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

using model chemistry: MP2=FULL/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 MP2=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-166.321479
Energy at 298.15K-166.322859
HF Energy-165.725626
Nuclear repulsion energy48.966374
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 MP2=FULL/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 4032 3836 23.30      
2 A 746 709 1.16      
3 A 508 483 98.23      
4 A 324 308 21.57      
5 A 190 181 142.60      
6 B 4029 3833 227.87      
7 B 1532 1457 422.54      
8 B 496 472 325.43      
9 B 312 297 68.71      

Unscaled Zero Point Vibrational Energy (zpe) 6083.6 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 5788.0 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 MP2=FULL/aug-cc-pVTZ
ABC
19.32983 0.22732 0.22699

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.015
O2 0.000 1.425 -0.052
O3 0.000 -1.425 -0.052
H4 0.525 2.082 0.390
H5 -0.525 -2.082 0.390

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42671.42672.17972.1797
O21.42672.85030.95013.5737
O31.42672.85033.57370.9501
H42.17970.95013.57374.2942
H52.17973.57370.95014.2942

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 131.964 Be1 O3 H5 131.964
O2 Be1 O3 174.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability