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All results from a given calculation for Be(OH)2 (Beryllium hydroxide)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-166.478692
Energy at 298.15K 
HF Energy-166.478692
Nuclear repulsion energy49.439196
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 wB97X-D/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at wB97X-D/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-166.482308
Energy at 298.15K-166.483826
HF Energy-166.482308
Nuclear repulsion energy49.146503
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 wB97X-D/6-31G(2df,p)
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 4071 4071 30.85      
2 A 750 750 3.37      
3 A 574 574 83.08      
4 A 321 321 43.48      
5 A 225 225 113.27      
6 B 4069 4069 175.86      
7 B 1563 1563 335.73      
8 B 567 567 338.57      
9 B 314 314 78.10      

Unscaled Zero Point Vibrational Energy (zpe) 6226.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6226.7 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 wB97X-D/6-31G(2df,p)
ABC
16.72467 0.22957 0.22941

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.020
O2 0.000 1.422 -0.051
O3 0.000 -1.422 -0.051
H4 0.545 2.016 0.450
H5 -0.545 -2.016 0.450

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42241.42242.14072.1407
O21.42242.84410.94953.5171
O31.42242.84413.51710.9495
H42.14070.94953.51714.1769
H52.14073.51710.94954.1769

picture of Beryllium hydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 127.856 Be1 O3 H5 127.856
O2 Be1 O3 177.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.079      
2 O -0.280      
3 O -0.280      
4 H 0.319      
5 H 0.319      


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 1.654 1.654
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.806 4.310 0.000
y 4.310 -14.873 0.000
z 0.000 0.000 -15.234
Traceless
 xyz
x 0.247 4.310 0.000
y 4.310 0.147 0.000
z 0.000 0.000 -0.394
Polar
3z2-r2-0.788
x2-y20.067
xy4.310
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.439 0.152 0.000
y 0.152 3.472 0.000
z 0.000 0.000 2.428


<r2> (average value of r2) Å2
<r2> 50.880
(<r2>)1/2 7.133