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

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-166.157039
Energy at 298.15K-166.158335
HF Energy-165.675182
Nuclear repulsion energy48.627595
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)=FULL/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 3969 3850        
2 A 690 669        
3 A 536 520        
4 A 281 273        
5 A 198 192        
6 B 3968 3849        
7 B 1471 1427        
8 B 533 517        
9 B 259 251        

Unscaled Zero Point Vibrational Energy (zpe) 5951.2 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 5773.2 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
17.14033 0.22470 0.22430

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.026
O2 0.000 1.436 -0.057
O3 0.000 -1.436 -0.057
H4 0.560 2.061 0.404
H5 -0.560 -2.061 0.404

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43831.43832.16912.1691
O21.43832.87180.95753.5717
O31.43832.87183.57170.9575
H42.16910.95753.57174.2720
H52.16913.57170.95754.2720

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 128.620 Be1 O3 H5 128.620
O2 Be1 O3 173.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability