return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CID/6-31G*

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 CID/6-31G*
 hartrees
Energy at 0K-752.381474
Energy at 298.15K-752.382763
HF Energy-752.176294
Nuclear repulsion energy48.824519
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 CID/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 4009 3703 9.55      
2 Σ 645 596 90.98      
3 Π 409 378 151.47      
3 Π 409 378 151.47      

Unscaled Zero Point Vibrational Energy (zpe) 2735.7 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 2527.0 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 CID/6-31G*
B
0.30748

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.675
O2 0.000 0.000 -1.395
H3 0.000 0.000 -2.350

Atom - Atom Distances (Å)
  Ca1 O2 H3
Ca12.07033.0259
O22.07030.9557
H33.02590.9557

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