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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-166.252095
Energy at 298.15K 
HF Energy-165.722212
Nuclear repulsion energy48.674339
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/Def2TZVPP
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 4021 3826 53.39      
2 A1 732 697 7.54      
3 A1 604 575 159.72      
4 A1 295 280 13.71      
5 A2 204i 195i 0.00      
6 B1 343 326 55.29      
7 B2 4019 3824 178.59      
8 B2 1510 1437 384.30      
9 B2 497 473 279.18      

Unscaled Zero Point Vibrational Energy (zpe) 5908.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 5621.6 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 MP2/Def2TZVPP
ABC
17.50152 0.22584 0.22296

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.013
O2 0.000 1.436 0.081
O3 0.000 -1.436 0.081
H4 0.000 2.074 -0.624
H5 0.000 -2.074 -0.624

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43911.43912.16252.1625
O21.43912.87210.95143.5806
O31.43912.87213.58060.9514
H42.16250.95143.58064.1488
H52.16253.58060.95144.1488

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 128.384 Be1 O3 H5 128.384
O2 Be1 O3 172.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-166.252871
Energy at 298.15K-166.254340
HF Energy-165.722901
Nuclear repulsion energy48.656139
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/Def2TZVPP
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 4008 3813 25.19      
2 A 727 692 2.29      
3 A 593 565 80.51      
4 A 311 296 33.48      
5 A 197 187 137.51      
6 B 4006 3812 193.23      
7 B 1510 1437 376.32      
8 B 587 559 332.98      
9 B 304 289 73.20      

Unscaled Zero Point Vibrational Energy (zpe) 6121.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 5824.6 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 MP2/Def2TZVPP
ABC
16.15281 0.22461 0.22426

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.006
O2 0.000 1.439 -0.056
O3 0.000 -1.439 -0.056
H4 0.569 2.024 0.435
H5 -0.569 -2.024 0.435

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.44051.44052.14612.1461
O21.44052.87830.95233.5440
O31.44052.87833.54400.9523
H42.14610.95233.54404.2055
H52.14613.54400.95234.2055

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 126.289 Be1 O3 H5 126.289
O2 Be1 O3 175.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability