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

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

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

Conformer 1 (D*H)

Jump to S1C2
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-678.744098
Energy at 298.15K 
HF Energy-678.744098
Nuclear repulsion energy10.458646
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 B3LYP/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 1332 1287 0.00      
2 Σu 1240 1198 943.13      
3 Πu 136i 131i 792.18      
3 Πu 136i 131i 792.18      

Unscaled Zero Point Vibrational Energy (zpe) 1150.4 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1111.6 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 B3LYP/6-311G*
B
1.99168

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 2.049
H3 0.000 0.000 -2.049

Atom - Atom Distances (Å)
  Ca1 H2 H3
Ca12.04922.0492
H22.04924.0984
H32.04924.0984

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 B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.754      
2 H -0.377      
3 H -0.377      


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 -16.543 0.000 0.000
y 0.000 -16.543 0.000
z 0.000 0.000 -42.623
Traceless
 xyz
x 13.040 0.000 0.000
y 0.000 13.040 0.000
z 0.000 0.000 -26.080
Polar
3z2-r2-52.160
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 4.016 0.000 0.000
y 0.000 4.016 0.000
z 0.000 0.000 7.401


<r2> (average value of r2) Å2
<r2> 24.161
(<r2>)1/2 4.915

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-678.744741
Energy at 298.15K-678.745783
HF Energy-678.744741
Nuclear repulsion energy10.582597
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 B3LYP/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 A1 1341 1296 34.93      
2 A1 226 218 647.56      
3 B2 1270 1227 903.50      

Unscaled Zero Point Vibrational Energy (zpe) 1418.6 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1370.8 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 B3LYP/6-311G*
ABC
20.05456 2.27936 2.04673

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.060
H2 0.000 1.916 -0.602
H3 0.000 -1.916 -0.602

Atom - Atom Distances (Å)
  Ca1 H2 H3
Ca12.02662.0266
H22.02663.8310
H32.02663.8310

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 141.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.840      
2 H -0.420      
3 H -0.420      


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 4.001 4.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.247 0.000 0.000
y 0.000 -39.279 0.000
z 0.000 0.000 -18.165
Traceless
 xyz
x 12.474 0.000 0.000
y 0.000 -22.073 0.000
z 0.000 0.000 9.598
Polar
3z2-r219.197
x2-y223.032
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.304 0.000 0.000
y 0.000 7.494 0.000
z 0.000 0.000 5.674


<r2> (average value of r2) Å2
<r2> 23.477
(<r2>)1/2 4.845