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

using model chemistry: CID/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
1 3 no D*H 1Σg

Conformer 1 (C2V)

Jump to S1C2 S1C3
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-166.007561
Energy at 298.15K 
HF Energy-165.634566
Nuclear repulsion energy48.918913
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 CID/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 4046 3738 62.72      
2 A1 758 700 9.80      
3 A1 579 535 217.26      
4 A1 285 263 4.80      
5 A2 233i 215i 0.00      
6 B1 353 326 95.77      
7 B2 4042 3733 148.48      
8 B2 1577 1457 391.44      
9 B2 433 400 355.44      

Unscaled Zero Point Vibrational Energy (zpe) 5919.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 5467.8 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 CID/6-31G*
ABC
17.04963 0.22885 0.22582

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.024
O2 0.000 1.427 0.075
O3 0.000 -1.427 0.075
H4 0.000 2.052 -0.647
H5 0.000 -2.052 -0.647

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42831.42832.15862.1586
O21.42832.85480.95453.5532
O31.42832.85483.55320.9545
H42.15860.95453.55324.1035
H52.15863.55320.95454.1035

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 128.797 Be1 O3 H5 128.797
O2 Be1 O3 175.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-166.008586
Energy at 298.15K-166.010062
HF Energy-165.635378
Nuclear repulsion energy48.891101
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 CID/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 4026 3719 30.51      
2 A 751 694 2.93      
3 A 576 532 113.81      
4 A 309 286 61.94      
5 A 227 209 140.67      
6 B 4022 3715 162.96      
7 B 1574 1454 383.43      
8 B 573 529 417.45      
9 B 298 275 109.88      

Unscaled Zero Point Vibrational Energy (zpe) 6177.6 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 5706.2 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 CID/6-31G*
ABC
15.49686 0.22759 0.22733

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.028
O2 0.000 1.430 -0.051
O3 0.000 -1.430 -0.051
H4 0.572 1.998 0.463
H5 -0.572 -1.998 0.463

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43051.43052.13562.1356
O21.43052.86070.95583.5136
O31.43052.86073.51360.9558
H42.13560.95583.51364.1565
H52.13563.51360.95584.1565

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 125.835 Be1 O3 H5 125.835
O2 Be1 O3 178.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-166.002784
Energy at 298.15K 
HF Energy-165.630465
Nuclear repulsion energy49.557137
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 CID/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 Σg 4234 3911 0.00      
2 Σg 812 750 0.00      
3 Σu 4227 3904 467.70      
4 Σu 1686 1558 565.89      
5 Πg 332i 307i 0.00      
5 Πg 332i 307i 0.00      
6 Πu 360 332 24.46      
6 Πu 360 332 24.46      
7 Πu 335i 310i 413.37      
7 Πu 335i 310i 413.37      

Unscaled Zero Point Vibrational Energy (zpe) 5171.7 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 4777.1 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 CID/6-31G*
B
0.22970

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
O2 0.000 0.000 1.396
O3 0.000 0.000 -1.396
H4 0.000 0.000 2.339
H5 0.000 0.000 -2.339

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.39621.39622.33882.3388
O21.39622.79250.94263.7350
O31.39622.79253.73500.9426
H42.33880.94263.73504.6776
H52.33883.73500.94264.6776

picture of Beryllium hydroxide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 180.000 Be1 O3 H5 180.000
O2 Be1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability