This page was updated 12^th December 2008 to include a fuller range data set.

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  xH2O

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, sieved 100μm
• NBS Silicon (111 reflection) calibration
• Data aquisition details:
• Date collected: 11/12/08
• File: ST3384.RAW. Replaces ST2401
• ×2 ranges from 2 to 35° 2θ and summed
• PSD step: 0.1°
• Count Time: 100 seconds per step
• Binning: 4 channels per point
• Data Step: 0.02°

• Indexed using Kohl
• Refined lattice parameters by Lebail fit:

	Unit Cell Lengths (Å):		a 12.011(1)	b 20.525(1)	c 5.887(1)
	Unit Cell Angles (°):		α 90	β 99.404(3)	γ 90
	Unit Cell Volume (Ų):		1432

• Z: 4
• System: Monoclinic
• Possible Space Group: P2

Reference

Thermochemical Analysis of Venlafaxine Hydrochloride Polymorphs 1-5. S. Roy et al. Cryst. Growth Des. 2005. 5 2268

Patent number (WIPO): WO0236542