ban dau ban phai xac dinh duoc cong thuc cua cumarin, tui cung dang lam bai tap nay ne, nhung chua tim duoc cong thuc, sau do ve cong thuc tren Hyper, tiep theo la toi chay singer point CI , toi uu hoa cau truc cho phan tu, nho la phai chon phuong phap ZINDO/s nha. sau do ban chay pho electron, xac dinh cac bit trong do, roi hay du doan xem bit nao se cho buoc song nam trong vung quang pho nhin thay, mau cua no do bit lon nhat quyet dinh do. Tui nghi nen lam nhu the. Co thanh vien nao co huong giai khac post len ban luan nha.
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