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

using model chemistry: CCSD(T)/6-31G(2df,p)

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 CCSD(T)/6-31G(2df,p)
 hartrees
Energy at 0K-166.188890
Energy at 298.15K 
HF Energy-165.666112
Nuclear repulsion energy49.034690
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)/6-31G(2df,p)
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 4033 4033        
2 A1 753 753        
3 A1 592 592        
4 A1 291 291        
5 A2 237i 237i        
6 B1 338 338        
7 B2 4031 4031        
8 B2 1563 1563        
9 B2 475 475        

Unscaled Zero Point Vibrational Energy (zpe) 5919.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5919.9 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)/6-31G(2df,p)
ABC
16.75290 0.23005 0.22693

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.005
O2 0.000 1.424 0.080
O3 0.000 -1.424 0.080
H4 0.000 2.039 -0.646
H5 0.000 -2.039 -0.646

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42631.42632.14062.1406
O21.42632.84860.95133.5388
O31.42632.84863.53880.9513
H42.14060.95133.53884.0785
H52.14063.53880.95134.0785

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 127.255 Be1 O3 H5 127.255
O2 Be1 O3 173.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD(T)/6-31G(2df,p)
 hartrees
Energy at 0K-166.189984
Energy at 298.15K-166.191484
HF Energy-165.666801
Nuclear repulsion energy49.004793
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)/6-31G(2df,p)
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 4014 4014        
2 A 747 747        
3 A 590 590        
4 A 305 305        
5 A 226 226        
6 B 4013 4013        
7 B 1561 1561        
8 B 585 585        
9 B 298 298        

Unscaled Zero Point Vibrational Energy (zpe) 6168.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6168.7 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)/6-31G(2df,p)
ABC
15.38315 0.22862 0.22839

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.013
O2 0.000 1.428 -0.055
O3 0.000 -1.428 -0.055
H4 0.571 1.987 0.464
H5 -0.571 -1.987 0.464

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42821.42822.12132.1213
O21.42822.85520.95263.5003
O31.42822.85523.50030.9526
H42.12130.95263.50034.1343
H52.12133.50030.95264.1343

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 124.786 Be1 O3 H5 124.786
O2 Be1 O3 176.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability