Table 6. Bond Angles of Quinoline Dione.

atom	atom	atom	angle (°)	atom	atom	atom	angle (°)
O1	C1	C2	111.6(5)	C13	C7	C12	106.9(5)
O2	C1	C2	128.0(5)	C9	C8	C7	123.1(5)
O2	C1	O1	120.4(6)	N1	C8	C7	108.3(4)
C3	C2	C1	110.0(5)	N1	C8	C9	128.5(5)
C4	C2	C1	100.1(4)	C10	C9	C8	121.1(5)
C4	C2	C3	117.1(5)	C14	C9	C8	125.3(5)
C5	C4	C2	121.6(5)	C14	C9	C10	113.6(5)
N1	C4	C2	102.8(5)	C11	C10	C9	116.7(5)
N1	C4	C5	108.8(5)	O3	C10	C9	122.2(5)
C6	C5	C4	107.1(5)	O3	C10	C11	121.0(5)
C7	C6	C5	113.6(5)	C12	C11	C10	122.6(6)
C8	C7	C6	111.6(5)	C11	C12	C7	124.0(6)
C12	C7	C6	106.5(5)	C8	N1	C4	109.8(5)
C12	C7	C8	112.0(5)	O1	N1	C4	102.4(5)
C13	C7	C6	111.1(5)	O1	N1	C8	115.5(4)
C13	C7	C8	108.7(5)	N1	O1	C1	108.4(4)