| Crystal data |
| Chemical formula |
C19H18O7
|
|
M
r
|
358.33 |
| Crystal system, space group |
Triclinic, P
|
| Temperature (K) |
293 |
|
a, b, c (Å) |
5.0789 (4), 8.0801 (6), 20.8682 (19) |
| α, β, γ (°) |
92.481 (7), 91.984 (7), 94.253 (6) |
|
V (Å3) |
852.62 (12) |
|
Z
|
2 |
| Radiation type |
Cu Kα |
| μ (mm−1) |
0.90 |
| Crystal size (mm) |
0.03 × 0.02 × 0.01 |
| |
| Data collection |
| Diffractometer |
Agilent Xcalibur, Ruby |
| Absorption correction |
Multi-scan (CrysAlis PRO; Agilent, 2014 ▸) |
|
T
min, T
max
|
0.818, 1.000 |
| No. of measured, independent and observed [I > 2σ(I)] reflections |
6484, 3458, 2408 |
|
R
int
|
0.023 |
| (sin θ/λ)max (Å−1) |
0.630 |
| |
| Refinement |
|
R[F
2 > 2σ(F
2)], wR(F
2), S
|
0.056, 0.174, 1.03 |
| No. of reflections |
3458 |
| No. of parameters |
240 |
| H-atom treatment |
H-atom parameters constrained |
| Δρmax, Δρmin (e Å−3) |
0.22, −0.18 |
