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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-90.302422
Energy at 298.15K-90.302025
HF Energy-90.090274
Nuclear repulsion energy17.476541
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=FULL/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' 4041 3792 148.75      
2 A' 1313 1232 110.83      
3 A' 188 177 220.30      

Unscaled Zero Point Vibrational Energy (zpe) 2770.9 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 2600.0 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 MP3=FULL/6-31G*
ABC
60.18611 1.30795 1.28013

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.050 -0.379 0.000
Be2 0.050 1.027 0.000
H3 -0.604 -1.078 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40570.9577
Be21.40572.2041
H30.95772.2041

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 136.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-90.302395
Energy at 298.15K-90.301573
HF Energy-90.089713
Nuclear repulsion energy17.653186
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=FULL/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 4137 3882 211.94      
2 Σ 1373 1288 137.19      
3 Π 99 93 184.11      
3 Π 99 93 184.11      

Unscaled Zero Point Vibrational Energy (zpe) 2854.3 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 2678.1 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=FULL/6-31G*
B
1.29861

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

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 -1.027
H3 0.000 0.000 1.300

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37870.9490
Be21.37872.3276
H30.94902.3276

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