High-field 2D exchange spectroscopy in rotating solids

G. S. Harbison; D. P. Raleigh; J. Herzfeld; R. G. Griffin

doi:10.1016/0022-2364(85)90352-X

High-field 2D exchange spectroscopy in rotating solids

G. S. Harbison
, D. P. Raleigh
, J. Herzfeld
, R. G. Griffin

Chemistry

Massachusetts Institute of Technology

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Methods for studying chemical exchange in solid samples are discussed and a new two-dimensional magic angle sampling spinning experiment is introduced. The new experiment is derived from the basic two-dimensional experiment used in solution spectroscopy but it employs chemical-shift scaling during t₁ to ensure isotropic evolution. Thus, one dimension contains isotropic shifts while the second contains isotropic plus anisotropic. Chemical exchange between inequivalent spins manifests itself by cross peaks. The new method is used to study slow exchange in three different compounds containing aromatic rings which undergo twofold flips.

Original language	English
Pages (from-to)	284-295
Number of pages	12
Journal	Journal of Magnetic Resonance (1969)
Volume	64
Issue number	2
DOIs	https://doi.org/10.1016/0022-2364(85)90352-X
State	Published - Sep 1985

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title = "High-field 2D exchange spectroscopy in rotating solids",

abstract = "Methods for studying chemical exchange in solid samples are discussed and a new two-dimensional magic angle sampling spinning experiment is introduced. The new experiment is derived from the basic two-dimensional experiment used in solution spectroscopy but it employs chemical-shift scaling during t1 to ensure isotropic evolution. Thus, one dimension contains isotropic shifts while the second contains isotropic plus anisotropic. Chemical exchange between inequivalent spins manifests itself by cross peaks. The new method is used to study slow exchange in three different compounds containing aromatic rings which undergo twofold flips.",

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N2 - Methods for studying chemical exchange in solid samples are discussed and a new two-dimensional magic angle sampling spinning experiment is introduced. The new experiment is derived from the basic two-dimensional experiment used in solution spectroscopy but it employs chemical-shift scaling during t1 to ensure isotropic evolution. Thus, one dimension contains isotropic shifts while the second contains isotropic plus anisotropic. Chemical exchange between inequivalent spins manifests itself by cross peaks. The new method is used to study slow exchange in three different compounds containing aromatic rings which undergo twofold flips.

AB - Methods for studying chemical exchange in solid samples are discussed and a new two-dimensional magic angle sampling spinning experiment is introduced. The new experiment is derived from the basic two-dimensional experiment used in solution spectroscopy but it employs chemical-shift scaling during t1 to ensure isotropic evolution. Thus, one dimension contains isotropic shifts while the second contains isotropic plus anisotropic. Chemical exchange between inequivalent spins manifests itself by cross peaks. The new method is used to study slow exchange in three different compounds containing aromatic rings which undergo twofold flips.

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High-field 2D exchange spectroscopy in rotating solids

Abstract

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