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

using model chemistry: CCSD/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 CCSD/TZVP
 hartrees
Energy at 0K-166.153932
Energy at 298.15K 
HF Energy-165.705563
Nuclear repulsion energy48.792980
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 CCSD/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 4073 3887 42.19      
2 A1 748 714 5.34      
3 A1 571 545 272.79      
4 A1 332 317 3.56      
5 A2 245i 234i 0.00      
6 B1 383 366 71.28      
7 B2 4071 3885 184.66      
8 B2 1579 1507 450.29      
9 B2 445 425 306.16      

Unscaled Zero Point Vibrational Energy (zpe) 5978.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 5706.1 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 CCSD/TZVP
ABC
21.34326 0.22613 0.22376

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.006
O2 0.000 1.430 0.073
O3 0.000 -1.430 0.073
H4 0.000 2.131 -0.568
H5 0.000 -2.131 -0.568

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43191.43192.20412.2041
O21.43192.85950.95003.6182
O31.43192.85953.61820.9500
H42.20410.95003.61824.2626
H52.20413.61820.95004.2626

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 134.453 Be1 O3 H5 134.453
O2 Be1 O3 173.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-166.154976
Energy at 298.15K-166.156587
HF Energy-165.706210
Nuclear repulsion energy48.758873
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 CCSD/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 4055 3870 19.25      
2 A 743 709 1.14      
3 A 574 548 141.09      
4 A 355 339 34.84      
5 A 238 227 184.04      
6 B 4053 3868 184.86      
7 B 1577 1505 438.16      
8 B 568 542 415.66      
9 B 343 327 85.43      

Unscaled Zero Point Vibrational Energy (zpe) 6252.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 5967.2 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 CCSD/TZVP
ABC
18.81663 0.22514 0.22476

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.001
O2 0.000 1.433 -0.050
O3 0.000 -1.433 -0.050
H4 0.537 2.079 0.397
H5 -0.537 -2.079 0.397

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43421.43422.18302.1830
O21.43422.86650.95113.5807
O31.43422.86653.58070.9511
H42.18300.95113.58074.2935
H52.18303.58070.95114.2935

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 131.396 Be1 O3 H5 131.396
O2 Be1 O3 175.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability