adds the gradients' units to the description table

README.md

@@ -115,18 +115,18 @@ An example of a data instance is as follows:
 
 ### Data Fields
 
-| Field             | Description                                                   |
-| ----------------- | ------------------------------------------------------------- |
-| id                | Unique identifier for the data instance                       |
-| positions         | 3D Cartesian coordinates of the atoms in Angstroem            |
-| atomicNumbers     | Atomic numbers                                                |
-| elements          | Chemical symbols                                              |
-| charge            | Total charge of the system                                    |
-| multiplicity      | Spin multiplicity of the system                               |
-| totalEnergy       | Total energy of the system in Hartree                         |
-| gradient          | Gradient of the total energy with respect to atomic positions |
-| dipoleMoment      | Dipole moment                                                 |
-| atomizationEnergy | Atomization energy of the system                              |
+| Field             | Description                                                                        |
+| ----------------- | ---------------------------------------------------------------------------------- |
+| id                | Unique identifier for the data instance                                            |
+| positions         | 3D Cartesian coordinates of the atoms in Angstroem                                 |
+| atomicNumbers     | Atomic numbers                                                                     |
+| elements          | Chemical symbols                                                                   |
+| charge            | Total charge of the system                                                         |
+| multiplicity      | Spin multiplicity of the system                                                    |
+| totalEnergy       | Total energy of the system in Hartree                                              |
+| gradient          | Gradient of the total energy with respect to atomic positions in Hartree/Angstroem |
+| dipoleMoment      | Dipole moment                                                                      |
+| atomizationEnergy | Atomization energy of the system                                                   |
 
 ### Data Splits and Configurations