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

using model chemistry: CCSD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-166.259769
Energy at 298.15K 
HF Energy-165.720047
Nuclear repulsion energy49.034332
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/6-311+G(3df,2p)
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 4082 3850 49.72      
2 A1 752 709 3.79      
3 A1 521 492 204.07      
4 A1 286 270 8.84      
5 A2 192i 181i 0.00      
6 B1 333 314 58.46      
7 B2 4081 3848 185.32      
8 B2 1544 1456 436.66      
9 B2 420 396 267.02      

Unscaled Zero Point Vibrational Energy (zpe) 5913.7 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 5577.2 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/6-311+G(3df,2p)
ABC
20.95896 0.22876 0.22629

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.016
O2 0.000 1.422 0.075
O3 0.000 -1.422 0.075
H4 0.000 2.117 -0.568
H5 0.000 -2.117 -0.568

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42451.42452.18842.1884
O21.42452.84330.94763.5970
O31.42452.84333.59700.9476
H42.18840.94763.59704.2348
H52.18843.59700.94764.2348

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 133.601 Be1 O3 H5 133.601
O2 Be1 O3 172.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD/6-311+G(3df,2p)
 hartrees
Energy at 0K-166.260392
Energy at 298.15K-166.261716
HF Energy-165.720647
Nuclear repulsion energy49.005800
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/6-311+G(3df,2p)
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 4069 3837 23.13      
2 A 748 705 1.23      
3 A 513 483 95.26      
4 A 303 286 33.59      
5 A 181 170 152.67      
6 B 4067 3836 197.68      
7 B 1542 1455 428.89      
8 B 504 475 351.67      
9 B 292 275 70.19      

Unscaled Zero Point Vibrational Energy (zpe) 6108.9 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 5761.3 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/6-311+G(3df,2p)
ABC
18.92284 0.22766 0.22728

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.006
O2 0.000 1.425 -0.051
O3 0.000 -1.425 -0.051
H4 0.534 2.070 0.395
H5 -0.534 -2.070 0.395

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42621.42622.17252.1725
O21.42622.85010.94853.5632
O31.42622.85013.56320.9485
H42.17250.94853.56324.2747
H52.17253.56320.94854.2747

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 131.315 Be1 O3 H5 131.315
O2 Be1 O3 175.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability