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

using model chemistry: B97D3/6-31+G**

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 B97D3/6-31+G**
 hartrees
Energy at 0K-678.778081
Energy at 298.15K-678.779077
HF Energy-678.778081
Nuclear repulsion energy10.116117
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 B97D3/6-31+G**
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 1243 1222 0.00      
2 Σu 1238 1217 444.48      
3 Πu 242 238 682.87      
3 Πu 242 238 682.87      

Unscaled Zero Point Vibrational Energy (zpe) 1483.0 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 1457.5 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 B97D3/6-31+G**
B
1.86336

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

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 2.119
H3 0.000 0.000 -2.119

Atom - Atom Distances (Å)
  Ca1 H2 H3
Ca12.11862.1186
H22.11864.2371
H32.11864.2371

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 B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.583      
2 H -0.291      
3 H -0.291      


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 -17.546 0.000 0.000
y 0.000 -17.546 0.000
z 0.000 0.000 -42.691
Traceless
 xyz
x 12.573 0.000 0.000
y 0.000 12.573 0.000
z 0.000 0.000 -25.146
Polar
3z2-r2-50.291
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 6.116 0.000 0.000
y 0.000 6.116 0.000
z 0.000 0.000 7.213


<r2> (average value of r2) Å2
<r2> 25.171
(<r2>)1/2 5.017

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-678.778081
Energy at 298.15K-678.779136
HF Energy-678.778081
Nuclear repulsion energy10.118405
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 B97D3/6-31+G**
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 1245 1223 0.00      
2 A1 242 237 683.11      
3 B2 1240 1218 444.49      

Unscaled Zero Point Vibrational Energy (zpe) 1362.9 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 1339.5 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 B97D3/6-31+G**
B
1.86420

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.000
H2 0.000 2.118 -0.000
H3 0.000 -2.118 -0.000

Atom - Atom Distances (Å)
  Ca1 H2 H3
Ca12.11812.1181
H22.11814.2362
H32.11814.2362

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 140.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.583      
2 H -0.292      
3 H -0.292      


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 0.001 0.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.544 0.000 0.000
y 0.000 -42.685 0.000
z 0.000 0.000 -17.544
Traceless
 xyz
x 12.570 0.000 0.000
y 0.000 -25.141 0.000
z 0.000 0.000 12.570
Polar
3z2-r225.141
x2-y225.141
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.114 0.000 0.000
y 0.000 7.209 0.000
z 0.000 0.000 6.114


<r2> (average value of r2) Å2
<r2> 25.165
(<r2>)1/2 5.016