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

using model chemistry: MP2=FULL/6-311G*

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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-166.174782
Energy at 298.15K 
HF Energy-165.684014
Nuclear repulsion energy48.987743
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 MP2=FULL/6-311G*
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 4024 3811 46.53      
2 A1 758 718 9.63      
3 A1 580 549 183.18      
4 A1 326 309 2.95      
5 A2 234i 222i 0.00      
6 B1 387 367 92.58      
7 B2 4022 3809 153.67      
8 B2 1558 1475 338.97      
9 B2 445 421 357.39      

Unscaled Zero Point Vibrational Energy (zpe) 5932.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 5618.8 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/6-311G*
ABC
17.56459 0.22917 0.22622

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.029
O2 0.000 1.426 0.073
O3 0.000 -1.426 0.073
H4 0.000 2.057 -0.639
H5 0.000 -2.057 -0.639

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42641.42642.16302.1630
O21.42642.85150.95133.5550
O31.42642.85153.55500.9513
H42.16300.95133.55504.1146
H52.16303.55500.95134.1146

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 129.843 Be1 O3 H5 129.843
O2 Be1 O3 176.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-166.175683
Energy at 298.15K-166.177285
HF Energy-165.684626
Nuclear repulsion energy48.968007
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 MP2=FULL/6-311G*
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 4007 3795 26.75      
2 A 754 714 4.68      
3 A 577 547 109.22      
4 A 342 324 36.63      
5 A 256 243 144.62      
6 B 4005 3794 160.85      
7 B 1557 1475 334.44      
8 B 563 534 380.06      
9 B 330 313 120.57      

Unscaled Zero Point Vibrational Energy (zpe) 6196.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 5868.8 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/6-311G*
ABC
16.22209 0.22794 0.22773

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.035
O2 0.000 1.428 -0.052
O3 0.000 -1.428 -0.052
H4 0.521 2.015 0.487
H5 -0.521 -2.015 0.487

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42801.42802.14592.1459
O21.42802.85580.95243.5237
O31.42802.85583.52370.9524
H42.14590.95243.52374.1625
H52.14593.52370.95244.1625

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 127.573 Be1 O3 H5 127.573
O2 Be1 O3 178.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability