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

using model chemistry: CISD/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 CISD/Def2TZVPP
 hartrees
Energy at 0K-166.208280
Energy at 298.15K 
HF Energy-165.723311
Nuclear repulsion energy49.090926
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/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 4165 4165 61.94      
2 A1 756 756 7.00      
3 A1 604 604 191.86      
4 A1 300 300 13.88      
5 A2 198i 198i 0.00      
6 B1 354 354 80.08      
7 B2 4161 4161 176.00      
8 B2 1556 1556 432.18      
9 B2 491 491 283.17      

Unscaled Zero Point Vibrational Energy (zpe) 6093.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6093.3 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/Def2TZVPP
ABC
18.92668 0.22917 0.22643

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.001
O2 0.000 1.424 0.076
O3 0.000 -1.424 0.076
H4 0.000 2.073 -0.606
H5 0.000 -2.073 -0.606

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42631.42632.16032.1603
O21.42632.84860.94143.5634
O31.42632.84863.56340.9414
H42.16030.94143.56344.1465
H52.16033.56340.94144.1465

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 130.556 Be1 O3 H5 130.556
O2 Be1 O3 173.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CISD/Def2TZVPP
 hartrees
Energy at 0K-166.209023
Energy at 298.15K-166.210510
HF Energy-165.724004
Nuclear repulsion energy49.082150
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/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 4153 4153 28.11      
2 A 751 751 1.79      
3 A 591 591 99.01      
4 A 321 321 46.69      
5 A 190 190 144.81      
6 B 4150 4150 197.10      
7 B 1557 1557 424.49      
8 B 584 584 359.63      
9 B 312 312 81.58      

Unscaled Zero Point Vibrational Energy (zpe) 6303.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6303.7 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/Def2TZVPP
ABC
17.54274 0.22815 0.22776

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.002
O2 0.000 1.426 -0.051
O3 0.000 -1.426 -0.051
H4 0.552 2.031 0.415
H5 -0.552 -2.031 0.415

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42731.42732.14532.1453
O21.42732.85290.94223.5318
O31.42732.85293.53180.9422
H42.14530.94223.53184.2087
H52.14533.53180.94224.2087

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 128.583 Be1 O3 H5 128.583
O2 Be1 O3 176.023
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability