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

using model chemistry: CCD/6-31G**

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 CCD/6-31G**
 hartrees
Energy at 0K-166.067239
Energy at 298.15K 
HF Energy-165.649651
Nuclear repulsion energy48.869633
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 CCD/6-31G**
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 4094 3839 50.13      
2 A1 752 705 10.61      
3 A1 593 556 187.14      
4 A1 286 268 6.95      
5 A2 235i 221i 0.00      
6 B1 347 325 87.21      
7 B2 4093 3837 127.85      
8 B2 1565 1467 374.32      
9 B2 451 423 336.72      

Unscaled Zero Point Vibrational Energy (zpe) 5972.4 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 5599.7 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 CCD/6-31G**
ABC
16.66342 0.22819 0.22511

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.023
O2 0.000 1.431 0.076
O3 0.000 -1.431 0.076
H4 0.000 2.042 -0.654
H5 0.000 -2.042 -0.654

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43161.43162.15102.1510
O21.43162.86130.95213.5483
O31.43162.86133.54830.9521
H42.15100.95213.54834.0834
H52.15103.54830.95214.0834

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 127.795 Be1 O3 H5 127.795
O2 Be1 O3 175.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-166.068265
Energy at 298.15K-166.069771
HF Energy-165.650321
Nuclear repulsion energy48.843950
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 CCD/6-31G**
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 4074 3819 26.05      
2 A 746 700 3.53      
3 A 588 552 103.71      
4 A 305 286 58.26      
5 A 238 223 116.09      
6 B 4072 3818 135.88      
7 B 1562 1465 365.90      
8 B 578 542 381.79      
9 B 298 280 102.35      

Unscaled Zero Point Vibrational Energy (zpe) 6230.7 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 5841.9 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 CCD/6-31G**
ABC
15.23910 0.22680 0.22676

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.028
O2 0.000 1.433 -0.053
O3 0.000 -1.433 -0.053
H4 0.558 1.990 0.483
H5 -0.558 -1.990 0.483

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43371.43372.12902.1290
O21.43372.86690.95353.5098
O31.43372.86693.50980.9535
H42.12900.95353.50984.1333
H52.12903.50980.95354.1333

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 124.993 Be1 O3 H5 124.993
O2 Be1 O3 177.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability