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

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-166.402970
Energy at 298.15K-166.404420
HF Energy-166.402970
Nuclear repulsion energy49.050238
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 PBE1PBE/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 4025 3870 25.91      
2 A 748 719 1.70      
3 A 549 528 92.20      
4 A 320 308 34.39      
5 A 194 186 127.79      
6 B 4023 3868 196.08      
7 B 1544 1485 419.64      
8 B 545 524 329.41      
9 B 314 301 71.31      

Unscaled Zero Point Vibrational Energy (zpe) 6130.7 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 5894.7 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 PBE1PBE/aug-cc-pVTZ
ABC
18.09860 0.22845 0.22815

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.001
O2 0.000 1.423 -0.052
O3 0.000 -1.423 -0.052
H4 0.538 2.053 0.415
H5 -0.538 -2.053 0.415

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42421.42422.16302.1630
O21.42422.84670.95073.5488
O31.42422.84673.54880.9507
H42.16300.95073.54884.2450
H52.16303.54880.95074.2450

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 130.157 Be1 O3 H5 130.157
O2 Be1 O3 175.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.535      
2 O -0.374      
3 O -0.374      
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 1.584 1.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.364 4.355 0.000
y 4.355 -15.847 0.000
z 0.000 0.000 -15.930
Traceless
 xyz
x 0.525 4.355 0.000
y 4.355 -0.200 0.000
z 0.000 0.000 -0.325
Polar
3z2-r2-0.649
x2-y20.483
xy4.355
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.152 0.053 0.000
y 0.053 4.176 0.000
z 0.000 0.000 3.148


<r2> (average value of r2) Å2
<r2> 51.627
(<r2>)1/2 7.185