H2C CH3

The formula you provided, H2C-CH3, can be interpreted as a structural representation of ethylene (ethylene can also be represented as C2H4). In a structural formula, it illustrates two carbon atoms (C) bonded to each other, one with two hydrogen atoms (H) and the other with three hydrogen atoms.

In a more conventional way, this can be represented as:

    H   H
     \ /
      C
     / \
    H   C
       / \
      H   H

However, if you meant the molecular formula for ethane, it is C2H6.

Let me know if you need further clarification or details on organic compounds!