Temperature-Dependent Phase Transition Studies Of Multicomponent Crystals Of Hexamethylenetetramine And Isonicotinamide
In this research, thirty-one multi-component crystals of hexamethylenetetramine and isonicotinamide were successfully prepared and seven of them undergo temperature-dependent phase transitions, which were investigated by using variable-temperature single-crystal X-ray diffraction analysis. These se...
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| Format: | Thesis |
| Language: | English |
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2018
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| Online Access: | http://eprints.usm.my/44166/ http://eprints.usm.my/44166/1/CHIA%20TZE%20SHYANG.pdf |
| _version_ | 1848879989118730240 |
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| author | Chia, Tze Shyang |
| author_facet | Chia, Tze Shyang |
| author_sort | Chia, Tze Shyang |
| building | USM Institutional Repository |
| collection | Online Access |
| description | In this research, thirty-one multi-component crystals of
hexamethylenetetramine and isonicotinamide were successfully prepared and seven of them undergo temperature-dependent phase transitions, which were investigated by using variable-temperature single-crystal X-ray diffraction analysis. These seven multi-component crystals are hexamethylenetetramine‒2-methylbenzoic acid (1/2) (monoclinic P21/c ↔ orthorhombic Pccn, Tc = 164.5 (5) K), hexamethylenetetramine‒benzoic acid (1/2) (monoclinic Pn ↔ orthorhombic Fmm2, Tc = 257.5 (5) K), hexamethylenetetramine‒4-methylbenzoic acid (1/2) (monoclinic P21/n ↔ orthorhombic Cmcm, Tc = 265.5 (5) K), hexamethylenetetramine‒succinic acid (1/1) (monoclinic P21/n ↔ monoclinic P21/c, Tc = 219 (1) K). |
| first_indexed | 2025-11-15T17:55:59Z |
| format | Thesis |
| id | usm-44166 |
| institution | Universiti Sains Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T17:55:59Z |
| publishDate | 2018 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | usm-441662019-04-23T01:01:21Z http://eprints.usm.my/44166/ Temperature-Dependent Phase Transition Studies Of Multicomponent Crystals Of Hexamethylenetetramine And Isonicotinamide Chia, Tze Shyang QC1 Physics (General) In this research, thirty-one multi-component crystals of hexamethylenetetramine and isonicotinamide were successfully prepared and seven of them undergo temperature-dependent phase transitions, which were investigated by using variable-temperature single-crystal X-ray diffraction analysis. These seven multi-component crystals are hexamethylenetetramine‒2-methylbenzoic acid (1/2) (monoclinic P21/c ↔ orthorhombic Pccn, Tc = 164.5 (5) K), hexamethylenetetramine‒benzoic acid (1/2) (monoclinic Pn ↔ orthorhombic Fmm2, Tc = 257.5 (5) K), hexamethylenetetramine‒4-methylbenzoic acid (1/2) (monoclinic P21/n ↔ orthorhombic Cmcm, Tc = 265.5 (5) K), hexamethylenetetramine‒succinic acid (1/1) (monoclinic P21/n ↔ monoclinic P21/c, Tc = 219 (1) K). 2018-07 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/44166/1/CHIA%20TZE%20SHYANG.pdf Chia, Tze Shyang (2018) Temperature-Dependent Phase Transition Studies Of Multicomponent Crystals Of Hexamethylenetetramine And Isonicotinamide. PhD thesis, Universiti Sains Malaysia. |
| spellingShingle | QC1 Physics (General) Chia, Tze Shyang Temperature-Dependent Phase Transition Studies Of Multicomponent Crystals Of Hexamethylenetetramine And Isonicotinamide |
| title | Temperature-Dependent Phase Transition Studies Of Multicomponent Crystals Of Hexamethylenetetramine And Isonicotinamide |
| title_full | Temperature-Dependent Phase Transition Studies Of Multicomponent Crystals Of Hexamethylenetetramine And Isonicotinamide |
| title_fullStr | Temperature-Dependent Phase Transition Studies Of Multicomponent Crystals Of Hexamethylenetetramine And Isonicotinamide |
| title_full_unstemmed | Temperature-Dependent Phase Transition Studies Of Multicomponent Crystals Of Hexamethylenetetramine And Isonicotinamide |
| title_short | Temperature-Dependent Phase Transition Studies Of Multicomponent Crystals Of Hexamethylenetetramine And Isonicotinamide |
| title_sort | temperature-dependent phase transition studies of multicomponent crystals of hexamethylenetetramine and isonicotinamide |
| topic | QC1 Physics (General) |
| url | http://eprints.usm.my/44166/ http://eprints.usm.my/44166/1/CHIA%20TZE%20SHYANG.pdf |