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

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-166.400488
Energy at 298.15K-166.401922
HF Energy-166.400488
Nuclear repulsion energy48.643837
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 PBEPBEultrafine/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 3869 3826 21.21      
2 A 726 717 1.81      
3 A 551 545 79.04      
4 A 311 307 23.16      
5 A 201 199 113.88      
6 B 3868 3825 161.58      
7 B 1497 1480 383.85      
8 B 545 539 301.61      
9 B 307 304 62.37      

Unscaled Zero Point Vibrational Energy (zpe) 5937.9 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5871.4 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
16.99896 0.22505 0.22489

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.006
O2 0.000 1.435 -0.056
O3 0.000 -1.435 -0.056
H4 0.542 2.057 0.437
H5 -0.542 -2.057 0.437

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43601.43602.17062.1706
O21.43602.86920.96143.5679
O31.43602.86923.56790.9614
H42.17060.96143.56794.2550
H52.17063.56790.96144.2550

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 128.674 Be1 O3 H5 128.674
O2 Be1 O3 175.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.437      
2 O -0.323      
3 O -0.323      
4 H 0.105      
5 H 0.105      


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 -15.736 4.253 0.000
y 4.253 -16.116 0.000
z 0.000 0.000 -16.203
Traceless
 xyz
x 0.424 4.253 0.000
y 4.253 -0.147 0.000
z 0.000 0.000 -0.277
Polar
3z2-r2-0.554
x2-y20.380
xy4.253
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.473 0.043 0.000
y 0.043 4.661 0.000
z 0.000 0.000 3.475


<r2> (average value of r2) Å2
<r2> 52.418
(<r2>)1/2 7.240