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

using model chemistry: MP2=FULL/cc-pVDZ

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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-166.084154
Energy at 298.15K 
HF Energy-165.655156
Nuclear repulsion energy48.326580
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 MP2=FULL/cc-pVDZ
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 3983 3785 71.42      
2 A1 732 696 19.73      
3 A1 640 609 102.69      
4 A1 297 282 19.10      
5 A2 217i 207i 0.00      
6 B1 337 320 65.76      
7 B2 3980 3783 139.10      
8 B2 1511 1436 282.16      
9 B2 519 494 297.32      

Unscaled Zero Point Vibrational Energy (zpe) 5890.8 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 5598.6 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 MP2=FULL/cc-pVDZ
ABC
14.42341 0.22352 0.22011

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.016
O2 0.000 1.451 0.084
O3 0.000 -1.451 0.084
H4 0.000 2.004 -0.700
H5 0.000 -2.004 -0.700

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45231.45232.12822.1282
O21.45232.90140.95973.5427
O31.45232.90143.54270.9597
H42.12820.95973.54274.0083
H52.12823.54270.95974.0083

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 122.537 Be1 O3 H5 122.537
O2 Be1 O3 174.633
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-166.084942
Energy at 298.15K-166.086509
HF Energy-165.655443
Nuclear repulsion energy48.300797
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 MP2=FULL/cc-pVDZ
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 3963 3766 47.17      
2 A 726 690 10.78      
3 A 640 608 63.78      
4 A 301 286 12.36      
5 A 249 237 113.00      
6 B 3960 3764 151.39      
7 B 1508 1433 277.33      
8 B 611 580 306.83      
9 B 297 282 91.05      

Unscaled Zero Point Vibrational Energy (zpe) 6127.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 5823.3 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 MP2=FULL/cc-pVDZ
ABC
13.33219 0.22225 0.22149

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.035
O2 0.000 1.454 -0.063
O3 0.000 -1.454 -0.063
H4 0.527 1.948 0.571
H5 -0.527 -1.948 0.571

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45441.45442.10732.1073
O21.45442.90820.96113.5009
O31.45442.90823.50090.9611
H42.10730.96113.50094.0371
H52.10733.50090.96114.0371

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 120.102 Be1 O3 H5 120.102
O2 Be1 O3 177.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability