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All results from a given calculation for CaOH (Calcium monohydroxide)

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ+
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-112.278396
Energy at 298.15K-112.279866
HF Energy-111.956395
Nuclear repulsion energy27.175629
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/SDD
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 3836 3703 27.31      
2 Σ 625 604 77.61      
3 Π 522 504 159.05      
3 Π 522 504 159.05      

Unscaled Zero Point Vibrational Energy (zpe) 2752.5 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 2657.0 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/SDD
B
0.32456

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.658
O2 0.000 0.000 -1.353
H3 0.000 0.000 -2.326

Atom - Atom Distances (Å)
  Ca1 O2 H3
Ca12.01092.9841
O22.01090.9731
H32.98410.9731

picture of Calcium monohydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ca1 O2 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability