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

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 yes CS 2A'
1 2 no C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-90.319831
Energy at 298.15K-90.319622
HF Energy-90.102587
Nuclear repulsion energy17.253029
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' 4015 3815 161.93 74.84 0.24 0.38
2 A' 1242 1180 80.27 9.01 0.32 0.49
3 A' 332 316 181.04 15.11 0.58 0.73

Unscaled Zero Point Vibrational Energy (zpe) 2794.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 2655.6 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
40.68731 1.28474 1.24542

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.053 -0.388 0.000
Be2 0.053 1.039 0.000
H3 -0.638 -1.050 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.42660.9575
Be21.42662.2003
H30.95752.2003

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 133.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-90.319116
Energy at 298.15K 
HF Energy-90.101937
Nuclear repulsion energy17.467891
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 Σ 4129 3925 270.79      
2 Σ 1311 1246 106.83      
3 Π 187i 177i 163.04      
3 Π 187i 177i 163.04      

Unscaled Zero Point Vibrational Energy (zpe) 2533.4 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 2407.7 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 MP2=FULL/cc-pVDZ
B
1.26561

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.357
Be2 0.000 0.000 -1.041
H3 0.000 0.000 1.307

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39840.9498
Be21.39842.3482
H30.94982.3482

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