Investigation of Irbesartan
Martin
Vickers
25th January 2005
Experimental Data
Click image to access powder diffraction data (.spf format)
Chemical Name
2-n-butyl-4-spirocyclopentane-1-[2'-(tetrazol-5-yl)biphenyl-4-yl)
methyl]-2-imidazolin-5-one
Chemical Formula
C25H28N6O |
|
Preparation and Instrumentation Parameters
- Stoe StadiP transmission (capillary) Powder Diffractometer
- Cu Kα1 X-ray radiation
- Pre-sample germanium monochromator
- 40kV/30mA generator power
- Linear Position Sensitive Detector 6° 2θ range
- Rotating 0.5mm sample capillary
- Crushed but unsieved sample
- NBS Silicon (111 reflection) calibration
- Data aquisition details:
- Date collected: 14/12/04
- File: ST1217.RAW
- 3 to 30° 2θ
- PSD step: 0.1°
- Count Time: 60 seconds per step
- Binning: 4 channels per point
- Data Step: 0.02°
Results
- Indexed using Lzon
- Refined lattice parameters by Lebail fit:
| Unit Cell Lengths (Å): |
|
a 10.969(1) |
b 18.901(3) |
c 9.508(1) |
|
| Unit Cell Angles (°): |
|
α 90 |
β 98.267(7) |
γ 90 |
| Unit Cell Volume (Ų): |
| 1951 |
- Z: 4
- System: Monoclinic
- Possible Space Group: P2
Reference
European Patent number: EP1275391