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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
1 2 no C2V 1A1

Conformer 1 (D*H)

Jump to S1C2
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-675.455249
Energy at 298.15K-675.456395
HF Energy-675.455249
Nuclear repulsion energy 
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 B97D3/3-21G
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 1155 1135 0.00      
2 Σu 1164 1144 229.87      
3 Πu 306 301 539.33      
3 Πu 306 301 539.33      

Unscaled Zero Point Vibrational Energy (zpe) 1465.7 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 1440.7 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 B97D3/3-21G
B
1.78014

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

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 2.168
H3 0.000 0.000 -2.168

Atom - Atom Distances (Å)
  Ca1 H2 H3
Ca12.16752.1675
H22.16754.3350
H32.16754.3350

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 B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.497      
2 H -0.249      
3 H -0.249      


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 -18.490 0.000 0.000
y 0.000 -18.490 0.000
z 0.000 0.000 -42.994
Traceless
 xyz
x 12.252 0.000 0.000
y 0.000 12.252 0.000
z 0.000 0.000 -24.504
Polar
3z2-r2-49.007
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 6.776 0.000 0.000
y 0.000 6.776 0.000
z 0.000 0.000 7.254


<r2> (average value of r2) Å2
<r2> 26.046
(<r2>)1/2 5.104

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-675.455249
Energy at 298.15K 
HF Energy-675.455249
Nuclear repulsion energy 
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 B97D3/3-21G
Rotational Constants (cm-1) from geometry optimized at B97D3/3-21G
B
1.78014

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is D∞h

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.554      
2 H -0.277      
3 H -0.277      


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 4.176 4.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.384 0.000 0.000
y 0.000 -39.799 0.000
z 0.000 0.000 -20.455
Traceless
 xyz
x 11.743 0.000 0.000
y 0.000 -20.380 0.000
z 0.000 0.000 8.637
Polar
3z2-r217.273
x2-y221.415
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.776 0.000 0.000
y 0.000 6.776 0.000
z 0.000 0.000 7.254


<r2> (average value of r2) Å2
<r2> 25.241
(<r2>)1/2 5.024