pub struct InversionCentre{
pub(crate) name: &'static str,
pub(crate) k: f64,
pub(crate) c0: f64,
pub(crate) c1: f64,
pub(crate) c2: f64
}
pub static INVERSION_CENTERS: [InversionCentre; 4] = [
InversionCentre{name: "P_3", k: 1.08449, c0: 12.08079, c1: -3.72982, c2: -11.93509},
InversionCentre{name: "As_3", k: 1.15963, c0: 10.57534, c1: -2.12537, c2: -10.52168},
InversionCentre{name: "Sb_3", k: 1.10944, c0: 10.67772, c1: -1.49926, c2: -10.65134},
InversionCentre{name: "Bi_3", k: 1.00937, c0: 11.10497, c1: -0.41220, c2: -11.10306}
];