Extrapolation of finite cluster and crystal-orbital calculations on trans-polyacetylene
Sequences of total energies of trans‐polyacetylene were obtained by either finite cluster or crystal‐orbital calculations. Several different extrapolation methods were employed to improve the convergence of these two sequences. The properties of the extrapolation algorithms are discussed with emphas...
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Veröffentlicht in: | International journal of quantum chemistry 1990-07, Vol.38 (1), p.55-74 |
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creator | Weniger, E. J. Liegener, C.-M. |
description | Sequences of total energies of trans‐polyacetylene were obtained by either finite cluster or crystal‐orbital calculations. Several different extrapolation methods were employed to improve the convergence of these two sequences. The properties of the extrapolation algorithms are discussed with emphasis on efficiency and reliability for short strings of physical input data. Four decimal digits were gained by extrapolation in the case of the finite cluster energies, but, at most, 2 decimal digits in the case of the crystal‐orbital energies. The extrapolation of the finite cluster energies gave results that are almost as good as the results produced by the extrapolation of the crystal‐orbital energies, and that are better than the unextrapolated crystal‐orbital energies. |
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J. ; Liegener, C.-M.</creator><creatorcontrib>Weniger, E. J. ; Liegener, C.-M.</creatorcontrib><description>Sequences of total energies of trans‐polyacetylene were obtained by either finite cluster or crystal‐orbital calculations. Several different extrapolation methods were employed to improve the convergence of these two sequences. The properties of the extrapolation algorithms are discussed with emphasis on efficiency and reliability for short strings of physical input data. Four decimal digits were gained by extrapolation in the case of the finite cluster energies, but, at most, 2 decimal digits in the case of the crystal‐orbital energies. The extrapolation of the finite cluster energies gave results that are almost as good as the results produced by the extrapolation of the crystal‐orbital energies, and that are better than the unextrapolated crystal‐orbital energies.</description><identifier>ISSN: 0020-7608</identifier><identifier>EISSN: 1097-461X</identifier><identifier>DOI: 10.1002/qua.560380106</identifier><identifier>CODEN: IJQCB2</identifier><language>eng</language><publisher>New York: John Wiley & Sons, Inc</publisher><subject>Applied sciences ; Exact sciences and technology ; Organic polymers ; Physicochemistry of polymers ; Properties and characterization</subject><ispartof>International journal of quantum chemistry, 1990-07, Vol.38 (1), p.55-74</ispartof><rights>Copyright © 1990 John Wiley & Sons, Inc.</rights><rights>1991 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3536-285a115e2ac597b2c834321108306036fb346fd493646fd46fac70267e3a7c1c3</citedby><cites>FETCH-LOGICAL-c3536-285a115e2ac597b2c834321108306036fb346fd493646fd46fac70267e3a7c1c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fqua.560380106$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fqua.560380106$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19667265$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Weniger, E. J.</creatorcontrib><creatorcontrib>Liegener, C.-M.</creatorcontrib><title>Extrapolation of finite cluster and crystal-orbital calculations on trans-polyacetylene</title><title>International journal of quantum chemistry</title><addtitle>Int. J. Quantum Chem</addtitle><description>Sequences of total energies of trans‐polyacetylene were obtained by either finite cluster or crystal‐orbital calculations. Several different extrapolation methods were employed to improve the convergence of these two sequences. The properties of the extrapolation algorithms are discussed with emphasis on efficiency and reliability for short strings of physical input data. Four decimal digits were gained by extrapolation in the case of the finite cluster energies, but, at most, 2 decimal digits in the case of the crystal‐orbital energies. The extrapolation of the finite cluster energies gave results that are almost as good as the results produced by the extrapolation of the crystal‐orbital energies, and that are better than the unextrapolated crystal‐orbital energies.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Properties and characterization</subject><issn>0020-7608</issn><issn>1097-461X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNp9ULFOwzAUtBBIlMLInoXR5TlOnpOxKqUgVaBKlLBZrmtLgZAUOxXN32NIVZiYbnh39-6OkEsGIwYQX39s1ShF4BkwwCMyYJALmiB7OSaDcAcqELJTcub9KwAgRzEgxXTXOrVpKtWWTR01NrJlXbYm0tXWt8ZFql5H2nW-VRVt3KoMGGlV6W2v8FFQBYfa02DSKW3arjK1OScnVlXeXOxxSJa306fJHZ0_zu4n4znVPOVI4yxVjKUmVjrNxSrWGU94zBhkHEITtCueoF0nOccfRKu0gBiF4UpopvmQ0N5Xu8Z7Z6zcuPJduU4ykN-ryLCKPKwS-Fc9f6N8qGFDcl36X1GOKGJMA0_0vM-yMt3_pnKxHP_9sE9Uhv12B6VybxIFF6ksHmbyuciYWNwUcsK_AC6AgsI</recordid><startdate>199007</startdate><enddate>199007</enddate><creator>Weniger, E. J.</creator><creator>Liegener, C.-M.</creator><general>John Wiley & Sons, Inc</general><general>John Wiley & Sons</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>199007</creationdate><title>Extrapolation of finite cluster and crystal-orbital calculations on trans-polyacetylene</title><author>Weniger, E. J. ; Liegener, C.-M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3536-285a115e2ac597b2c834321108306036fb346fd493646fd46fac70267e3a7c1c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>Properties and characterization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Weniger, E. J.</creatorcontrib><creatorcontrib>Liegener, C.-M.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>International journal of quantum chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Weniger, E. J.</au><au>Liegener, C.-M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extrapolation of finite cluster and crystal-orbital calculations on trans-polyacetylene</atitle><jtitle>International journal of quantum chemistry</jtitle><addtitle>Int. J. Quantum Chem</addtitle><date>1990-07</date><risdate>1990</risdate><volume>38</volume><issue>1</issue><spage>55</spage><epage>74</epage><pages>55-74</pages><issn>0020-7608</issn><eissn>1097-461X</eissn><coden>IJQCB2</coden><abstract>Sequences of total energies of trans‐polyacetylene were obtained by either finite cluster or crystal‐orbital calculations. Several different extrapolation methods were employed to improve the convergence of these two sequences. The properties of the extrapolation algorithms are discussed with emphasis on efficiency and reliability for short strings of physical input data. Four decimal digits were gained by extrapolation in the case of the finite cluster energies, but, at most, 2 decimal digits in the case of the crystal‐orbital energies. The extrapolation of the finite cluster energies gave results that are almost as good as the results produced by the extrapolation of the crystal‐orbital energies, and that are better than the unextrapolated crystal‐orbital energies.</abstract><cop>New York</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/qua.560380106</doi><tpages>20</tpages></addata></record> |
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subjects | Applied sciences Exact sciences and technology Organic polymers Physicochemistry of polymers Properties and characterization |
title | Extrapolation of finite cluster and crystal-orbital calculations on trans-polyacetylene |
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