Investigation of Clopidogrel Bisulphate Form I
Martin
Vickers
14th October 2003
Experimental Data
Click image to access powder diffraction data (.spf format)
Chemical Name
alpha-(4,5,6,7-tetrahydrothieno[3,2-c]pyrid-5-yl)(2-chlorophenyl)methyl acetate
"hydrogen sulphate"
Chemical Formula
C16H17Cl N O2S · HSO4 |
|
Preparation and Instrumentation Parameters
- Stoe StadiP transmission (capillary) Powder Diffractometer
- Cu Kα1 X-ray radiation
- Pre-sample germanium monochromator
- 40kV/20mA generator power
- Linear Position Sensitive Detector 6° 2θ range
- Rotating 0.7mm sample capillary
- Uncrushed, unsieved sample
- NBS Silicon (111 reflection) calibration
- Data aquisition details:
- Date collected: 18/02/03
- File: ST0806.RAW
- ×2 ranges from 1 to 30° 2θ
- PSD step: 0.1°
- Count Time: 80 seconds per step
- Binning: 4 channels per point
- Data Step: 0.02°
Results
- Indexed using ITO12
- Refined lattice parameters by Lebail fit:
| Unit Cell Lengths (Å): |
|
a 12.624(1) |
b 15.308(1) |
c 10.432(1) |
|
| Unit Cell Angles (°): |
|
α 90 |
β 113.283(2) |
γ 90 |
| Unit Cell Volume (Ų): |
| 1852 |
- Z: 4
- System: Monoclinic
- Possible Space Group: P21
Reference
European Patent EP0281459B1