return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-52.623160
Energy at 298.15K-52.627789
Nuclear repulsion energy63.616100
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 B3LYP/CEP-121G
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' 3784 3687 0.00      
2 A' 944 920 0.00      
3 A' 852 830 0.00      
4 A" 664 647 220.97      
5 A" 480 468 494.83      
6 E' 3785 3688 73.42      
6 E' 3785 3688 73.41      
7 E' 1414 1378 406.42      
7 E' 1414 1378 406.34      
8 E' 938 914 293.25      
8 E' 938 914 293.26      
9 E' 406 396 43.82      
9 E' 406 396 43.82      
10 E" 547 533 0.00      
10 E" 547 533 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10451.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 10185.1 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 B3LYP/CEP-121G
ABC
0.32179 0.32179 0.16090

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
O2 0.000 1.386 0.000
O3 -1.200 -0.693 0.000
O4 1.200 -0.693 0.000
H5 -0.850 1.858 0.000
H6 -1.184 -1.665 0.000
H7 2.034 -0.192 0.000

Atom - Atom Distances (Å)
  B1 O2 O3 O4 H5 H6 H7
B11.38581.38581.38582.04292.04292.0429
O21.38582.40032.40030.97243.27252.5743
O31.38582.40032.40032.57430.97243.2725
O41.38582.40032.40033.27252.57430.9724
H52.04290.97242.57433.27253.53853.5385
H62.04293.27250.97242.57433.53853.5385
H72.04292.57433.27250.97243.53853.5385

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 119.021 B1 O3 H6 119.021
B1 O4 H7 119.021 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 B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.228      
2 O -0.462      
3 O -0.462      
4 O -0.462      
5 H 0.387      
6 H 0.387      
7 H 0.387      


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 -20.539 0.000 0.000
y 0.000 -20.539 0.000
z 0.000 0.000 -23.655
Traceless
 xyz
x 1.558 0.000 0.000
y 0.000 1.558 0.000
z 0.000 0.000 -3.117
Polar
3z2-r2-6.233
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 3.864 0.000 0.000
y 0.000 3.864 0.000
z 0.000 0.000 2.050


<r2> (average value of r2) Å2
<r2> 60.566
(<r2>)1/2 7.782