fix the binder links for molecular vibration

README.md

@@ -66,9 +66,9 @@ Here are the tutorials to demonstrate the band theory of crystal systems.
 ### Section 3: Molecule and Lattice Vibration
 | Name       | Description           | Notebook links  | Binder | Materials Cloud | 
 | ------------- |:-------------:| -----:| -----:| -----:|
-| Phonon 1D | lattice vibration for one dimensional system | [Phonons 1D](./notebook/lattice-vibration/Phonon_1D.ipynb) | [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/osscar-org/quantum-mechanics/master?urlpath=%2Fvoila%2Frender%2Fnotebook%2Flattice-vibration%2Phonon_1D.ipynb) | [![Materials Cloud Tool osscar-qmcourse](https://raw.githubusercontent.com/materialscloud-org/mcloud-badge/main/badges/img/mcloud_badge_tools.svg)](https://osscar-quantum-mechanics.materialscloud.io/voila/render/lattice-vibration/Phonon_1D.ipynb) |
-| Phonon 2D | lattice vibration for two dimensional systems | [Phonon 2D](./notebook/lattice-vibration/Phonon_1D.ipynb) | [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/osscar-org/quantum-mechanics/master?urlpath=%2Fvoila%2Frender%2Fnotebook%2Flattice-vibration%2Phonon_2D.ipynb) | [![Materials Cloud Tool osscar-qmcourse](https://raw.githubusercontent.com/materialscloud-org/mcloud-badge/main/badges/img/mcloud_badge_tools.svg)](https://osscar-quantum-mechanics.materialscloud.io/voila/render/lattice-vibration/Phonon_2D.ipynb) |
-| Molecular Vibrations | introduce to molecular vibrations | [Molecular Vibration](./notebook/lattice-vibration/Phonon_1D.ipynb) | [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/osscar-org/quantum-mechanics/master?urlpath=%2Fvoila%2Frender%2Fnotebook%2Flattice-vibration%2Molecule_Vibration.ipynb) | [![Materials Cloud Tool osscar-qmcourse](https://raw.githubusercontent.com/materialscloud-org/mcloud-badge/main/badges/img/mcloud_badge_tools.svg)](https://osscar-quantum-mechanics.materialscloud.io/voila/render/lattice-vibration/Molecule_Vibration.ipynb) |
+| Phonon 1D | lattice vibration for one dimensional system | [Phonons 1D](./notebook/lattice-vibration/Phonon_1D.ipynb) | [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/osscar-org/quantum-mechanics/master?urlpath=%2Fvoila%2Frender%2Fnotebook%2Flattice-vibration%2FPhonon_1D.ipynb) | [![Materials Cloud Tool osscar-qmcourse](https://raw.githubusercontent.com/materialscloud-org/mcloud-badge/main/badges/img/mcloud_badge_tools.svg)](https://osscar-quantum-mechanics.materialscloud.io/voila/render/lattice-vibration/Phonon_1D.ipynb) |
+| Phonon 2D | lattice vibration for two dimensional systems | [Phonon 2D](./notebook/lattice-vibration/Phonon_2D.ipynb) | [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/osscar-org/quantum-mechanics/master?urlpath=%2Fvoila%2Frender%2Fnotebook%2Flattice-vibration%2FPhonon_2D.ipynb) | [![Materials Cloud Tool osscar-qmcourse](https://raw.githubusercontent.com/materialscloud-org/mcloud-badge/main/badges/img/mcloud_badge_tools.svg)](https://osscar-quantum-mechanics.materialscloud.io/voila/render/lattice-vibration/Phonon_2D.ipynb) |
+| Molecular Vibrations | introduce to molecular vibrations | [Molecular Vibration](./notebook/lattice-vibration/Molecule_Vibration.ipynb) | [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/osscar-org/quantum-mechanics/master?urlpath=%2Fvoila%2Frender%2Fnotebook%2Flattice-vibration%2FMolecule_Vibration.ipynb) | [![Materials Cloud Tool osscar-qmcourse](https://raw.githubusercontent.com/materialscloud-org/mcloud-badge/main/badges/img/mcloud_badge_tools.svg)](https://osscar-quantum-mechanics.materialscloud.io/voila/render/lattice-vibration/Molecule_Vibration.ipynb) |
 
 ### Section 4: Molecular Dynamics