Skip to main content
. 2019 May 15;24(10):1875. doi: 10.3390/molecules24101875

Table 6.

Experimental details of the crystallographic analysis for lactones 5a, 7a, 13a, 12b and 12c.

5a 7a 13a 12b 12c
Empirical formula C16H15O2Cl C16H15O2Br C16H16O3 C12H14O3 C12H13FO3
Formula weight 274.73 319.19 256.29 206.24 224.22
Temperature (K) 293.15 293.15 100 100 293.15
Wavelength (Å) 0.71073 0.71073 1.54184 1.54184 0.71073
Crystal system, space group monoclinic, P21/c monoclinic, P21/c monoclinic, P21/c orthorhombic P b c a (P21/b21/c21/a) orthorhombic P b c a
a (Å) 13.670(3) 13.9026(9) 11.4137(2) 10.1332(2) 10.042(3)
b(Å) 8.9220(2) 8.9784(4) 11.46100(10) 7.62820(10) 7.591(2)
c(Å) 11.890(3) 11.8318(9) 10.7848(2) 27.2405(2) 28.174(3)
β ( ) 111.73(3) 111.418(8) 117.359(2) 90 90
Volume (Å3) 1347.1(5) 1374.89(17) 1252.982 (4) 2105.64(5) 2147.8(9)
Z, Calculated density (Mg/m3) 4, 1.355 4, 1.542 4, 0.154 8, 0.1831 8, 1.387
Absorption coefficient (mm1) 0.278 2.984 0.126 0.150 0.110
F(000) 576 648 544 880 944
Theta range for data collection () 2.935 −28.804 2.927 −26.999 3.86 −76.29 3.24 −75.38 3.441 −28.867
Index ranges −17 ≤ h ≤ 18, −11 ≤ k ≤ 12, −16 ≤ l ≤ 9 −17≤ h≤ 17, −11 ≤ k ≤ 11, −12 ≤ l ≤ 15 −14 ≤ h ≤ 14, −14 ≤ k ≤ 14, −12 ≤ l ≤ 13 −142 ≤ h≤ 10, −9 ≤ k ≤ 9, −32 ≤ l ≤ 33 −13 ≤ h≤ 13, −8≤ k ≤ 10, −36 ≤ l ≤ 37
Reflections Collected unique observed [I > 2sigma(I)] 9623 9471 17416 13106 14345
3259 2957 2623 2170 2677
1811 1923 2483 2017 1951
Rint 0.0713 0.0959 0.0281 0.0401 0.0501
Completeness to Θ (%) 25.242, 99.1 25.242, 99.2 76.29, 99.0 75.38, 99.0 25.242, 99.8
Refinement method Full-matrix least-squares on F2 Full-matrix least-squares on F2 Full-matrix least-squares on F2 Full-matrix least-squares on F2 Full-matrix least-squares on F2
Data/restraints/parameters 3259/0/172 2957/0/172 2623/0/259 2170/0/140 2677/0/149
Goodness-of-fit on F2 0.883 1.436 4.030 3.16 1.052
Final R indices [I > 2sigma(I)] R1 = 0.0569 R1 = 0.0703 R1 = 0.0408 R1 = 0.0408 R1 = 0.0485
wR2 = 0.1289 wR2 = 0.1686 wR2 = 0.1184 wR2 = 0.0534 wR2 = 0.1315
R indices (all data) R1 = 0.1079 R1 = 0.1149 R1 = 0.0422 R1 = 0.0429 R1 = 0.0669
wR2 = 0.1433 wR2 = 0.2216 wR2 = 0.1192 wR2 = 0.0540 wR2 = 0.1384