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

using model chemistry: CCSD=FULL/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 CCSD=FULL/Def2TZVPP
 hartrees
Energy at 0K-166.327781
Energy at 298.15K 
HF Energy-165.722846
Nuclear repulsion energy48.931772
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=FULL/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 4056 4056 49.63      
2 A1 745 745 7.27      
3 A1 608 608 172.07      
4 A1 298 298 14.01      
5 A2 205i 205i 0.00      
6 B1 349 349 64.37      
7 B2 4054 4054 155.61      
8 B2 1533 1533 404.61      
9 B2 495 495 283.03      

Unscaled Zero Point Vibrational Energy (zpe) 5966.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5966.7 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 CCSD=FULL/Def2TZVPP
ABC
18.06674 0.22820 0.22535

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.008
O2 0.000 1.428 0.079
O3 0.000 -1.428 0.079
H4 0.000 2.071 -0.617
H5 0.000 -2.071 -0.617

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43061.43062.15852.1585
O21.43062.85590.94743.5673
O31.43062.85593.56730.9474
H42.15850.94743.56734.1416
H52.15853.56730.94744.1416

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 129.253 Be1 O3 H5 129.253
O2 Be1 O3 173.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD=FULL/Def2TZVPP
 hartrees
Energy at 0K-166.328597
Energy at 298.15K-166.330086
HF Energy-165.723555
Nuclear repulsion energy48.920459
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=FULL/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 4043 4043 22.76      
2 A 740 740 1.92      
3 A 593 593 87.36      
4 A 316 316 39.32      
5 A 199 199 140.71      
6 B 4042 4042 170.50      
7 B 1534 1534 397.29      
8 B 587 587 345.18      
9 B 308 308 76.81      

Unscaled Zero Point Vibrational Energy (zpe) 6181.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6181.3 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=FULL/Def2TZVPP
ABC
16.74901 0.22708 0.22668

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.003
O2 0.000 1.431 -0.054
O3 0.000 -1.431 -0.054
H4 0.564 2.025 0.424
H5 -0.564 -2.025 0.424

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43161.43162.14362.1436
O21.43162.86100.94823.5334
O31.43162.86103.53340.9482
H42.14360.94823.53344.2036
H52.14363.53340.94824.2036

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 127.332 Be1 O3 H5 127.332
O2 Be1 O3 175.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability