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

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-90.372047
Energy at 298.15K-90.371730
HF Energy-90.116613
Nuclear repulsion energy17.551606
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/6-311G*
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' 4076 3861 170.64      
2 A' 1305 1236 97.15      
3 A' 243 230 235.14      

Unscaled Zero Point Vibrational Energy (zpe) 2811.9 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 2663.2 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/6-311G*
ABC
80.48347 1.30786 1.28695

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.038 -0.367 0.000
Be2 0.038 1.027 0.000
H3 -0.460 -1.173 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39380.9483
Be21.39382.2561
H30.94832.2561

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 148.261
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-90.371841
Energy at 298.15K 
HF Energy-90.116042
Nuclear repulsion energy17.686209
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/6-311G*
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 4132 3913 224.53      
2 Σ 1341 1270 110.97      
3 Π 149i 141i 214.34      
3 Π 149i 141i 214.34      

Unscaled Zero Point Vibrational Energy (zpe) 2587.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 2450.7 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/6-311G*
B
1.30190

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

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 1.296

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37740.9448
Be21.37742.3222
H30.94482.3222

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