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

using model chemistry: BLYP/aug-cc-pVTZ

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-166.571747
Energy at 298.15K-166.573188
HF Energy-166.571747
Nuclear repulsion energy48.587892
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 BLYP/aug-cc-pVTZ
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 3838 3825 18.60      
2 A 724 721 1.43      
3 A 544 542 78.93      
4 A 317 316 22.01      
5 A 204 203 125.51      
6 B 3836 3823 163.25      
7 B 1490 1484 397.71      
8 B 540 538 308.88      
9 B 313 312 59.37      

Unscaled Zero Point Vibrational Energy (zpe) 5901.5 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 5881.4 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 BLYP/aug-cc-pVTZ
ABC
17.77621 0.22445 0.22415

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.011
O2 0.000 1.435 -0.054
O3 0.000 -1.435 -0.054
H4 0.544 2.078 0.412
H5 -0.544 -2.078 0.412

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43691.43692.18502.1850
O21.43692.87080.96233.5857
O31.43692.87083.58570.9623
H42.18500.96233.58574.2959
H52.18503.58570.96234.2959

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 130.168 Be1 O3 H5 130.168
O2 Be1 O3 174.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.380      
2 O -0.296      
3 O -0.296      
4 H 0.106      
5 H 0.106      


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 1.569 1.569
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.829 4.327 0.000
y 4.327 -16.068 0.000
z 0.000 0.000 -16.428
Traceless
 xyz
x 0.419 4.327 0.000
y 4.327 0.060 0.000
z 0.000 0.000 -0.479
Polar
3z2-r2-0.958
x2-y20.239
xy4.327
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.492 0.050 0.000
y 0.050 4.718 0.000
z 0.000 0.000 3.492


<r2> (average value of r2) Å2
<r2> 52.641
(<r2>)1/2 7.255