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

using model chemistry: MP4=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 MP4=FULL/6-311G**
 hartrees
Energy at 0K-90.399049
Energy at 298.15K-90.398812
HF Energy-90.123319
Nuclear repulsion energy17.428784
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 MP4=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' 4031 3876 0.00      
2 A' 1257 1208 0.00      
3 A' 307 296 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2797.6 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 2689.9 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 MP4=FULL/6-311G**
ABC
40.64209 1.31565 1.27440

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.053 -0.383 0.000
Be2 0.053 1.026 0.000
H3 -0.639 -1.038 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40960.9527
Be21.40962.1773
H30.95272.1773

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 133.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-90.398581
Energy at 298.15K 
HF Energy-90.123073
Nuclear repulsion energy17.651134
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 MP4=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 4148 3988        
2 Σ 1328 1277        
3 Π 107i 103i        
3 Π 107i 103i        

Unscaled Zero Point Vibrational Energy (zpe) 2631.2 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 2529.9 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 MP4=FULL/6-311G**
B
1.29625

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.352
Be2 0.000 0.000 -1.029
H3 0.000 0.000 1.298

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38060.9454
Be21.38062.3261
H30.94542.3261

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