Triphenylbenzene experiments on ELDICO ED-1 brought our continuous R&D to a significant milestone: R values as low as 9% were achieved with a standard kinematical refinement from a single run.
Triphenylbenzene (C24H18) is a compound of interest found at the intersection of chemistry and physics applications. A versatile photoluminescent chemo-sensor with environmental and biological importance, it can assist with its polymeric forms to efficiently reduce low-concentration CO2 .
During one of the numerous experiments on ELDICO’s ED-1 and as part of our continuous fine-tuning of the device, we were happy to attain low R values, which signal that complementary quality to X-ray diffraction experiments is possible in nano-sized compounds while skipping the crystal growth stage.
Experimental setting
Data processing and refinement within established Apex (® Bruker) software package. Standard kinematical refinement without taking dynamic scattering into account. Data of one single phi-scan were used.
Crystal Parameters:
|
Chemical formula |
C24H18 |
|
Crystal system |
Orthorhombic P |
|
Space group |
Pna21 |
|
a, b, c (Å) |
7.60(4), 19.68(11), 11.25(6) |
|
Volume (Å3) |
1681(16) |
|
Z |
4 |
|
F(000) |
648 |
Refinement Details:
|
R1 (%) |
9.70 |
|
wR2 (%) |
28.05 |
|
GoF |
1.15 |
|
Rint (%) |
5.6 |
|
Resolution (Å) |
0.99 |
|
Completeness (%) |
63 |
|
Independent reflections |
1069 |
|
Δρmin, Δρmax |
-0.09, 0.09 |
‘For me this particular experiment was thrilling as I was able to see comparable data to the industry standard attained with X-rays - now on electrons. Not to forget that this is a significant step forward for a technique that can measure very, very small crystals without the hassle of growing large enough crystals’, said Gunther Steinfeld, experienced crystallographer and ELDICO’s founder.
