C# - how do I get a maximum value from a list then get the elements of that line

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C#

Firstly, Hi to everyone. I am working on a FormsApp. My question is, I have a linq codes that reads a file, creates me a List of objects from that file (based on variables i've created). My variable class looks like this:

class Atom
    {
        public string atom_keyword;
        public int atom_no;
        public string atom_name;
        public string amino_name;
        public char chain;
        public int amino_no;
        public float x_coordinate;
        public float y_coordinate;
        public float z_coordinate;
        public float ratio;
        public float temperature;
        public char sec_atom;
    }

And my file looks like this:

ATOM      1  N   MET A   1     -13.878  31.694  -3.970  1.00 52.63           N  
ATOM      2  CA  MET A   1     -13.202  30.367  -3.923  1.00 53.98           C  
ATOM      3  C   MET A   1     -12.645  30.015  -5.292  1.00 54.54           C  
ATOM      4  O   MET A   1     -11.628  29.330  -5.413  1.00 54.54           O  
ATOM      5  CB  MET A   1     -14.175  29.281  -3.472  1.00 55.49           C  
ATOM      6  CG  MET A   1     -13.527  28.198  -2.635  1.00 57.84           C  
ATOM      7  SD  MET A   1     -12.733  28.897  -1.159  1.00 62.51           S  

I'm splitting those columns and getting them in an Array then to my list. My main looks like this.

// theese lines works under a button1_Click..
string filePath = @"somePath";
string stringToSearch = @"ATOM";
List<Atom> Atoms = File.ReadAllLines(filePath)       // Read all the lines
    .Where(line => line.StartsWith(stringToSearch))  // Filter (because file has some other things besides ATOM parts..)
    .Select(line =>
    {
        // Split the line on the space character into an array 
        var strArray = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);

        // Return a new Atom for each line based on the array contents
        return strArray.Length < 12  // Ensure we have at least 12 elements in the array
            ? null                   // If we don't have 12, return 'null'
            : new Atom               // Otherwise return a new atom from the array
            {
                atom_keyword = strArray[0],
                atom_no = int.Parse(strArray[1]),
                atom_name = strArray[2],
                amino_name = strArray[3],
                chain = char.Parse(strArray[4]),
                amino_no = int.Parse(strArray[5]),
                x_coordinate = float.Parse(strArray[6]),
                y_coordinate = float.Parse(strArray[7]),
                z_coordinate = float.Parse(strArray[8]),
                ratio = float.Parse(strArray[9]),
                temperature = float.Parse(strArray[10]),
                sec_atom = char.Parse(strArray[11])
            };
        

    })
    .ToList(); //add them to the list

My question is: How do I get the maximum value of a variable (for example, max value of x_coordinate) then work with that line. For example which line has the maximum value of x_coordinate and what's the atom_name of that line?

What I have tried:

I've tried this

float maxX = Atoms.Max(atom => atom.x_coordinate);
label1.Text = Convert.ToString(maxX); //I'm printing the max value of x_coordinate to a label

That part works just fine. But I want to get the information about the line where maxX variable is. I mean which line has the maxX, what's the atom_name of that line or what's the amino_name of that line etc.. Then I will print the necessary informations to a label..

Is there a method or way to get those infos? I'm searching but I couldn't find a solution yet..