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

using model chemistry: MP2/LANL2DZ

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
1 3 no D*H 1Σg

Conformer 1 (C2V)

Jump to S1C2 S1C3
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-165.912190
Energy at 298.15K 
HF Energy-165.646423
Nuclear repulsion energy48.456552
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/LANL2DZ
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 3896 11.17      
2 A1 763 735 4.49      
3 A1 406 391 156.10      
4 A1 251 241 423.36      
5 A2 146i 140i 0.00      
6 B1 398 383 63.22      
7 B2 4046 3897 382.98      
8 B2 1605 1546 416.15      
9 B2 170 164 94.49      

Unscaled Zero Point Vibrational Energy (zpe) 5769.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 5556.4 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/LANL2DZ
ABC
123.58566 0.21982 0.21943

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.006
O2 0.000 1.431 0.031
O3 0.000 -1.431 0.031
H4 0.000 2.352 -0.234
H5 0.000 -2.352 -0.234

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43181.43182.36322.3632
O21.43182.86270.95823.7928
O31.43182.86273.79280.9582
H42.36320.95823.79284.7044
H52.36323.79280.95824.7044

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 162.459 Be1 O3 H5 162.459
O2 Be1 O3 177.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-165.912297
Energy at 298.15K-165.913253
HF Energy-165.646196
Nuclear repulsion energy48.411988
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/LANL2DZ
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 3888 5.84      
2 A 761 733 2.27      
3 A 402 387 116.78      
4 A 267 257 182.24      
5 A 128 123 303.82      
6 B 4038 3889 370.18      
7 B 1602 1543 408.40      
8 B 402 387 127.91      
9 B 258 249 374.64      

Unscaled Zero Point Vibrational Energy (zpe) 5946.7 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 5727.2 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 MP2/LANL2DZ
ABC
85.24282 0.21947 0.21933

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.005
O2 0.000 1.434 -0.023
O3 0.000 -1.434 -0.023
H4 0.266 2.334 0.174
H5 -0.266 -2.334 0.174

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43381.43382.35472.3547
O21.43382.86710.95893.7816
O31.43382.86713.78160.9589
H42.35470.95893.78164.6973
H52.35473.78160.95894.6973

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 159.111 Be1 O3 H5 159.111
O2 Be1 O3 177.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-165.912018
Energy at 298.15K 
HF Energy-165.647128
Nuclear repulsion energy48.565107
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/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 4066 3916 0.00      
2 Σg 768 740 0.00      
3 Σu 4066 3916 438.33      
4 Σu 1615 1555 444.55      
5 Πg 208i 200i 0.00      
5 Πg 208i 200i 0.00      
6 Πu 397 382 46.30      
6 Πu 397 382 46.30      
7 Πu 196i 188i 600.85      
7 Πu 196i 188i 600.85      

Unscaled Zero Point Vibrational Energy (zpe) 5251.2 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 5057.5 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/LANL2DZ
B
0.22015

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
O2 0.000 0.000 1.427
O3 0.000 0.000 -1.427
H4 0.000 0.000 2.383
H5 0.000 0.000 -2.383

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42681.42682.38342.3834
O21.42682.85360.95663.8102
O31.42682.85363.81020.9566
H42.38340.95663.81024.7668
H52.38343.81020.95664.7668

picture of Beryllium hydroxide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 180.000 Be1 O3 H5 180.000
O2 Be1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability