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All results from a given calculation for CaH2 (Calcium Hydride)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-677.859068
Energy at 298.15K-677.859989
HF Energy-677.859068
Nuclear repulsion energy10.300249
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 HF/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 Σg 1348 1224 0.00      
2 Σu 1281 1164 922.98      
3 Πu 211 191 924.33      
3 Πu 211 191 924.33      

Unscaled Zero Point Vibrational Energy (zpe) 1524.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 1385.3 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 HF/6-311G**
B
1.93181

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.000
H2 0.000 0.000 2.081
H3 0.000 0.000 -2.081

Atom - Atom Distances (Å)
  Ca1 H2 H3
Ca12.08072.0807
H22.08074.1614
H32.08074.1614

picture of Calcium Hydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Ca1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.944      
2 H -0.472      
3 H -0.472      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.395 0.000 0.000
y 0.000 -16.395 0.000
z 0.000 0.000 -44.954
Traceless
 xyz
x 14.280 0.000 0.000
y 0.000 14.280 0.000
z 0.000 0.000 -28.560
Polar
3z2-r2-57.120
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 3.361 0.000 0.000
y 0.000 3.361 0.000
z 0.000 0.000 6.365


<r2> (average value of r2) Å2
<r2> 24.844
(<r2>)1/2 4.984