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

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-166.296081
Energy at 298.15K-166.297515
HF Energy-165.725113
Nuclear repulsion energy48.733694
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 CCSD(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 3982 3862        
2 A 735 713        
3 A 554 537        
4 A 314 305        
5 A 193 187        
6 B 3980 3860        
7 B 1521 1476        
8 B 552 535        
9 B 306 297        

Unscaled Zero Point Vibrational Energy (zpe) 6068.1 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 5885.4 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 CCSD(T)/aug-cc-pVTZ
ABC
17.19577 0.22539 0.22503

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(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 -0.053
O3 0.000 -1.435 -0.053
H4 0.555 2.049 0.420
H5 -0.555 -2.049 0.420

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43571.43572.16312.1631
O21.43572.86910.95363.5590
O31.43572.86913.55900.9536
H42.16310.95363.55904.2454
H52.16313.55900.95364.2454

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 128.602 Be1 O3 H5 128.602
O2 Be1 O3 175.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability