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

using model chemistry: PBEPBE/6-31G(2df,p)

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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-166.334204
Energy at 298.15K 
HF Energy-166.334204
Nuclear repulsion energy48.883150
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 PBEPBE/6-31G(2df,p)
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 3897 3857 44.34      
2 A1 743 736 9.12      
3 A1 597 590 115.43      
4 A1 305 302 6.47      
5 A2 232i 230i 0.00      
6 B1 344 340 40.41      
7 B2 3895 3855 130.83      
8 B2 1539 1524 274.81      
9 B2 485 480 279.87      

Unscaled Zero Point Vibrational Energy (zpe) 5786.4 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 5726.8 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 PBEPBE/6-31G(2df,p)
ABC
16.34143 0.22935 0.22617

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.002
O2 0.000 1.426 0.081
O3 0.000 -1.426 0.081
H4 0.000 2.046 -0.653
H5 0.000 -2.046 -0.653

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42841.42842.14792.1479
O21.42842.85240.96063.5486
O31.42842.85243.54860.9606
H42.14790.96063.54864.0912
H52.14793.54860.96064.0912

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 126.961 Be1 O3 H5 126.961
O2 Be1 O3 173.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.227      
2 O -0.185      
3 O -0.185      
4 H 0.298      
5 H 0.298      


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 -2.323 2.323
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.735 0.000 0.000
y 0.000 -14.061 0.000
z 0.000 0.000 -14.269
Traceless
 xyz
x -2.569 0.000 0.000
y 0.000 1.441 0.000
z 0.000 0.000 1.129
Polar
3z2-r22.257
x2-y2-2.673
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.574 0.000 0.000
y 0.000 3.906 0.000
z 0.000 0.000 2.712


<r2> (average value of r2) Å2
<r2> 51.255
(<r2>)1/2 7.159

Conformer 2 (C2)

Jump to S1C1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-166.335220
Energy at 298.15K-166.336755
HF Energy-166.335220
Nuclear repulsion energy48.853103
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 PBEPBE/6-31G(2df,p)
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 3873 3833 24.34      
2 A 738 730 3.42      
3 A 592 586 61.54      
4 A 313 310 24.61      
5 A 234 232 95.75      
6 B 3871 3832 133.78      
7 B 1537 1521 265.74      
8 B 583 577 299.77      
9 B 313 309 64.31      

Unscaled Zero Point Vibrational Energy (zpe) 6026.7 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 5964.6 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 PBEPBE/6-31G(2df,p)
ABC
14.96215 0.22781 0.22777

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.012
O2 0.000 1.430 -0.058
O3 0.000 -1.430 -0.058
H4 0.557 1.991 0.489
H5 -0.557 -1.991 0.489

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43041.43042.12772.1277
O21.43042.85920.96213.5090
O31.43042.85923.50900.9621
H42.12770.96213.50904.1357
H52.12773.50900.96214.1357

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 124.408 Be1 O3 H5 124.408
O2 Be1 O3 176.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.216      
2 O -0.189      
3 O -0.189      
4 H 0.298      
5 H 0.298      


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 1.692 1.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.113 4.127 0.000
y 4.127 -14.975 0.000
z 0.000 0.000 -15.385
Traceless
 xyz
x 0.068 4.127 0.000
y 4.127 0.274 0.000
z 0.000 0.000 -0.342
Polar
3z2-r2-0.683
x2-y2-0.137
xy4.127
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.668 0.156 0.000
y 0.156 3.880 0.000
z 0.000 0.000 2.668


<r2> (average value of r2) Å2
<r2> 51.253
(<r2>)1/2 7.159