Investigation of Venlafaxine Hydrochloride
(Form II or Form C)
Martin
Vickers
15th October 2003
Experimental Data
Click image to access powder diffraction data (.spf format)
Chemical Name
1-[(2-dimethylamino)-1-(4-methoxyphenyl)ethyl]cyclohexanol hydrochloride
Chemical Formula
C17H27NO2 · HCl |
 |
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
- Sieved, uncrushed
- NBS Silicon (111 reflection) calibration
- Data aquisition details:
- Date collected:
- File: ST0838.RAW
- ×1 range from 2 to 40° 2θ (1st range used only)
- PSD step: 0.1°
- Count Time: 120 seconds per step
- Binning: 4 channels per point
- Data Step: 0.02°
Results
- Indexed using TREOR90
- Refined lattice parameters by Lebail fit:
| Unit Cell Lengths (Å): |
|
a 5.799(1) |
b 26.095(1) |
c 12.081(1) |
|
| Unit Cell Angles (°): |
|
α 90 |
β 107.393(2) |
γ 90 |
| Unit Cell Volume (Ų): |
| 1744 |
- Z: 4
- System: Monoclinic
- Possible Space Group: P21/c
Reference
Patent numbers (WIPO): WO0246140 and WO0236542