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. 2020 Apr 21;76(Pt 5):677–682. doi: 10.1107/S2056989020005228

Table 2. Comparison of selected (X-ray and DFT) geometric data (Å, °) for (I).

Bonds/angles X-ray B3LYP/6–311G(d,p)
Br1—C1 1.8954 (19) 1.94573
Br2—C24 1.953 (3) 2.02642
O1—N4 1.224 (2) 1.28476
O2—N4 1.233 (2) 1.28545
N1—C5 1.357 (2) 1.36426
N1—C4 1.361 (2) 1.42977
N1—C13 1.473 (3) 1.47563
N2—C5 1.336 (2) 1.35689
N2—C6 1.372 (3) 1.40945
N3—C6 1.346 (2) 1.40939
N3—C1 1.372 (2) 1.38222
N4—C10 1.465 (2) 1.42118
C5—N1—C4 118.57 (17) 117.37
C5—N1—C13 119.67 (16) 119.58
C4—N1—C13 121.75 (17) 120.96
C5—N2—C6 100.79 (16) 101.37
C6—N3—C1 102.17 (16) 101.96
O1—N4—O2 123.30 (19) 122.47
O1—N4—C10 118.48 (18) 118.78
O2—N4—C10 118.22 (18) 118.74
N3—C1—C2 132.04 (18) 133.14
N3—C1—C5 107.59 (16) 105.38
C2—C1—C5 120.37 (18) 121.46