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All results from a given calculation for BeOH (beryllium monohydroxide)

using model chemistry: MP3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-90.408056
Energy at 298.15K-90.407915
HF Energy-90.136390
Nuclear repulsion energy17.514483
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 MP3/cc-pVTZ
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' 4101 3874 133.41      
2 A' 1294 1222 114.02      
3 A' 392 370 179.59      

Unscaled Zero Point Vibrational Energy (zpe) 2893.1 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 2733.1 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 MP3/cc-pVTZ
ABC
46.14943 1.32111 1.28435

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.050 -0.379 0.000
Be2 0.050 1.024 0.000
H3 -0.601 -1.065 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40250.9465
Be21.40252.1883
H30.94652.1883

picture of beryllium monohydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 136.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-90.407039
Energy at 298.15K 
HF Energy-90.135502
Nuclear repulsion energy17.715512
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 MP3/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 4196 3964 214.05      
2 Σ 1352 1277 153.35      
3 Π 246i 232i 160.02      
3 Π 246i 232i 160.02      

Unscaled Zero Point Vibrational Energy (zpe) 2528.3 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 2388.4 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 MP3/cc-pVTZ
B
1.30412

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.351
Be2 0.000 0.000 -1.026
H3 0.000 0.000 1.291

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37690.9401
Be21.37692.3169
H30.94012.3169

picture of beryllium monohydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability