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

using model chemistry: MP2=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-166.197138
Energy at 298.15K 
HF Energy-165.705408
Nuclear repulsion energy48.735516
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/TZVP
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 4055 3864 48.17      
2 A1 744 708 4.90      
3 A1 547 521 277.92      
4 A1 334 318 1.41      
5 A2 236i 225i 0.00      
6 B1 385 367 64.81      
7 B2 4053 3862 228.88      
8 B2 1575 1500 444.84      
9 B2 420 401 300.93      

Unscaled Zero Point Vibrational Energy (zpe) 5938.3 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 5657.4 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/TZVP
ABC
22.04059 0.22553 0.22325

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.008
O2 0.000 1.431 0.072
O3 0.000 -1.431 0.072
H4 0.000 2.144 -0.558
H5 0.000 -2.144 -0.558

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43291.43292.21382.2138
O21.43292.86140.95183.6300
O31.43292.86143.63000.9518
H42.21380.95183.63004.2885
H52.21383.63000.95184.2885

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 135.393 Be1 O3 H5 135.393
O2 Be1 O3 173.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2=FULL/TZVP
 hartrees
Energy at 0K-166.198078
Energy at 298.15K-166.199652
HF Energy-165.706042
Nuclear repulsion energy48.691666
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/TZVP
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 4039 3848 22.88      
2 A 738 703 1.22      
3 A 552 525 146.91      
4 A 355 338 24.36      
5 A 232 221 184.40      
6 B 4037 3846 228.38      
7 B 1571 1496 431.84      
8 B 545 519 410.41      
9 B 345 329 84.85      

Unscaled Zero Point Vibrational Energy (zpe) 6206.0 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 5912.4 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/TZVP
ABC
19.21831 0.22446 0.22414

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.002
O2 0.000 1.435 -0.050
O3 0.000 -1.435 -0.050
H4 0.527 2.091 0.397
H5 -0.527 -2.091 0.397

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43561.43562.19182.1918
O21.43562.86930.95283.5923
O31.43562.86933.59230.9528
H42.19180.95283.59234.3118
H52.19183.59230.95284.3118

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 132.130 Be1 O3 H5 132.130
O2 Be1 O3 175.817
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability