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

using model chemistry: B2PLYP/cc-pVTZ

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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-678.525131
Energy at 298.15K 
HF Energy-678.507166
Nuclear repulsion energy10.399572
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 B2PLYP/cc-pVTZ
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 1329 1275 0.00      
2 Σu 1237 1187 953.72      
3 Πu 132i 127i 973.61      
4 Πu 132i 127i 973.61      

Unscaled Zero Point Vibrational Energy (zpe) 1151.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1104.7 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 B2PLYP/cc-pVTZ
B
1.96925

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

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 1.812
H3 0.000 0.000 -1.812

Atom - Atom Distances (Å)
  Ca1 H2 H3
Ca11.81231.8123
H21.81233.6245
H31.81233.6245

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 B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.649      
2 H -0.325      
3 H -0.325      


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 -16.367 0.000 0.000
y 0.000 -16.367 0.000
z 0.000 0.000 -43.081
Traceless
 xyz
x 13.357 0.000 0.000
y 0.000 13.357 0.000
z 0.000 0.000 -26.714
Polar
3z2-r2-53.428
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 6.602 0.000 0.000
y 0.000 6.602 0.000
z 0.000 0.000 7.554


<r2> (average value of r2) Å2
<r2> 24.279
(<r2>)1/2 4.927