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

using model chemistry: CISD/6-311+G(3df,2p)

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 CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-166.210204
Energy at 298.15K 
HF Energy-165.720587
Nuclear repulsion energy49.280294
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 CISD/6-311+G(3df,2p)
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 4191 3863 61.26      
2 A1 766 706 4.21      
3 A1 518 477 224.31      
4 A1 286 264 8.99      
5 A2 184i 170i 0.00      
6 B1 338 311 73.91      
7 B2 4188 3860 212.08      
8 B2 1571 1449 459.80      
9 B2 417 384 267.41      

Unscaled Zero Point Vibrational Energy (zpe) 6044.9 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 5572.2 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 CISD/6-311+G(3df,2p)
ABC
22.11626 0.23063 0.22825

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.006
O2 0.000 1.415 0.071
O3 0.000 -1.415 0.071
H4 0.000 2.115 -0.558
H5 0.000 -2.115 -0.558

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.41741.41742.18562.1856
O21.41742.83060.94093.5858
O31.41742.83063.58580.9409
H42.18560.94093.58584.2296
H52.18563.58580.94094.2296

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 134.894 Be1 O3 H5 134.894
O2 Be1 O3 173.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-166.210765
Energy at 298.15K-166.212086
HF Energy-165.721178
Nuclear repulsion energy49.255734
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 CISD/6-311+G(3df,2p)
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 4179 3852 28.50      
2 A 762 702 1.41      
3 A 508 469 108.19      
4 A 307 283 40.62      
5 A 173 159 155.85      
6 B 4176 3849 230.96      
7 B 1570 1448 452.54      
8 B 500 461 367.81      
9 B 296 273 75.09      

Unscaled Zero Point Vibrational Energy (zpe) 6235.4 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 5747.8 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 CISD/6-311+G(3df,2p)
ABC
20.02767 0.22961 0.22925

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.001
O2 0.000 1.418 -0.048
O3 0.000 -1.418 -0.048
H4 0.520 2.072 0.387
H5 -0.520 -2.072 0.387

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.41901.41902.17082.1708
O21.41902.83630.94163.5552
O31.41902.83633.55520.9416
H42.17080.94163.55524.2719
H52.17083.55520.94164.2719

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 132.708 Be1 O3 H5 132.708
O2 Be1 O3 176.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability