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

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 3 yes D*H 1Σg

Conformer 1 (C2V)

Jump to S1C2 S1C3
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-166.279238
Energy at 298.15K 
HF Energy-166.188263
Nuclear repulsion energy49.487922
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 B2PLYP/6-31G
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-166.279432
Energy at 298.15K 
HF Energy-166.188600
Nuclear repulsion energy49.407111
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 B2PLYP/6-31G
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-166.279434
Energy at 298.15K-166.279499
HF Energy-166.188581
Nuclear repulsion energy49.384783
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 4089 4089 0.00      
2 Σg 789 789 0.00      
3 Σu 4087 4087 377.48      
4 Σu 1684 1684 424.78      
5 Πg 82 82 0.00      
5 Πg 82 82 0.00      
6 Πu 395 395 69.70      
6 Πu 395 395 69.70      
7 Πu 98 98 535.94      
7 Πu 98 98 535.94      

Unscaled Zero Point Vibrational Energy (zpe) 5899.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5899.3 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 B2PLYP/6-31G
B
0.22829

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
O2 0.000 0.000 1.400
O3 0.000 0.000 -1.400
H4 0.000 0.000 2.348
H5 0.000 0.000 -2.348

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.40031.40032.34822.3482
O21.40032.80060.94793.7485
O31.40032.80063.74850.9479
H42.34820.94793.74854.6964
H52.34823.74850.94794.6964

picture of Beryllium hydroxide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 180.000 Be1 O3 H5 180.000
O2 Be1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.685      
2 O -0.743      
3 O -0.743      
4 H 0.401      
5 H 0.401      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.497 0.000 0.000
y 0.000 -16.497 0.000
z 0.000 0.000 -7.293
Traceless
 xyz
x -4.602 0.000 0.000
y 0.000 -4.602 0.000
z 0.000 0.000 9.204
Polar
3z2-r218.408
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.267 0.000 0.000
y 0.000 1.267 0.000
z 0.000 0.000 3.728


<r2> (average value of r2) Å2
<r2> 50.790
(<r2>)1/2 7.127