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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-251.202763
Energy at 298.15K-251.207617
Nuclear repulsion energy117.333845
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 HF/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' 4218 3807 0.00      
2 A' 1110 1002 0.00      
3 A' 931 840 0.00      
4 A" 737 665 208.59      
5 A" 474 428 372.34      
6 E' 4215 3805 153.57      
6 E' 4215 3805 153.57      
7 E' 1562 1409 539.79      
7 E' 1562 1409 539.79      
8 E' 1104 997 197.62      
8 E' 1104 997 197.62      
9 E' 461 416 33.34      
9 E' 461 416 33.34      
10 E" 561 507 0.00      
10 E" 561 507 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11637.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 10504.3 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 HF/6-31G**
ABC
0.33827 0.33827 0.16914

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/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 1.357 0.000
O3 -1.175 -0.679 0.000
O4 1.175 -0.679 0.000
H5 -0.867 1.726 0.000
H6 -1.061 -1.614 0.000
H7 1.928 -0.112 0.000

Atom - Atom Distances (Å)
  B1 O2 O3 O4 H5 H6 H7
B11.35721.35721.35721.93171.93171.9317
O21.35722.35072.35070.94243.15512.4244
O31.35722.35072.35072.42440.94243.1551
O41.35722.35072.35073.15512.42440.9424
H51.93170.94242.42443.15513.34583.3458
H61.93173.15510.94242.42443.34583.3458
H71.93172.42443.15510.94243.34583.3458

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 113.045 B1 O3 H6 113.045
B1 O4 H7 113.045 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 HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.784      
2 O -0.613      
3 O -0.613      
4 O -0.613      
5 H 0.352      
6 H 0.352      
7 H 0.352      


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 -20.172 0.000 0.000
y 0.000 -20.172 0.000
z 0.000 0.000 -22.390
Traceless
 xyz
x 1.109 0.000 0.000
y 0.000 1.109 0.000
z 0.000 0.000 -2.218
Polar
3z2-r2-4.435
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 3.008 0.000 0.000
y 0.000 3.008 0.000
z 0.000 0.000 1.734


<r2> (average value of r2) Å2
<r2> 68.463
(<r2>)1/2 8.274