def new_struct(line):
    """
    Determines if a new structure begins on line in question.

    Currently only works for multiple structure files containing these key
    words in their header. 

    Convention of Connect format (ct format) is to include 'ENERGY = value' 
    (value left blank if not applicable)

    Support for additional formats will be added as needed
    """
    answer=False
    if 'Structure' in line or 'dG' in line or 'ENERGY' in line:
        answer = True

    return answer