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

using model chemistry: MP3/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 MP3/TZVP
 hartrees
Energy at 0K-166.145491
Energy at 298.15K 
HF Energy-165.705922
Nuclear repulsion energy48.927701
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/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 4129 3862 47.55      
2 A1 756 707 5.02      
3 A1 569 532 287.05      
4 A1 333 311 2.92      
5 A2 246i 230i 0.00      
6 B1 388 363 82.24      
7 B2 4127 3860 187.19      
8 B2 1596 1493 473.75      
9 B2 440 411 305.20      

Unscaled Zero Point Vibrational Energy (zpe) 6046.4 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 5654.6 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/TZVP
ABC
21.87699 0.22721 0.22488

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.001
O2 0.000 1.426 0.071
O3 0.000 -1.426 0.071
H4 0.000 2.129 -0.563
H5 0.000 -2.129 -0.563

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42791.42792.20212.2021
O21.42792.85210.94673.6113
O31.42792.85213.61130.9467
H42.20210.94673.61134.2583
H52.20213.61130.94674.2583

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 135.074 Be1 O3 H5 135.074
O2 Be1 O3 174.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-166.146475
Energy at 298.15K-166.148085
HF Energy-165.706570
Nuclear repulsion energy48.899043
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/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 4112 3845 21.38      
2 A 751 703 0.97      
3 A 572 535 150.08      
4 A 358 335 37.87      
5 A 232 217 186.70      
6 B 4110 3844 191.57      
7 B 1595 1491 461.62      
8 B 566 530 425.92      
9 B 345 323 88.57      

Unscaled Zero Point Vibrational Energy (zpe) 6320.3 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 5910.7 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/TZVP
ABC
19.29592 0.22633 0.22592

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.002
O2 0.000 1.429 -0.049
O3 0.000 -1.429 -0.049
H4 0.532 2.078 0.392
H5 -0.532 -2.078 0.392

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42991.42992.18112.1811
O21.42992.85830.94783.5749
O31.42992.85833.57490.9478
H42.18110.94783.57494.2908
H52.18113.57490.94784.2908

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 132.013 Be1 O3 H5 132.013
O2 Be1 O3 176.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability