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

using model chemistry: QCISD(TQ)/cc-pVDZ

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 QCISD(TQ)/cc-pVDZ
 hartrees
Energy at 0K-166.097140
Energy at 298.15K 
HF Energy-165.654997
Nuclear repulsion energy48.287913
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 QCISD(TQ)/cc-pVDZ
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 3958 3958        
2 A1 732 732        
3 A1 647 647        
4 A1 298 298        
5 A2 227i 227i        
6 B1 339 339        
7 B2 3956 3956        
8 B2 1511 1511        
9 B2 525 525        

Unscaled Zero Point Vibrational Energy (zpe) 5868.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5868.5 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 QCISD(TQ)/cc-pVDZ
ABC
14.27490 0.22322 0.21979

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.017
O2 0.000 1.452 0.084
O3 0.000 -1.452 0.084
H4 0.000 2.001 -0.704
H5 0.000 -2.001 -0.704

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45361.45362.12732.1273
O21.45362.90400.96073.5421
O31.45362.90403.54210.9607
H42.12730.96073.54214.0026
H52.12733.54210.96074.0026

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 122.238 Be1 O3 H5 122.238
O2 Be1 O3 174.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at QCISD(TQ)/cc-pVDZ
 hartrees
Energy at 0K-166.098060
Energy at 298.15K-166.099632
HF Energy-165.655274
Nuclear repulsion energy48.263426
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 QCISD(TQ)/cc-pVDZ
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 3936 3936        
2 A 725 725        
3 A 647 647        
4 A 300 300        
5 A 248 248        
6 B 3935 3935        
7 B 1508 1508        
8 B 620 620        
9 B 297 297        

Unscaled Zero Point Vibrational Energy (zpe) 6107.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6107.6 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 QCISD(TQ)/cc-pVDZ
ABC
13.21663 0.22191 0.22127

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.035
O2 0.000 1.455 -0.062
O3 0.000 -1.455 -0.062
H4 0.540 1.946 0.566
H5 -0.540 -1.946 0.566

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45551.45552.10642.1064
O21.45552.91050.96223.5001
O31.45552.91053.50010.9622
H42.10640.96223.50014.0380
H52.10643.50010.96224.0380

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 119.812 Be1 O3 H5 119.812
O2 Be1 O3 177.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability