Experimental Data

Click image to access powder diffraction data (.spf format)

Chemical Name

1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-tetrahydrofuroyl)piperazine hydrochloride dihydrate

Chemical Formula

C19H25N5O4 · HCl 2H2O

Preparation and Instrumentation Parameters

• Stoe StadiP transmission (capillary) Powder Diffractometer
• Cu Kα1 radiation
• Pre-sample germanium monochromator
• 40kV/30mA generator power
• Linear Position Sensitive Detector 6° 2θ range
• Rotating 0.5mm sample capillary
• uncrushed, unsieved sample
• NBS Silicon (111 reflection) calibration
• Data aquisition details:
• Date collected: 22/10/03
• File: ST0864.RAW
• ×2 ranges from 2 to 40° 2θ
• PSD step: 0.1°
• Count Time: 80 seconds per step
• Binning: 4 channels per point
• Data Step: 0.02°

• Indexed using ITO12
• Refined lattice parameters by Lebail fit:

	Unit Cell Lengths (Å):		a 10.893(1)	b 11.845(1)	c 10.005(1)
	Unit Cell Angles (°):		α 108.232(3)	β 113.451(2)	γ 89.442(3)
	Unit Cell Volume (Ų):		1115

• Z: 2
• System: Triclinic
• Space Group: P1 or P-1

Reference

Patent number: US5294615