from typing import Dict


def estimate_disk_space(options: Dict[str, str]):
    """Function to estimate the used/required disk space based on the given options"""

    # We estimate the disk space usage based on the used basis set
    if options["basis"] == "cc-pVDZ":
        return 7
    elif options["basis"] == "cc-pVTZ":
        return 50
    elif options["basis"] == "cc-pVQZ":
        return 200

    raise RuntimeError("Invalid basis encountered")