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

using model chemistry: B3LYP/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 B3LYP/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at B3LYP/cc-pVQZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at B3LYP/cc-pVQZ
 hartrees
Energy at 0K-166.618694
Energy at 298.15K-166.620131
HF Energy-166.618694
Nuclear repulsion energy49.089631
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/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 3981 3856 27.59      
2 A 750 727 2.01      
3 A 537 521 105.11      
4 A 316 306 24.61      
5 A 206 200 119.96      
6 B 3978 3854 189.76      
7 B 1543 1495 391.16      
8 B 525 509 329.74      
9 B 312 303 72.09      

Unscaled Zero Point Vibrational Energy (zpe) 6074.5 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 5885.0 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/cc-pVQZ
ABC
18.69395 0.22873 0.22872

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.004
O2 0.000 1.421 -0.053
O3 0.000 -1.421 -0.053
H4 0.503 2.066 0.433
H5 -0.503 -2.066 0.433

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42181.42182.17072.1707
O21.42182.84190.95173.5563
O31.42182.84193.55630.9517
H42.17070.95173.55634.2525
H52.17073.55630.95174.2525

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 131.266 Be1 O3 H5 131.266
O2 Be1 O3 176.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.737      
2 O -0.601      
3 O -0.601      
4 H 0.232      
5 H 0.232      


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 1.673 1.673
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.520 4.129 0.000
y 4.129 -15.415 0.000
z 0.000 0.000 -15.814
Traceless
 xyz
x 0.094 4.129 0.000
y 4.129 0.252 0.000
z 0.000 0.000 -0.346
Polar
3z2-r2-0.693
x2-y2-0.106
xy4.129
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.848 0.082 0.000
y 0.082 4.043 0.000
z 0.000 0.000 2.860


<r2> (average value of r2) Å2
<r2> 51.500
(<r2>)1/2 7.176