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

using model chemistry: MP2/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/TZVP
 hartrees
Energy at 0K-166.148542
Energy at 298.15K 
HF Energy-165.705276
Nuclear repulsion energy48.674010
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/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 4053 3841 47.67      
2 A1 741 702 4.83      
3 A1 555 526 274.09      
4 A1 330 312 2.04      
5 A2 241i 228i 0.00      
6 B1 379 359 62.43      
7 B2 4050 3839 224.64      
8 B2 1566 1485 441.05      
9 B2 430 408 302.41      

Unscaled Zero Point Vibrational Energy (zpe) 5931.3 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 5622.3 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/TZVP
ABC
21.67705 0.22494 0.22263

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.010
O2 0.000 1.433 0.073
O3 0.000 -1.433 0.073
H4 0.000 2.143 -0.562
H5 0.000 -2.143 -0.562

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43541.43542.21272.2127
O21.43542.86600.95203.6316
O31.43542.86603.63160.9520
H42.21270.95203.63164.2855
H52.21273.63160.95204.2855

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 134.912 Be1 O3 H5 134.912
O2 Be1 O3 173.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-166.149500
Energy at 298.15K-166.151063
HF Energy-165.705946
Nuclear repulsion energy48.640264
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/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 4037 3827 22.63      
2 A 736 698 1.21      
3 A 555 526 144.89      
4 A 350 332 24.28      
5 A 229 217 185.68      
6 B 4035 3825 226.89      
7 B 1564 1482 430.03      
8 B 548 519 410.83      
9 B 340 322 83.19      

Unscaled Zero Point Vibrational Energy (zpe) 6196.6 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 5873.8 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/TZVP
ABC
19.15392 0.22392 0.22360

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.003
O2 0.000 1.437 -0.050
O3 0.000 -1.437 -0.050
H4 0.528 2.092 0.398
H5 -0.528 -2.092 0.398

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43751.43752.19292.1929
O21.43752.87300.95303.5954
O31.43752.87303.59540.9530
H42.19290.95303.59544.3143
H52.19293.59540.95304.3143

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 132.028 Be1 O3 H5 132.028
O2 Be1 O3 175.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability