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

using model chemistry: CCSD(T)/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 CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-166.279143
Energy at 298.15K 
HF Energy-165.719960
Nuclear repulsion energy48.832980
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)/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 4003 3902        
2 A1 747 728        
3 A1 604 589        
4 A1 301 294        
5 A2 217i 211i        
6 B1 342 333        
7 B2 4001 3900        
8 B2 1539 1500        
9 B2 496 484        

Unscaled Zero Point Vibrational Energy (zpe) 5908.1 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 5759.2 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 CCSD(T)/cc-pVTZ
ABC
16.95437 0.22780 0.22478

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.003
O2 0.000 1.431 0.080
O3 0.000 -1.431 0.080
H4 0.000 2.053 -0.642
H5 0.000 -2.053 -0.642

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43301.43302.15182.1518
O21.43302.86200.95243.5579
O31.43302.86203.55790.9524
H42.15180.95243.55794.1061
H52.15183.55790.95244.1061

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 127.708 Be1 O3 H5 127.708
O2 Be1 O3 173.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-166.279944
Energy at 298.15K-166.281468
HF Energy-165.720445
Nuclear repulsion energy48.810615
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)/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 3986 3886        
2 A 741 722        
3 A 601 586        
4 A 310 302        
5 A 221 216        
6 B 3985 3884        
7 B 1538 1499        
8 B 586 571        
9 B 306 298        

Unscaled Zero Point Vibrational Energy (zpe) 6136.6 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 5981.9 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)/cc-pVTZ
ABC
15.59978 0.22643 0.22627

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.012
O2 0.000 1.434 -0.058
O3 0.000 -1.434 -0.058
H4 0.535 2.004 0.488
H5 -0.535 -2.004 0.488

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43471.43472.13332.1333
O21.43472.86800.95353.5215
O31.43472.86803.52150.9535
H42.13330.95353.52154.1476
H52.13333.52150.95354.1476

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 125.363 Be1 O3 H5 125.363
O2 Be1 O3 176.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability