This is the code I tried:

This is the code I tried:

The problem of missing atoms has been bothering me for a year. I need some help. Thank you.
Excluding other causes such as model errors, I believe that the root of the problem lies in the potential parameters.
The data file is in the comments section. Both methods share one.
Here are my two proposals:
Method 1
Just use buckhaming. Except for hydrogen and oxygen, the other potential functions come from the same literature.The literature on the potential function of hydrogen and oxygen contains silicon hydroxide, except hydrogen and oxygen, the other potential functions are the same as the other literature, so I choose to use together. This is my in file code: