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

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-250.998792
Energy at 298.15K-251.003358
Nuclear repulsion energy114.726136
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 B1B95/3-21G*
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' 3663 3498 0.00      
2 A' 995 950 0.00      
3 A' 888 848 0.00      
4 A" 649 619 207.79      
5 A" 433 414 419.73      
6 E' 3665 3500 61.46      
6 E' 3665 3500 61.49      
7 E' 1532 1463 347.56      
7 E' 1532 1463 347.51      
8 E' 996 951 258.38      
8 E' 996 951 258.40      
9 E' 411 392 37.88      
9 E' 411 392 37.88      
10 E" 518 494 0.00      
10 E" 518 494 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10434.7 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 9964.1 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 B1B95/3-21G*
ABC
0.32483 0.32483 0.16242

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
O2 0.000 1.382 0.000
O3 -1.197 -0.691 0.000
O4 1.197 -0.691 0.000
H5 -0.891 1.794 0.000
H6 -1.108 -1.669 0.000
H7 2.000 -0.125 0.000

Atom - Atom Distances (Å)
  B1 O2 O3 O4 H5 H6 H7
B11.38211.38211.38212.00362.00362.0036
O21.38212.39382.39380.98203.24622.5042
O31.38212.39382.39382.50420.98203.2462
O41.38212.39382.39383.24622.50420.9820
H52.00360.98202.50423.24623.47033.4703
H62.00363.24620.98202.50423.47033.4703
H72.00362.50423.24620.98203.47033.4703

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 114.828 B1 O3 H6 114.828
B1 O4 H7 114.828 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 B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.739      
2 O -0.630      
3 O -0.630      
4 O -0.630      
5 H 0.384      
6 H 0.384      
7 H 0.384      


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 -19.452 0.000 0.000
y 0.000 -19.452 0.000
z 0.000 0.000 -22.399
Traceless
 xyz
x 1.474 0.000 0.000
y 0.000 1.474 0.000
z 0.000 0.000 -2.947
Polar
3z2-r2-5.895
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 3.257 -0.000 0.000
y -0.000 3.256 0.000
z 0.000 0.000 1.243


<r2> (average value of r2) Å2
<r2> 70.648
(<r2>)1/2 8.405