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

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-166.089272
Energy at 298.15K 
HF Energy-165.655295
Nuclear repulsion energy48.336181
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 QCISD/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 3988 3826 60.49      
2 A1 733 703 20.21      
3 A1 644 618 106.47      
4 A1 297 285 20.00      
5 A2 224i 215i 0.00      
6 B1 339 325 68.48      
7 B2 3985 3824 113.13      
8 B2 1515 1454 289.24      
9 B2 523 502 297.39      

Unscaled Zero Point Vibrational Energy (zpe) 5900.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 5660.7 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 QCISD/cc-pVDZ
ABC
14.62924 0.22347 0.22011

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 1.450 0.083
O3 0.000 -1.450 0.083
H4 0.000 2.010 -0.695
H5 0.000 -2.010 -0.695

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45191.45192.13212.1321
O21.45192.90070.95883.5469
O31.45192.90073.54690.9588
H42.13210.95883.54694.0202
H52.13213.54690.95884.0202

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 123.054 Be1 O3 H5 123.054
O2 Be1 O3 174.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-166.090136
Energy at 298.15K-166.091715
HF Energy-165.655592
Nuclear repulsion energy48.309874
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 QCISD/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 3966 3805 38.56      
2 A 726 697 10.10      
3 A 643 617 65.03      
4 A 301 289 17.94      
5 A 254 244 113.89      
6 B 3964 3803 123.16      
7 B 1513 1451 283.95      
8 B 617 592 310.28      
9 B 298 286 91.58      

Unscaled Zero Point Vibrational Energy (zpe) 6140.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 5891.4 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 QCISD/cc-pVDZ
ABC
13.51637 0.22216 0.22154

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.033
O2 0.000 1.454 -0.061
O3 0.000 -1.454 -0.061
H4 0.535 1.955 0.558
H5 -0.535 -1.955 0.558

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45391.45392.11162.1116
O21.45392.90740.96033.5057
O31.45392.90743.50570.9603
H42.11160.96033.50574.0540
H52.11163.50570.96034.0540

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 120.632 Be1 O3 H5 120.632
O2 Be1 O3 177.789
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability