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

using model chemistry: wB97X-D/TZVP

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 wB97X-D/TZVP
 hartrees
Energy at 0K-678.707960
Energy at 298.15K-678.709133
HF Energy-678.707960
Nuclear repulsion energy10.062257
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 wB97X-D/TZVP
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 1264 1207 0.00      
2 Σu 1247 1191 526.64      
3 Πu 309 295 800.60      
3 Πu 309 295 800.60      

Unscaled Zero Point Vibrational Energy (zpe) 1564.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1494.3 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 wB97X-D/TZVP
B
1.84367

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

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 wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.947      
2 H -0.474      
3 H -0.474      


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 -17.085 0.000 0.000
y 0.000 -17.085 0.000
z 0.000 0.000 -43.888
Traceless
 xyz
x 13.402 0.000 0.000
y 0.000 13.402 0.000
z 0.000 0.000 -26.803
Polar
3z2-r2-53.607
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 4.427 0.000 0.000
y 0.000 4.427 0.000
z 0.000 0.000 7.554


<r2> (average value of r2) Å2
<r2> 25.324
(<r2>)1/2 5.032

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-678.707960
Energy at 298.15K 
HF Energy-678.707960
Nuclear repulsion energy10.062743
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 wB97X-D/TZVP
Rotational Constants (cm-1) from geometry optimized at wB97X-D/TZVP
B
1.84367

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.062
H2 0.000 2.022 -0.619
H3 0.000 -2.022 -0.619

Atom - Atom Distances (Å)
  Ca1 H2 H3
Ca12.13362.1336
H22.13364.0441
H32.13364.0441

picture of Calcium Hydride state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Ca1 H3 142.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.997      
2 H -0.498      
3 H -0.498      


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 5.032 5.032
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.145 0.000 0.000
y 0.000 -40.680 0.000
z 0.000 0.000 -19.740
Traceless
 xyz
x 13.065 0.000 0.000
y 0.000 -22.237 0.000
z 0.000 0.000 9.172
Polar
3z2-r218.344
x2-y223.535
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.427 0.000 0.000
y 0.000 4.427 0.000
z 0.000 0.000 7.554


<r2> (average value of r2) Å2
<r2> 25.018
(<r2>)1/2 5.002