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

using model chemistry: HF/cc-pVTZ

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 HF/cc-pVTZ
 hartrees
Energy at 0K-165.721172
Energy at 298.15K 
HF Energy-165.721172
Nuclear repulsion energy49.444131
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 HF/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 A1 4288 3903 78.29      
2 A1 781 711 9.99      
3 A1 593 539 216.96      
4 A1 313 285 14.09      
5 A2 187i 170i 0.00      
6 B1 368 335 119.09      
7 B2 4285 3900 194.01      
8 B2 1600 1457 438.64      
9 B2 479 436 292.85      

Unscaled Zero Point Vibrational Energy (zpe) 6260.2 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 5697.4 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 HF/cc-pVTZ
ABC
20.15984 0.23205 0.22941

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.022
O2 0.000 1.414 0.069
O3 0.000 -1.414 0.069
H4 0.000 2.071 -0.595
H5 0.000 -2.071 -0.595

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.41531.41532.16082.1608
O21.41532.82890.93363.5480
O31.41532.82893.54800.9336
H42.16080.93363.54804.1418
H52.16083.54800.93364.1418

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 132.768 Be1 O3 H5 132.768
O2 Be1 O3 176.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.412      
2 O -0.428      
3 O -0.428      
4 H 0.222      
5 H 0.222      


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 -2.408 2.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.309 0.000 0.000
y 0.000 -15.227 0.000
z 0.000 0.000 -14.182
Traceless
 xyz
x -1.605 0.000 0.000
y 0.000 0.018 0.000
z 0.000 0.000 1.587
Polar
3z2-r23.173
x2-y2-1.082
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.203 0.000 0.000
y 0.000 3.179 0.000
z 0.000 0.000 2.355


<r2> (average value of r2) Å2
<r2> 50.893
(<r2>)1/2 7.134

Conformer 2 (C2)

Jump to S1C1
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-165.721703
Energy at 298.15K-165.723217
HF Energy-165.721703
Nuclear repulsion energy49.433344
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 HF/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 4278 3894 39.30      
2 A 777 707 3.51      
3 A 577 525 126.23      
4 A 332 302 53.88      
5 A 190 173 139.53      
6 B 4276 3891 223.59      
7 B 1601 1457 434.00      
8 B 568 517 385.27      
9 B 323 294 98.96      

Unscaled Zero Point Vibrational Energy (zpe) 6460.8 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 5880.0 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 HF/cc-pVTZ
ABC
18.92542 0.23090 0.23078

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.022
O2 0.000 1.416 -0.048
O3 0.000 -1.416 -0.048
H4 0.510 2.038 0.427
H5 -0.510 -2.038 0.427

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.41631.41632.14872.1487
O21.41632.83210.93423.5240
O31.41632.83213.52400.9342
H42.14870.93423.52404.2025
H52.14873.52400.93424.2025

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 131.067 Be1 O3 H5 131.067
O2 Be1 O3 177.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.420      
2 O -0.434      
3 O -0.434      
4 H 0.224      
5 H 0.224      


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 1.686 1.686
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.849 4.309 0.000
y 4.309 -15.827 0.000
z 0.000 0.000 -15.229
Traceless
 xyz
x 0.679 4.309 0.000
y 4.309 -0.789 0.000
z 0.000 0.000 0.109
Polar
3z2-r20.218
x2-y20.979
xy4.309
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.292 0.126 0.000
y 0.126 3.161 0.000
z 0.000 0.000 2.294


<r2> (average value of r2) Å2
<r2> 50.873
(<r2>)1/2 7.133