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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-250.182142
Energy at 298.15K-250.186823
Nuclear repulsion energy114.247520
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 CISD/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' 3741 3495 0.00      
2 A' 1051 982 0.00      
3 A' 899 840 0.00      
4 A" 678 634 299.38      
5 A" 455 426 403.22      
6 E' 3739 3494 66.75      
6 E' 3739 3494 66.75      
7 E' 1552 1450 393.36      
7 E' 1552 1450 393.36      
8 E' 1050 981 271.21      
8 E' 1050 981 271.21      
9 E' 428 400 37.70      
9 E' 428 400 37.70      
10 E" 529 495 0.00      
10 E" 529 495 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10710.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 10007.4 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 CISD/3-21G*
ABC
0.32151 0.32151 0.16075

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/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 1.389 0.000
O3 -1.203 -0.695 0.000
O4 1.203 -0.695 0.000
H5 -0.883 1.810 0.000
H6 -1.126 -1.669 0.000
H7 2.009 -0.141 0.000

Atom - Atom Distances (Å)
  B1 O2 O3 O4 H5 H6 H7
B11.38921.38921.38922.01382.01382.0138
O21.38922.40622.40620.97783.25942.5250
O31.38922.40622.40622.52500.97783.2594
O41.38922.40622.40623.25942.52500.9778
H52.01380.97782.52503.25943.48803.4880
H62.01383.25940.97782.52503.48803.4880
H72.01382.52503.25940.97783.48803.4880

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 115.491 B1 O3 H6 115.491
B1 O4 H7 115.491 O2 B1 O3 120.000
O2 B1 O4 120.000 O3 B1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability