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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G**
 hartrees
Energy at 0K-166.078332
Energy at 298.15K 
HF Energy-165.649317
Nuclear repulsion energy48.779127
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 CCSD(T)/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 4048 3839        
2 A1 745 707        
3 A1 596 565        
4 A1 285 270        
5 A2 248i 235i        
6 B1 341 323        
7 B2 4046 3838        
8 B2 1553 1473        
9 B2 455 431        

Unscaled Zero Point Vibrational Energy (zpe) 5910.2 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 5605.8 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 CCSD(T)/6-31G**
ABC
16.08200 0.22758 0.22441

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.019
O2 0.000 1.434 0.078
O3 0.000 -1.434 0.078
H4 0.000 2.033 -0.665
H5 0.000 -2.033 -0.665

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43481.43482.14492.1449
O21.43482.86710.95463.5452
O31.43482.86713.54520.9546
H42.14490.95463.54524.0659
H52.14493.54520.95464.0659

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 126.533 Be1 O3 H5 126.533
O2 Be1 O3 175.277
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD(T)/6-31G**
 hartrees
Energy at 0K-166.079512
Energy at 298.15K-166.081016
HF Energy-165.649942
Nuclear repulsion energy48.747650
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 CCSD(T)/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 4024 3816        
2 A 738 700        
3 A 594 563        
4 A 299 284        
5 A 243 231        
6 B 4023 3816        
7 B 1550 1470        
8 B 583 553        
9 B 294 279        

Unscaled Zero Point Vibrational Energy (zpe) 6173.8 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 5855.9 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 CCSD(T)/6-31G**
ABC
14.65420 0.22610 0.22609

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.027
O2 0.000 1.437 -0.055
O3 0.000 -1.437 -0.055
H4 0.565 1.977 0.496
H5 -0.565 -1.977 0.496

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43711.43712.12122.1212
O21.43712.87360.95623.5035
O31.43712.87363.50350.9562
H42.12120.95623.50354.1115
H52.12123.50350.95624.1115

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 123.571 Be1 O3 H5 123.571
O2 Be1 O3 177.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability