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

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

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-166.147306
Energy at 298.15K-166.148650
HF Energy-165.674365
Nuclear repulsion energy48.088341
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-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 3945 3857        
2 A 690 675        
3 A 571 559        
4 A 279 273        
5 A 197 193        
6 B 3944 3857        
7 B 1449 1417        
8 B 569 556        
9 B 262 256        

Unscaled Zero Point Vibrational Energy (zpe) 5953.2 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 5821.0 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-pVDZ
ABC
15.89519 0.21909 0.21870

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.020
O2 0.000 1.457 -0.058
O3 0.000 -1.457 -0.058
H4 0.578 2.050 0.426
H5 -0.578 -2.050 0.426

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45931.45932.16872.1687
O21.45932.91450.95953.5877
O31.45932.91453.58770.9595
H42.16870.95953.58774.2605
H52.16873.58770.95954.2605

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 126.178 Be1 O3 H5 126.178
O2 Be1 O3 173.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability