DFT and experimental studies of the structure and vibrational spectra of curcumin TM Kolev, EA Velcheva, BA Stamboliyska, M Spiteller International Journal of Quantum Chemistry 102 (6), 1069-1079, 2005 | 550 | 2005 |
Self-assembly of hydrogensquarates: crystal structures and properties BB Koleva, T Kolev, RW Seidel, M Spiteller, H Mayer-Figge, WS Sheldrick The Journal of Physical Chemistry A 113 (13), 3088-3095, 2009 | 66 | 2009 |
On the origin of the color in the solid state. Crystal structure and optical and magnetic properties of 4-cyanopyridinium hydrogensquarate monohydrate BB Koleva, T Kolev, RW Seidel, H Mayer-Figge, M Spiteller, WS Sheldrick The Journal of Physical Chemistry A 112 (13), 2899-2905, 2008 | 55 | 2008 |
Crystalline complexes involving amino acids. I. L-argininium hydrogen squarate O Angelova, V Velikova, T Kolev, V Radomirska Acta Crystallographica Section C: Crystal Structure Communications 52 (12 …, 1996 | 54 | 1996 |
Spectroscopic and structural elucidation of amino acid derivatives and small peptides: experimental and theoretical tools T Kolev, M Spiteller, B Koleva Amino Acids 38, 45-50, 2010 | 53 | 2010 |
Solid‐state IR–LD spectroscopic and theoretical analysis of glycine‐containing peptides and their hydrochlorides BB Ivanova, T Kolev, SY Zareva Biopolymers: Original Research on Biomolecules 82 (6), 587-596, 2006 | 52 | 2006 |
Vibrational spectra and structure of benzil and its 18O-and d10-labelled derivatives: A quantum chemical and experimental study TM Kolev, BA Stamboliyska Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 58 (14 …, 2002 | 50 | 2002 |
Nonlinear optical properties of pyridinium-betaines of squaric acid: Experimental and theoretical study TM Kolev, DY Yancheva, BA Stamboliyska, MD Dimitrov, R Wortmann Chemical Physics 348 (1-3), 45-52, 2008 | 45 | 2008 |
Vibrational spectra and structure of benzophenone and its 18O and d10 labelled derivatives: an ab initio and experimental study TM Kolev, BA Stamboliyska Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 56 (1 …, 2000 | 43 | 2000 |
2-{3-[2-(4-Hydroxyphenyl) vinyl]-5, 5-dimethylcyclohex-2-en-1-ylidene} malononitrile T Kolev, Z Glavcheva, D Yancheva, M Schürmann, DC Kleb, H Preut, ... Acta Crystallographica Section E: Structure Reports Online 57 (6), o561-o562, 2001 | 42 | 2001 |
Synthesis and spectral and structural elucidation of some pyridinium betaines of squaric acid: potential materials for nonlinear optical applications TM Kolev, DY Yancheva, SI Stoyanov Advanced Functional Materials 14 (8), 799-805, 2004 | 41 | 2004 |
Linearly polarized IR spectroscopy: theory and applications for structural analysis B Ivanova, T Kolev CRC Press, 2011 | 39 | 2011 |
Solid‐state IR–LD spectroscopic and theoretical analysis of arginine‐containing peptides T Kolev Biopolymers: Original Research on Biomolecules 83 (1), 39-45, 2006 | 39 | 2006 |
Linear polarized IR-spectroscopy of partial oriented solids as a colloid suspension in nematic liquid crystal—new tool for structural elucidation of the chemical compounds BB Koleva, T Kolev, V Simeonov, T Spassov, M Spiteller J Inclus Prenome. doi 10, 2008 | 37 | 2008 |
New aspects on the origin of color in the solid state. Coherently shifting of the protons in violurate crystals T Kolev, BB Koleva, RW Seidel, M Spiteller, WS Sheldrick Crystal Growth and Design 9 (8), 3348-3352, 2009 | 36 | 2009 |
The crystal structure and optical properties of 1-methyl-4-[2-(4-hydroxyphenyl) ethenyl] pyridinium dihydrogenphosphate: new aspects on crystallographic disorder and its effect … T Kolev, BB Koleva, M Spiteller, H Mayer-Figge, WS Sheldrick Dyes and Pigments 79 (1), 7-13, 2008 | 35 | 2008 |
Epoxidation of alkenes in the presence of molybdenum–squarate complexes as novel catalysts MG Topuzova, SV Kotov, TM Kolev Applied Catalysis A: General 281 (1-2), 157-166, 2005 | 34 | 2005 |
New structural motifs and properties of squaric acid anions in the presence of the l-lysinium counterion T Kolev, H Mayer-Figge, RW Seidel, WS Sheldrick, M Spiteller, BB Koleva Journal of Molecular Structure 919 (1-3), 246-254, 2009 | 33 | 2009 |
Determination of cephalosporins in solid binary mixtures by polarized IR-and Raman spectroscopy BB Koleva, TM Kolev, M Spiteller Journal of pharmaceutical and biomedical analysis 48 (1), 201-204, 2008 | 32 | 2008 |
Structure and nonlinear electrical properties of squaric acid derivatives: a theoretical study of the conformation and deprotonation effects M Spassova, T Kolev, I Kanev, D Jacquemin, B Champagne Journal of Molecular Structure: THEOCHEM 528 (1-3), 151-159, 2000 | 31 | 2000 |