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	1.	Bound state potential energy surface construction: ab initio zero-point energies and vibrationally averaged rotational constants. [electronic resource] by Bettens, Ryan P A Producer: 20030314 In: Journal of the American Chemical Society vol. 125 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Modelling potential energy surfaces for small clusters using Shepard interpolation with Gaussian-form nodal functions. [electronic resource] by Wang, Haina Bettens, Ryan P A Producer: 20190221 In: Physical chemistry chemical physics : PCCP vol. 21 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Energy-Based Molecular Fragmentation Methods. [electronic resource] by Collins, Michael A Bettens, Ryan P A Producer: 20150826 In: Chemical reviews vol. 115 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Distributed Multipoles and Energies of Flexible Molecules. [electronic resource] by Le, Hai-Anh Bettens, Ryan P A Producer: 20151130 In: Journal of chemical theory and computation vol. 7 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Many-Body Basis Set Superposition Effect. [electronic resource] by Ouyang, John F Bettens, Ryan P A Producer: 20160310 In: Journal of chemical theory and computation vol. 11 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	First principles NMR calculations by fragmentation. [electronic resource] by Lee, Adrian M Bettens, Ryan P A Producer: 20070802 In: The journal of physical chemistry. A vol. 111 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Ab initio NMR chemical-shift calculations based on the combined fragmentation method. [electronic resource] by Tan, Hwee-Jia Bettens, Ryan P A Producer: 20131126 In: Physical chemistry chemical physics : PCCP vol. 15 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Modelling Water: A Lifetime Enigma. [electronic resource] by Ouyang, John F Bettens, Ryan P A Producer: 20151117 In: Chimia vol. 69 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	A new algorithm for molecular fragmentation in quantum chemical calculations. [electronic resource] by Bettens, Ryan P A Lee, Adrian M Producer: 20071128 In: The journal of physical chemistry. A vol. 110 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	When are Many-Body Effects Significant? [electronic resource] by Ouyang, John F Bettens, Ryan P A Producer: 20180129 In: Journal of chemical theory and computation vol. 12 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Comparing Vibrationally Averaged Nuclear Shielding Constants by Quantum Diffusion Monte Carlo and Second-Order Perturbation Theory. [electronic resource] by Ng, Yee-Hong Bettens, Ryan P A Producer: 20160708 In: The journal of physical chemistry. A vol. 120 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Approximating coupled cluster level vibrational frequencies with composite methods. [electronic resource] by Fan, Yanping Ho, Junming Bettens, Ryan P A Producer: 20070724 In: The journal of physical chemistry. A vol. 110 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	The conformers of hydroxyacetaldehyde. [electronic resource] by Fan, Yanping Leong, Lai Peng Bettens, Ryan P A Producer: 20070802 In: The journal of physical chemistry. A vol. 111 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	Accurately reproducing ab initio electrostatic potentials with multipoles and fragmentation. [electronic resource] by Le, Hai-Anh Lee, Adrian M Bettens, Ryan P A Producer: 20100301 In: The journal of physical chemistry. A vol. 113 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	15.	The combined fragmentation and systematic molecular fragmentation methods. [electronic resource] by Collins, Michael A Cvitkovic, Milan W Bettens, Ryan P A Producer: 20150623 In: Accounts of chemical research vol. 47 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	16.	Trouble with the Many-Body Expansion. [electronic resource] by Ouyang, John F Cvitkovic, Milan W Bettens, Ryan P A Producer: 20151222 In: Journal of chemical theory and computation vol. 10 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	17.	Combined Fragmentation Method: A Simple Method for Fragmentation of Large Molecules. [electronic resource] by Le, Hai-Anh Tan, Hwee-Jia Ouyang, John F Bettens, Ryan P A Producer: 20151125 In: Journal of chemical theory and computation vol. 8 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)