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

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-251.344806
Energy at 298.15K-251.349379
Nuclear repulsion energy116.598189
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 LSDA/cc-pVTZ
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' 3772 3730 0.00      
2 A' 979 969 0.00      
3 A' 882 872 0.00      
4 A" 649 642 63.64      
5 A" 423 418 318.01      
6 E' 3772 3730 109.20      
6 E' 3772 3730 109.19      
7 E' 1472 1456 357.25      
7 E' 1472 1456 357.23      
8 E' 980 969 176.83      
8 E' 980 969 176.83      
9 E' 409 405 32.56      
9 E' 409 405 32.57      
10 E" 524 518 0.00      
10 E" 524 518 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10508.0 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 10393.4 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 LSDA/cc-pVTZ
ABC
0.33579 0.33579 0.16790

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
O2 0.000 1.362 0.000
O3 -1.179 -0.681 0.000
O4 1.179 -0.681 0.000
H5 -0.902 1.721 0.000
H6 -1.039 -1.641 0.000
H7 1.941 -0.080 0.000

Atom - Atom Distances (Å)
  B1 O2 O3 O4 H5 H6 H7
B11.36191.36191.36191.94261.94261.9426
O21.36192.35882.35880.97033.17772.4176
O31.36192.35882.35882.41760.97033.1777
O41.36192.35882.35883.17772.41760.9703
H51.94260.97032.41763.17773.36463.3646
H61.94263.17770.97032.41763.36463.3646
H71.94262.41763.17770.97033.36463.3646

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 111.703 B1 O3 H6 111.703
B1 O4 H7 111.703 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 LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.068      
2 O -0.248      
3 O -0.248      
4 O -0.248      
5 H 0.225      
6 H 0.225      
7 H 0.225      


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 -20.355 0.000 0.000
y 0.000 -20.355 0.000
z 0.000 0.000 -23.453
Traceless
 xyz
x 1.549 0.000 0.000
y 0.000 1.549 0.000
z 0.000 0.000 -3.097
Polar
3z2-r2-6.194
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 4.343 0.000 0.000
y 0.000 4.343 0.000
z 0.000 0.000 2.812


<r2> (average value of r2) Å2
<r2> 69.191
(<r2>)1/2 8.318