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

using model chemistry: G3

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 G3
 hartrees
Energy at 0K-166.433526
Energy at 298.15K-166.428221
HF Energy-165.635079
Nuclear repulsion energy49.269109
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 HF/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 4214 3970 39.39      
2 A 766 722 4.04      
3 A 570 537 131.94      
4 A 321 302 76.21      
5 A 205 193 155.46      
6 B 4211 3968 193.07      
7 B 1592 1500 438.23      
8 B 570 537 455.98      
9 B 304 286 125.99      

Unscaled Zero Point Vibrational Energy (zpe) 6376.0 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 6007.4 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 MP2=FULL/6-31G*
ABC
16.48771 0.22739 0.22430

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.015
O2 0.000 1.432 0.078
O3 0.000 -1.432 0.078
H4 0.000 2.054 -0.655
H5 0.000 -2.054 -0.655

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43371.43372.16062.1606
O21.43372.86470.96143.5627
O31.43372.86473.56270.9614
H42.16060.96143.56274.1082
H52.16063.56270.96144.1082

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 130.938 Be1 O3 H5 130.938
O2 Be1 O3 177.039
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at G3
 hartrees
Energy at 0K-166.432994
Energy at 298.15K-166.434674
HF Energy-165.635906
Nuclear repulsion energy49.249412
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 HF/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 4217 3973 38.91      
2 A 766 722 2.81      
3 A 566 533 144.23      
4 A 318 299 65.60      
5 A 202 191 155.97      
6 B 4214 3971 195.61      
7 B 1594 1502 439.09      
8 B 563 530 448.25      
9 B 305 287 119.02      

Unscaled Zero Point Vibrational Energy (zpe) 6372.3 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 6004.0 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/6-31G*
ABC
14.76564 0.22600 0.22596

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.023
O2 0.000 1.436 -0.056
O3 0.000 -1.436 -0.056
H4 0.567 1.992 0.490
H5 -0.567 -1.992 0.490

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43631.43632.13342.1334
O21.43632.87190.96333.5168
O31.43632.87193.51680.9633
H42.13340.96333.51684.1416
H52.13343.51680.96334.1416

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 128.356 Be1 O3 H5 128.356
O2 Be1 O3 178.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability