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

using model chemistry: MP3/cc-pVDZ

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 MP3/cc-pVDZ
 hartrees
Energy at 0K-166.080356
Energy at 298.15K 
HF Energy-165.655785
Nuclear repulsion energy48.490623
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 MP3/cc-pVDZ
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 4046 3836 70.56      
2 A1 742 703 18.52      
3 A1 644 611 119.76      
4 A1 298 282 21.92      
5 A2 211i 200i 0.00      
6 B1 345 327 84.15      
7 B2 4044 3834 109.63      
8 B2 1535 1455 322.39      
9 B2 522 494 298.56      

Unscaled Zero Point Vibrational Energy (zpe) 5982.9 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 5671.2 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 MP3/cc-pVDZ
ABC
14.89738 0.22478 0.22144

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.023
O2 0.000 1.446 0.081
O3 0.000 -1.446 0.081
H4 0.000 2.008 -0.691
H5 0.000 -2.008 -0.691

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.44691.44692.13172.1317
O21.44692.89150.95543.5395
O31.44692.89153.53950.9554
H42.13170.95543.53954.0169
H52.13173.53950.95544.0169

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 123.795 Be1 O3 H5 123.795
O2 Be1 O3 175.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-166.081088
Energy at 298.15K-166.082661
HF Energy-165.656115
Nuclear repulsion energy48.471128
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 MP3/cc-pVDZ
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 4027 3818 44.53      
2 A 736 698 9.04      
3 A 642 608 75.90      
4 A 303 287 29.51      
5 A 242 230 108.74      
6 B 4026 3816 125.56      
7 B 1534 1454 317.94      
8 B 613 581 320.55      
9 B 302 286 99.73      

Unscaled Zero Point Vibrational Energy (zpe) 6212.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 5888.7 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 MP3/cc-pVDZ
ABC
13.83477 0.22355 0.22291

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.037
O2 0.000 1.448 -0.060
O3 0.000 -1.448 -0.060
H4 0.526 1.959 0.555
H5 -0.526 -1.959 0.555

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.44871.44872.11272.1127
O21.44872.89700.95673.5019
O31.44872.89703.50190.9567
H42.11270.95673.50194.0561
H52.11273.50190.95674.0561

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 121.529 Be1 O3 H5 121.529
O2 Be1 O3 178.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability