6 E' 3813 3637 88.84      
7 E' 1465 1397 393.98      
7 E' 1465 1397 393.87      
8 E' 972 927 280.51      
8 E' 972 927 280.53      
9 E' 408 389 40.73      
9 E' 408 389 40.73      
10 E" 570 544 0.00      
10 E" 570 544 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10633.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 10141.5 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
ABC
0.32670 0.32670 0.16335

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
O2 0.000 1.377 0.000
O3 -1.192 -0.688 0.000
O4 1.192 -0.688 0.000
H5 -0.859 1.821 0.000
H6 -1.148 -1.654 0.000
H7 2.006 -0.167 0.000

Atom - Atom Distances (Å)
  B1 O2 O3 O4 H5 H6 H7
B11.37671.37671.37672.01322.01322.0132
O21.37672.38452.38450.96683.24082.5313
O31.37672.38452.38452.53130.96683.2408
O41.37672.38452.38453.24082.53130.9668
H52.01320.96682.53133.24083.48703.4870
H62.01323.24080.96682.53133.48703.4870
H72.01322.53133.24080.96683.48703.4870

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 117.350 B1 O3 H6 117.350
B1 O4 H7 117.350 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 B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.742      
2 O -0.652      
3 O -0.652      
4 O -0.652      
5 H 0.405      
6 H 0.405      
7 H 0.405      


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 -19.953 0.000 0.000
y 0.000 -19.953 0.000
z 0.000 0.000 -22.893
Traceless
 xyz
x 1.470 0.000 0.000
y 0.000 1.470 0.000
z 0.000 0.000 -2.940
Polar
3z2-r2-5.879
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 3.417 -0.000 0.000
y -0.000 3.417 0.000
z 0.000 0.000 1.459


<r2> (average value of r2) Å2
<r2> 70.721
(<r2>)1/2 8.410