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

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-166.307817
Energy at 298.15K 
HF Energy-166.307817
Nuclear repulsion energy48.942545
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/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 A1 3974 3787 53.08      
2 A1 744 709 6.25      
3 A1 590 562 177.34      
4 A1 272 260 6.45      
5 A2 233i 222i 0.00      
6 B1 330 315 68.56      
7 B2 3971 3785 129.33      
8 B2 1554 1481 346.92      
9 B2 456 434 334.41      

Unscaled Zero Point Vibrational Energy (zpe) 5828.6 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 5555.2 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/6-31G**
ABC
16.19524 0.22963 0.22642

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.016
O2 0.000 1.426 0.079
O3 0.000 -1.426 0.079
H4 0.000 2.033 -0.661
H5 0.000 -2.033 -0.661

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42781.42782.14252.1425
O21.42782.85280.95663.5373
O31.42782.85283.53730.9566
H42.14250.95663.53734.0653
H52.14253.53730.95664.0653

picture of Beryllium hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 126.807 Be1 O3 H5 126.807
O2 Be1 O3 174.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.353      
2 O -0.593      
3 O -0.593      
4 H 0.416      
5 H 0.416      


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 -2.686 2.686
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.481 0.000 0.000
y 0.000 -14.442 0.000
z 0.000 0.000 -13.874
Traceless
 xyz
x -2.323 0.000 0.000
y 0.000 0.736 0.000
z 0.000 0.000 1.587
Polar
3z2-r23.175
x2-y2-2.039
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.880 0.000 0.000
y 0.000 3.510 0.000
z 0.000 0.000 2.117


<r2> (average value of r2) Å2
<r2> 51.118
(<r2>)1/2 7.150

Conformer 2 (C2)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-166.308861
Energy at 298.15K-166.310324
HF Energy-166.308861
Nuclear repulsion energy48.916443
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/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 A 3948 3763 28.31      
2 A 738 703 1.94      
3 A 589 561 95.31      
4 A 288 275 52.46      
5 A 236 225 110.87      
6 B 3947 3762 135.59      
7 B 1550 1477 337.74      
8 B 581 553 372.48      
9 B 284 271 91.48      

Unscaled Zero Point Vibrational Energy (zpe) 6080.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 5794.9 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 PBE1PBE/6-31G**
ABC
14.65916 0.22820 0.22819

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.025
O2 0.000 1.430 -0.056
O3 0.000 -1.430 -0.056
H4 0.565 1.973 0.496
H5 -0.565 -1.973 0.496

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43001.43002.11722.1172
O21.43002.85930.95833.4930
O31.43002.85933.49300.9583
H42.11720.95833.49304.1045
H52.11723.49300.95834.1045

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 123.673 Be1 O3 H5 123.673
O2 Be1 O3 177.512
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.350      
2 O -0.592      
3 O -0.592      
4 H 0.417      
5 H 0.417      


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 1.948 1.948
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.732 4.579 0.000
y 4.579 -15.536 0.000
z 0.000 0.000 -15.049
Traceless
 xyz
x 0.560 4.579 0.000
y 4.579 -0.646 0.000
z 0.000 0.000 0.086
Polar
3z2-r20.171
x2-y20.804
xy4.579
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.035 0.185 0.000
y 0.185 3.478 0.000
z 0.000 0.000 2.036


<r2> (average value of r2) Å2
<r2> 51.104
(<r2>)1/2 7.149