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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-252.528962
Energy at 298.15K-252.533633
Nuclear repulsion energy116.486635
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 mPW1PW91/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' 3921 3761 0.00      
2 A' 1028 986 0.00      
3 A' 888 852 0.00      
4 A" 674 647 79.09      
5 A" 437 419 316.82      
6 E' 3920 3760 107.07      
6 E' 3920 3760 107.07      
7 E' 1475 1415 399.03      
7 E' 1475 1415 399.06      
8 E' 1026 984 172.76      
8 E' 1026 984 172.75      
9 E' 430 412 29.14      
9 E' 430 412 29.14      
10 E" 529 507 0.00      
10 E" 529 507 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10853.6 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 10410.8 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 mPW1PW91/cc-pVTZ
ABC
0.33403 0.33403 0.16701

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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 1.366 0.000
O3 -1.183 -0.683 0.000
O4 1.183 -0.683 0.000
H5 -0.887 1.726 0.000
H6 -1.051 -1.631 0.000
H7 1.938 -0.095 0.000

Atom - Atom Distances (Å)
  B1 O2 O3 O4 H5 H6 H7
B11.36611.36611.36611.94061.94061.9406
O21.36612.36612.36610.95713.17622.4273
O31.36612.36612.36612.42730.95713.1762
O41.36612.36612.36613.17622.42730.9571
H51.94060.95712.42733.17623.36123.3612
H61.94063.17620.95712.42733.36123.3612
H71.94062.42733.17620.95713.36123.3612

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 112.094 B1 O3 H6 112.094
B1 O4 H7 112.094 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 mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.188      
2 O -0.277      
3 O -0.277      
4 O -0.277      
5 H 0.214      
6 H 0.214      
7 H 0.214      


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 -20.342 0.000 0.000
y 0.000 -20.342 0.000
z 0.000 0.000 -23.044
Traceless
 xyz
x 1.351 0.000 0.000
y 0.000 1.351 0.000
z 0.000 0.000 -2.702
Polar
3z2-r2-5.404
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 4.072 0.000 0.000
y 0.000 4.072 0.000
z 0.000 0.000 2.702


<r2> (average value of r2) Å2
<r2> 69.354
(<r2>)1/2 8.328