Experimental determination of absolute configuration frequently relies on techniques such as anomalous X-ray dispersion and vibrational circular dichroism.
The retrieved literature directly supports the claim. Paper [0] explicitly utilizes anomalous scattering (X-ray dispersion) to assign absolute configuration, while papers [1] and [3] discuss vibrational circular dichroism (VCD) as established and advanced tools for absolute configuration determination. No papers contradict the claim.