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f" href="../thorium/isotopes.html">Thorium ☢</a></li> <li class="pure-menu-item f"><a class="pure-menu-link f" href="../thulium/isotopes.html">Thulium</a></li> <li class="pure-menu-item p"><a class="pure-menu-link p" href="../tin/isotopes.html">Tin</a></li> <li class="pure-menu-item d"><a class="pure-menu-link d" href="../titanium/isotopes.html">Titanium</a></li> <li class="pure-menu-item d"><a class="pure-menu-link d" href="../tungsten/isotopes.html">Tungsten</a></li> <li class="pure-menu-item f"><a class="pure-menu-link f" href="../uranium/isotopes.html">Uranium ☢</a></li> <li class="pure-menu-item d"><a class="pure-menu-link d" href="../vanadium/isotopes.html">Vanadium</a></li> <li class="pure-menu-item p"><a class="pure-menu-link p" href="../xenon/isotopes.html">Xenon</a></li> <li class="pure-menu-item f"><a class="pure-menu-link f" href="../ytterbium/isotopes.html">Ytterbium</a></li> <li class="pure-menu-item d"><a class="pure-menu-link d" href="../yttrium/isotopes.html">Yttrium</a></li> <li class="pure-menu-item d"><a class="pure-menu-link d" href="../zinc/isotopes.html">Zinc</a></li> <li class="pure-menu-item d"><a class="pure-menu-link d" href="../zirconium/isotopes.html">Zirconium</a></li> </ul> </div> </div>  <div class="pure-g"> <div class="pure-u-1"> <div class="pure-menu pure-menu-open pure-menu-horizontal centre" role="navigation" style="background: #000 url(../_media/elements/discharge/Ho.png) repeat-y center; background-size:contain;"> <span><a class="pure-menu-heading" href="https://winter.group.shef.ac.uk/webelements/"><img height="30" src="../_media/icons/logo_60.png" alt="WebElements logo"></a> <a class="white" href="./">Holmium - <sub>67</sub>Ho</a>  <audio id="myAudio_f"> <source src="../_media/elements/snds_f/Ho.mp3" type="audio/mpeg">Your user agent does not support the HTML5 Audio element. </audio> <button class="pure-button f_button" style=" display: inline;" type="button" onclick="audf_play_pause()"> 🔊  </button> <script> function audf_play_pause() { var myAudiof = document.getElementById("myAudio_f"); if (myAudiof.paused) { myAudiof.play(); } else { myAudiof.pause(); }} </script></span> </div> </div> </div> <div id="main">  <div class="pure-u-1 pure-u-sm-1-1"> <div class="pure-menu pure-menu-horizontal pure-menu-scrollable"> <a href="#" class="pure-menu-link pure-menu-heading">▸▸</a> <ul class="pure-menu-list"> <li class="pure-menu-item">🇬🇧 Holmium</li> <li class="pure-menu-item">🇺🇦 Голъмій</li> <li class="pure-menu-item">🇨🇳 鈥</li> <li class="pure-menu-item">🇳🇱 Holmium</li> <li class="pure-menu-item">🇫🇷 Holmium</li> <li class="pure-menu-item">🇩🇪 Holmium</li> <li class="pure-menu-item">🇮🇱 הולמיום</li> <li class="pure-menu-item">🇮🇹 Olmio</li> <li class="pure-menu-item">🇯🇵 ホルミウム</li> <li class="pure-menu-item">🇵🇹 Hólmio</li> <li class="pure-menu-item">🇪🇸 Holmio</li> <li class="pure-menu-item">🇸🇪 Holmium</li> <li class="pure-menu-item">🇷🇺 Гольмий</li> </ul> </div> </div> <div class="pure-g"> <div class="pure-u-1 pure-u-sm-1-1"> <div class="google_navbar_positioning"> <form action="https://www.google.com" id="cse-search-box"> <div> <input type="hidden" name="cx" value="partner-pub-9334432533380510:6223510783"> <input type="hidden" name="ie" value="UTF-8"> <input type="text" name="q" size="28"> <input type="submit" name="sa" value="Search"> </div> </form> <script> </script> </div> </div> </div> <main> <div class="pure-g"> <div class="pure-u-1 pure-u-sm-1-1"> <h1 class="f">Holmium - <sub><small>67</small></sub>Ho: isotope data</h1> <div class="pure-menu pure-menu-horizontal pure-menu-scrollable"> <ul class="pure-menu-list z_menu"> <li class="pure-menu-item f"><a href="../holmium/" class="pure-menu-link">▸▸ Ho Essentials</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/physics.html">Physical properties</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/atoms.html">Electron shell data</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/atom_sizes.html">Atom sizes</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/electronegativity.html">Electronegativity</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/isotopes.html" >Isotopes and NMR</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/crystal_structure.html">Crystal structure</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/thermochemistry.html">Thermochemistry</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/history.html">History</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/uses.html">Uses</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/geology.html">Geology</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/biology.html">Biology</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/compounds.html">Binary compounds</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/compound_properties.html" >Compound properties</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/chemistry.html">Element reactions</a></li> <li class="pure-menu-item f"><a class="pure-menu-link" href="../holmium/contents.html">List all Ho properties</a></li> </ul> </div> </div> </div> <h2 class="f">Naturally occurring isotopes</h2> <div class="table-responsive"> <table class="pure-table"> <caption>This table shows information about <a href="../periodicity/isotopes/">naturally occuring isotopes</a>, their <a href="../periodicity/isotopes/">atomic masses</a>, their <a href="../periodicity/isotopes/">natural abundances</a>, their <a href="../periodicity/isotopes_nuclear_spin/">nuclear spins</a>, and their <a href="../periodicity/isotopes_nuc_magnetic_moment/">magnetic moments</a>. Further data for radioisotopes (radioactive isotopes) of holmium are listed (including any which occur naturally) below. </caption> <thead> <tr> <th>Isotope</th> <th>Mass / Da</th> <th>Natural abundance (atom %)</th> <th>Nuclear spin (I)</th> <th>Magnetic moment (μ/μ<sub>N</sub>)</th> </tr> </thead> <tbody> <tr> <td><sup>165</sup>Ho</td> <td>164.930319 (4)</td> <td>100</td> <td><sup>7</sup>/<sub>2</sub></td> <td>4.173</td> </tr></tbody></table> </div> <div><figure><img class="pure-img" src="../_media/elements/isotopes/isotope_abundance_Ho.png" alt="Isotope abundances of holmium" /><figcaption><strong>Isotope abundances of holmium.</strong> In the above, the most intense ion is set to 100% since this corresponds best to the output from a mass spectrometer. This is not to be confused with the relative percentage isotope abundances which <strong>totals</strong> 100% for all the naturally occurring isotopes.</figcaption> </figure> </div> <div class="pure-g"> <div class="pure-u-1 pure-u-sm-1-1"> <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-9334432533380510" data-ad-slot="4479092381" data-ad-format="auto"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> </div> <h2 class="f">Radiosotope data</h2> <div class="table-responsive"> <table class="pure-table"> <caption>Further data for naturally occuring isotopes of holmium are listed above. This table gives information about some <a href="../periodicity/isotopes_radioactive/">radiosotopes</a> of holmium, their <a href="../periodicity/isotopes_radioactive/">masses</a>, their <a href="../periodicity/isotopes_radioactive/">half-lives</a>, their <a href="../periodicity/isotopes_radioactive/">modes of decay</a>, their <a href="../periodicity/isotopes_radioactive/">nuclear spins</a>, and their <a href="../periodicity/isotopes_radioactive/">nuclear magnetic moments</a>.</caption> <thead> <tr> <th>Isotope</th> <th>Mass / Da</th> <th>Half-life</th> <th>Mode of decay</th> <th>Nuclear spin</th> <th>Nuclear magnetic moment</th> </tr> </thead> <tbody> <tr> <td><sup>161</sup>Ho</td> <td>160.927852</td> <td>2.48 h</td> <td>EC to <sup>161</sup>Dy</td> <td><sup>7</sup>/<sub>2</sub></td> <td>4.25</td> </tr><tr> <td><sup>162</sup>Ho</td> <td>161.929092</td> <td>15 m</td> <td>EC to <sup>161</sup>Dy</td> <td>1</td> <td></td> </tr><tr> <td><sup>163</sup>Ho</td> <td>162.928730</td> <td>4570 y</td> <td>EC to <sup>161</sup>Dy</td> <td><sup>7</sup>/<sub>2</sub></td> <td>4.23</td> </tr><tr> <td><sup>164</sup>Ho</td> <td>163.930231</td> <td>29 m</td> <td>EC to <sup>161</sup>Dy; β<sup>-</sup> to <sup>164</sup>Er</td> <td>1</td> <td></td> </tr><tr> <td><sup>166</sup>Ho</td> <td>165.932281</td> <td>1.117 d</td> <td>β<sup>-</sup> to <sup>166</sup>Er</td> <td>0</td> <td></td> </tr><tr> <td><sup>167</sup>Ho</td> <td>166.933127</td> <td>3.1 h</td> <td>β<sup>-</sup> to <sup>167</sup>Er</td> <td><sup>7</sup>/<sub>2</sub></td> <td></td> </tr></tbody></table> </div> <h2 class="f">References</h2> <ol> <li>Naturally occurring isotope abundances: Commission on Atomic Weights and Isotopic Abundances report for the International Union of Pure and Applied Chemistry in <em>Isotopic Compositions of the Elements 1989</em>, Pure and Applied Chemistry, 1998, <strong>70</strong>, 217. [Copyright 1998 IUPAC]</li> <li>For further information about radioisotopes see Jonghwa Chang's (Korea Atomic Energy Research Institute) <a href="http://atom.kaeri.re.kr/">Table of the Nuclides</a></li> <li>Masses, nuclear spins, and magnetic moments: I. Mills, T. Cvitas, K. Homann, N. Kallay, and K. Kuchitsu in <em>Quantities, Units and Symbols in Physical Chemistry</em>, Blackwell Scientific Publications, Oxford, UK, 1988. [Copyright 1988 IUPAC]</li> </ol> <h2 class="f"><a id="essentials"></a>NMR Properties of holmium</h2> <p class="p_first"><strong>Common reference compound:</strong> .</p> <div class="table-responsive"> <table class="pure-table pure-table-striped"> <caption>Table of NMR-active nucleus propeties of holmium</caption> <thead> <tr> <td> </td> <th>Isotope 1</th> <th>Isotope 2</th> <th>Isotope 3</th> </tr> </thead> <tbody> <tr> <td><a href="../periodicity/nmr/">Isotope</a></td> <td><sup>165</sup>Ho</td> <td></td> <td></td> </tr> <tr> <td><a href="../periodicity/nmr/">Natural abundance </a>/%</td> <td>100</td> <td></td> <td></td> </tr> <tr> <td><a href="../periodicity/nmr/">Spin</a> (I)</td> <td><sup>7</sup>/<sub>2</sub></td> <td></td> <td></td> </tr> <tr> <td><a href="../periodicity/nmr/">Frequency</a> relative to <sup>1</sup>H = 100 (MHz)</td> <td>about 21.34</td> <td></td> <td></td> </tr> <tr> <td><a href="../periodicity/nmr/">Receptivity</a>, D<sup>P</sup>, relative to <sup>1</sup>H = 1.00</td> <td>-</td> <td></td> <td></td> </tr> <tr> <td><a href="../periodicity/nmr/">Receptivity</a>, D<sup>C</sup>, relative to <sup>13</sup>C = 1.00</td> <td>-</td> <td></td> <td></td> </tr> <tr> <td><a href="../periodicity/nmr/">Magnetogyric ratio</a>, γ (10<sup>7</sup> rad T<sup>‑1</sup> s<sup>-1</sup>)</td> <td>5.710</td> <td></td> <td></td> </tr> <tr> <td><a href="../periodicity/nmr/">Magnetic moment</a>, μ (μ<sub>N</sub>)</td> <td>4.732</td> <td></td> <td></td> </tr> <tr> <td><a href="../periodicity/nmr/">Nuclear quadrupole moment</a>, Q/millibarn</td> <td>+3580(20)</td> <td></td> <td></td> </tr> <tr> <td><a href="../periodicity/nmr/">Line width factor</a>, 10<sup>56</sup> l (m<sup>4</sup>)</td> <td></td> <td></td> <td></td> </tr> </tbody> </table> </div> <h2 class="f">References</h2> <ol> <li>R.K. Harris in <em>Encyclopedia of Nuclear Magnetic Resonance</em>, D.M. Granty and R.K. Harris, (eds.), vol. 5, John Wiley & Sons, Chichester, UK, 1996. I am grateful to <a href="http://www.dur.ac.uk/chemistry/staff/profile/?id=184">Professor Robin Harris</a> (University of Durham, UK) who provided much of the NMR data, which are copyright 1996 IUPAC, adapted from his contribution contained within this reference.</li> <li>J. Mason in <em>Multinuclear NMR</em>, Plenum Press, New York, USA, 1987. Where given, data for certain radioactive nuclei are from this reference.</li> <li>P. Pyykkö, <em>Mol. Phys.</em>, 2008, <strong>106</strong>, 1965-1974.</li> <li>P. Pyykkö, <em>Mol. Phys.</em>, 2001, <strong>99</strong>, 1617-1629.</li> <li>P. Pyykkö, <em>Z. Naturforsch.</em>, 1992, <strong>47a</strong>, 189. I am grateful to <a href="http://www.chem.helsinki.fi/~pyykko/">Professor Pekka Pyykkö</a> (University of Helsinki, Finland) who provided the nuclear quadrupole moment data in this and the following two references.</li> <li>D.R. Lide, (ed.), <em><a href="http://www.amazon.com/exec/obidos/ASIN/0849304814/webelements">CRC Handbook of Chemistry and Physics 1999-2000 : A Ready-Reference Book of Chemical and Physical Data (CRC Handbook of Chemistry and Physics</a></em>, CRC Press, Boca Raton, Florida, USA, 79th edition, 1998.</li> <li>P. 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