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

using model chemistry: MP2=FULL/3-21G

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 MP2=FULL/3-21G
 hartrees
Energy at 0K-89.744864
Energy at 298.15K-89.744550
HF Energy-89.606172
Nuclear repulsion energy17.371290
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/3-21G
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 3877 3702 219.83      
2 Σ 1416 1352 60.04      
3 Π 263 251 231.78      
3 Π 263 251 231.78      

Unscaled Zero Point Vibrational Energy (zpe) 2909.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 2778.2 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 MP2=FULL/3-21G
B
1.25868

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.356
Be2 0.000 0.000 -1.044
H3 0.000 0.000 1.323

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39990.9664
Be21.39992.3663
H30.96642.3663

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 180.000
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-89.744864
Energy at 298.15K-89.744550
HF Energy-89.606172
Nuclear repulsion energy17.371290
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/3-21G
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 3877 3702 219.83      
2 Σ 1416 1352 60.04      
3 Π 263 251 231.78      
3 Π 263 251 231.78      

Unscaled Zero Point Vibrational Energy (zpe) 2909.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 2778.2 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 MP2=FULL/3-21G
B
1.25868

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.356
Be2 0.000 0.000 -1.044
H3 0.000 0.000 1.323

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39990.9664
Be21.39992.3663
H30.96642.3663

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