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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-166.319338
Energy at 298.15K 
HF Energy-165.720308
Nuclear repulsion energy49.013807
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/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 A1 4025 3851        
2 A1 754 721        
3 A1 573 548        
4 A1 317 303        
5 A2 210i 201i        
6 B1 373 357        
7 B2 4023 3849        
8 B2 1552 1485        
9 B2 451 432        

Unscaled Zero Point Vibrational Energy (zpe) 5928.8 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 5673.2 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/cc-pVTZ
ABC
17.54377 0.22950 0.22654

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.001
O2 0.000 1.425 0.079
O3 0.000 -1.425 0.079
H4 0.000 2.058 -0.629
H5 0.000 -2.058 -0.629

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42671.42672.15202.1520
O21.42672.84900.95023.5540
O31.42672.84903.55400.9502
H42.15200.95023.55404.1164
H52.15203.55400.95024.1164

picture of Beryllium hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 128.621 Be1 O3 H5 128.621
O2 Be1 O3 173.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-166.320053
Energy at 298.15K-166.321589
HF Energy-165.720766
Nuclear repulsion energy48.980379
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/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 4005 3833        
2 A 747 715        
3 A 577 552        
4 A 328 314        
5 A 221 212        
6 B 4004 3831        
7 B 1550 1483        
8 B 558 534        
9 B 322 308        

Unscaled Zero Point Vibrational Energy (zpe) 6156.3 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 5891.0 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)=FULL/cc-pVTZ
ABC
15.95929 0.22814 0.22788

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.009
O2 0.000 1.428 -0.059
O3 0.000 -1.428 -0.059
H4 0.521 2.006 0.489
H5 -0.521 -2.006 0.489

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42881.42882.13172.1317
O21.42882.85590.95163.5165
O31.42882.85593.51650.9516
H42.13170.95163.51654.1458
H52.13173.51650.95164.1458

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 125.968 Be1 O3 H5 125.968
O2 Be1 O3 175.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability