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

using model chemistry: HSEh1PBE/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 HSEh1PBE/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-166.419734
Energy at 298.15K-166.421173
HF Energy-166.419734
Nuclear repulsion energy49.046705
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 HSEh1PBE/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 4019 3866 25.59      
2 A 746 718 1.66      
3 A 545 524 92.96      
4 A 320 307 33.36      
5 A 192 184 128.07      
6 B 4018 3864 197.22      
7 B 1542 1483 420.67      
8 B 541 520 328.81      
9 B 313 301 70.80      

Unscaled Zero Point Vibrational Energy (zpe) 6117.6 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 5883.9 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 HSEh1PBE/aug-cc-pVTZ
ABC
18.26943 0.22837 0.22807

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.000
O2 0.000 1.423 -0.051
O3 0.000 -1.423 -0.051
H4 0.535 2.057 0.413
H5 -0.535 -2.057 0.413

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42431.42432.16522.1652
O21.42432.84670.95053.5517
O31.42432.84673.55170.9505
H42.16520.95053.55174.2508
H52.16523.55170.95054.2508

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 130.434 Be1 O3 H5 130.434
O2 Be1 O3 175.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.555      
2 O -0.385      
3 O -0.385      
4 H 0.108      
5 H 0.108      


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 1.580 1.580
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.386 4.345 0.000
y 4.345 -15.787 0.000
z 0.000 0.000 -15.949
Traceless
 xyz
x 0.482 4.345 0.000
y 4.345 -0.120 0.000
z 0.000 0.000 -0.363
Polar
3z2-r2-0.725
x2-y20.401
xy4.345
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.157 0.053 0.000
y 0.053 4.189 0.000
z 0.000 0.000 3.153


<r2> (average value of r2) Å2
<r2> 51.644
(<r2>)1/2 7.186