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

using model chemistry: HF/cc-pVQZ

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
Vibrational Frequencies calculated at HF/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at HF/cc-pVQZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVQZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at HF/cc-pVQZ
 hartrees
Energy at 0K-165.736849
Energy at 298.15K-165.738315
HF Energy-165.736849
Nuclear repulsion energy49.515468
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/cc-pVQZ
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 4288 3895 36.17      
2 A 779 708 2.88      
3 A 555 504 130.31      
4 A 334 303 52.15      
5 A 177 161 151.64      
6 B 4285 3892 243.46      
7 B 1599 1453 460.50      
8 B 549 499 388.96      
9 B 322 293 94.12      

Unscaled Zero Point Vibrational Energy (zpe) 6443.9 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 5853.6 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 HF/cc-pVQZ
ABC
20.13921 0.23158 0.23130

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVQZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.016
O2 0.000 1.413 -0.046
O3 0.000 -1.413 -0.046
H4 0.510 2.055 0.399
H5 -0.510 -2.055 0.399

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.41311.41312.15732.1573
O21.41312.82550.93273.5329
O31.41312.82553.53290.9327
H42.15730.93273.53294.2341
H52.15733.53290.93274.2341

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 132.694 Be1 O3 H5 132.694
O2 Be1 O3 177.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.836      
2 O -0.663      
3 O -0.663      
4 H 0.245      
5 H 0.245      


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 1.613 1.613
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.907 4.399 0.000
y 4.399 -15.676 0.000
z 0.000 0.000 -15.425
Traceless
 xyz
x 0.644 4.399 0.000
y 4.399 -0.511 0.000
z 0.000 0.000 -0.133
Polar
3z2-r2-0.267
x2-y20.770
xy4.399
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.444 0.093 0.000
y 0.093 3.276 0.000
z 0.000 0.000 2.437


<r2> (average value of r2) Å2
<r2> 50.829
(<r2>)1/2 7.129