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

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-166.461582
Energy at 298.15K 
HF Energy-166.461582
Nuclear repulsion energy49.448671
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 B3PW91/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-166.464810
Energy at 298.15K-166.466331
HF Energy-166.464810
Nuclear repulsion energy49.160354
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 B3PW91/6-31G(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 4011 3856 30.02      
2 A 753 724 3.30      
3 A 585 562 77.51      
4 A 319 307 35.14      
5 A 217 209 107.56      
6 B 4009 3854 163.94      
7 B 1568 1507 314.13      
8 B 576 554 327.74      
9 B 316 304 73.99      

Unscaled Zero Point Vibrational Energy (zpe) 6177.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 5938.6 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 B3PW91/6-31G(2df,p)
ABC
16.12697 0.23007 0.23001

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.017
O2 0.000 1.421 -0.054
O3 0.000 -1.421 -0.054
H4 0.546 2.003 0.466
H5 -0.546 -2.003 0.466

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42161.42162.13152.1315
O21.42162.84210.95223.5062
O31.42162.84213.50620.9522
H42.13150.95223.50624.1523
H52.13153.50620.95224.1523

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 126.644 Be1 O3 H5 126.644
O2 Be1 O3 176.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.106      
2 O -0.262      
3 O -0.262      
4 H 0.315      
5 H 0.315      


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 1.681 1.681
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.838 4.218 0.000
y 4.218 -14.882 0.000
z 0.000 0.000 -15.182
Traceless
 xyz
x 0.193 4.218 0.000
y 4.218 0.129 0.000
z 0.000 0.000 -0.322
Polar
3z2-r2-0.644
x2-y20.043
xy4.218
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.488 0.152 0.000
y 0.152 3.579 0.000
z 0.000 0.000 2.482


<r2> (average value of r2) Å2
<r2> 50.762
(<r2>)1/2 7.125