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

using model chemistry: QCISD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Vibrational Frequencies calculated at QCISD(T)/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-166.296757
Energy at 298.15K-166.298193
HF Energy-165.725070
Nuclear repulsion energy48.718543
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(T)/aug-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 3977 3845        
2 A 734 709        
3 A 554 536        
4 A 314 304        
5 A 194 187        
6 B 3976 3844        
7 B 1519 1469        
8 B 552 534        
9 B 306 296        

Unscaled Zero Point Vibrational Energy (zpe) 6063.0 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 5861.7 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 QCISD(T)/aug-cc-pVTZ
ABC
17.17553 0.22524 0.22489

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.004
O2 0.000 1.435 -0.054
O3 0.000 -1.435 -0.054
H4 0.555 2.049 0.420
H5 -0.555 -2.049 0.420

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43621.43622.16352.1635
O21.43622.87000.95393.5599
O31.43622.87003.55990.9539
H42.16350.95393.55994.2462
H52.16353.55990.95394.2462

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 128.572 Be1 O3 H5 128.572
O2 Be1 O3 175.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability