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

using model chemistry: MP2/6-31G**

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 MP2/6-31G**
 hartrees
Energy at 0K-90.306178
Energy at 298.15K-90.305965
HF Energy-90.097921
Nuclear repulsion energy17.376568
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 MP2/6-31G**
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' 4080 3821 149.95      
2 A' 1275 1194 93.43      
3 A' 329 308 203.65      

Unscaled Zero Point Vibrational Energy (zpe) 2841.7 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 2661.2 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 MP2/6-31G**
ABC
45.80571 1.29969 1.26383

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.050 -0.382 0.000
Be2 0.050 1.032 0.000
H3 -0.604 -1.076 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.41370.9536
Be21.41372.2069
H30.95362.2069

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 136.701
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-90.305532
Energy at 298.15K 
HF Energy-90.097150
Nuclear repulsion energy17.569285
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 MP2/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 4182 3917 241.24      
2 Σ 1343 1258 118.63      
3 Π 196i 183i 173.36      
3 Π 196i 183i 173.36      

Unscaled Zero Point Vibrational Energy (zpe) 2567.0 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 2404.0 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 MP2/6-31G**
B
1.28156

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.355
Be2 0.000 0.000 -1.035
H3 0.000 0.000 1.301

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38930.9462
Be21.38932.3355
H30.94622.3355

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