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

using model chemistry: CCSD/6-31G**

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/6-31G**
 hartrees
Energy at 0K-166.070249
Energy at 298.15K 
HF Energy-165.649525
Nuclear repulsion energy48.830155
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/6-31G**
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 4074 3800 46.55      
2 A1 749 699 10.40      
3 A1 595 555 179.65      
4 A1 285 266 7.10      
5 A2 243i 226i 0.00      
6 B1 344 321 80.64      
7 B2 4073 3798 125.38      
8 B2 1559 1454 360.83      
9 B2 454 423 336.74      

Unscaled Zero Point Vibrational Energy (zpe) 5945.1 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 5544.4 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 CCSD/6-31G**
ABC
16.48779 0.22789 0.22478

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.020
O2 0.000 1.432 0.077
O3 0.000 -1.432 0.077
H4 0.000 2.040 -0.657
H5 0.000 -2.040 -0.657

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43301.43302.14942.1494
O21.43302.86370.95313.5485
O31.43302.86373.54850.9531
H42.14940.95313.54854.0799
H52.14943.54850.95314.0799

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 127.379 Be1 O3 H5 127.379
O2 Be1 O3 175.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD/6-31G**
 hartrees
Energy at 0K-166.071366
Energy at 298.15K-166.072881
HF Energy-165.650174
Nuclear repulsion energy48.799566
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/6-31G**
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 4051 3778 24.30      
2 A 743 692 3.46      
3 A 592 552 97.45      
4 A 303 283 60.46      
5 A 245 229 111.32      
6 B 4050 3777 130.30      
7 B 1556 1451 351.55      
8 B 583 543 376.01      
9 B 297 277 99.36      

Unscaled Zero Point Vibrational Energy (zpe) 6209.9 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 5791.4 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 CCSD/6-31G**
ABC
15.02214 0.22646 0.22641

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.027
O2 0.000 1.435 -0.054
O3 0.000 -1.435 -0.054
H4 0.563 1.985 0.486
H5 -0.563 -1.985 0.486

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43521.43522.12652.1265
O21.43522.86990.95463.5082
O31.43522.86993.50820.9546
H42.12650.95463.50824.1273
H52.12653.50820.95464.1273

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 124.463 Be1 O3 H5 124.463
O2 Be1 O3 177.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability