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: B3PW91/6-31G*

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 B3PW91/6-31G*
 hartrees
Energy at 0K-753.285681
Energy at 298.15K-753.286849
HF Energy-753.285681
Nuclear repulsion energy48.933631
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 B3PW91/6-31G*
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 3953 3782 7.88      
2 Σ 626 599 69.62      
3 Π 354 339 139.82      
3 Π 354 339 139.82      

Unscaled Zero Point Vibrational Energy (zpe) 2643.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 2528.9 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 B3PW91/6-31G*
B
0.30902

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.674
O2 0.000 0.000 -1.391
H3 0.000 0.000 -2.348

Atom - Atom Distances (Å)
  Ca1 O2 H3
Ca12.06483.0215
O22.06480.9567
H33.02150.9567

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
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.584      
2 O -0.956      
3 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.125 1.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.787 0.000 0.000
y 0.000 -24.787 0.000
z 0.000 0.000 -28.981
Traceless
 xyz
x 2.097 0.000 0.000
y 0.000 2.097 0.000
z 0.000 0.000 -4.194
Polar
3z2-r2-8.388
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 16.690 0.000 0.000
y 0.000 16.690 0.000
z 0.000 0.000 11.432


<r2> (average value of r2) Å2
<r2> 46.426
(<r2>)1/2 6.814