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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
1 2 no C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at CBS-Q
 hartrees
Energy at 0K-166.304161
Energy at 298.15K-166.298984
HF Energy-165.627118
Nuclear repulsion energy49.188000
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 CBS-Q
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 4232 4232 73.41      
2 A1 756 756 10.46      
3 A1 591 591 251.32      
4 A1 306 306 4.99      
5 A2 205i 205i 0.00      
6 B1 394 394 144.34      
7 B2 4229 4229 157.00      
8 B2 1557 1557 425.64      
9 B2 456 456 351.14      

Unscaled Zero Point Vibrational Energy (zpe) 6157.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6157.8 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 CBS-Q
ABC
14.52529 0.22457 0.22453

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.038
O2 0.000 1.424 0.068
O3 0.000 -1.424 0.068
H4 0.000 2.057 -0.622
H5 0.000 -2.057 -0.622

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42431.42432.15982.1598
O21.42432.84800.93623.5483
O31.42432.84803.54830.9362
H42.15980.93623.54834.1130
H52.15983.54830.93624.1130

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 131.281 Be1 O3 H5 131.281
O2 Be1 O3 177.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-166.303695
Energy at 298.15K-166.305416
HF Energy-165.627864
Nuclear repulsion energy49.175371
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 CBS-Q
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 4220 4220 33.87      
2 A 751 751 2.46      
3 A 576 576 143.53      
4 A 342 342 66.83      
5 A 193 193 174.13      
6 B 4218 4218 187.02      
7 B 1558 1558 421.66      
8 B 572 572 441.13      
9 B 327 327 122.48      

Unscaled Zero Point Vibrational Energy (zpe) 6378.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6378.6 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 CBS-Q
ABC
14.52755 0.22456 0.22453

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.030
O2 0.000 1.425 -0.046
O3 0.000 -1.425 -0.046
H4 0.538 2.027 0.429
H5 -0.538 -2.027 0.429

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42541.42542.14692.1469
O21.42542.85070.93693.5261
O31.42542.85073.52610.9369
H42.14690.93693.52614.1942
H52.14693.52610.93694.1942

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 129.512 Be1 O3 H5 129.512
O2 Be1 O3 178.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability