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

using model chemistry: MP3/Def2TZVPP

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 MP3/Def2TZVPP
 hartrees
Energy at 0K-166.252133
Energy at 298.15K 
HF Energy-165.723023
Nuclear repulsion energy48.966120
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 MP3/Def2TZVPP
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 4105 4105 55.70      
2 A1 750 750 7.14      
3 A1 606 606 180.62      
4 A1 298 298 14.24      
5 A2 203i 203i 0.00      
6 B1 350 350 73.46      
7 B2 4103 4103 156.96      
8 B2 1544 1544 423.04      
9 B2 492 492 283.14      

Unscaled Zero Point Vibrational Energy (zpe) 6022.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6022.6 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 MP3/Def2TZVPP
ABC
18.32105 0.22830 0.22549

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.002
O2 0.000 1.428 0.077
O3 0.000 -1.428 0.077
H4 0.000 2.071 -0.615
H5 0.000 -2.071 -0.615

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42981.42982.15982.1598
O21.42982.85520.94543.5666
O31.42982.85523.56660.9454
H42.15980.94543.56664.1422
H52.15983.56660.94544.1422

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 129.699 Be1 O3 H5 129.699
O2 Be1 O3 173.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP3/Def2TZVPP
 hartrees
Energy at 0K-166.252895
Energy at 298.15K-166.254381
HF Energy-165.723700
Nuclear repulsion energy48.950406
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 MP3/Def2TZVPP
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 4092 4092 25.34      
2 A 745 745 1.79      
3 A 594 594 92.82      
4 A 317 317 43.43      
5 A 193 193 140.70      
6 B 4090 4090 174.92      
7 B 1544 1544 414.87      
8 B 587 587 350.82      
9 B 309 309 79.49      

Unscaled Zero Point Vibrational Energy (zpe) 6235.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6235.5 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 MP3/Def2TZVPP
ABC
16.94876 0.22717 0.22679

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
O2 0.000 1.430 -0.053
O3 0.000 -1.430 -0.053
H4 0.560 2.026 0.423
H5 -0.560 -2.026 0.423

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43111.43112.14412.1441
O21.43112.86020.94623.5335
O31.43112.86023.53350.9462
H42.14410.94623.53354.2042
H52.14413.53350.94624.2042

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 127.639 Be1 O3 H5 127.639
O2 Be1 O3 175.717
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability