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Conjugation of a double bond with a carbonyl group perturbs the carbon resonances of …

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B0 in T : ν in MHz für 1H : ΔE in J für 1H : N; 2 /N; 1; für ; 1; H ; ν in MHz für : 13; C ; ΔE in J für ; 13; C ; N: 2 /N; 1; für ; 13; C ; 5,88 ; 9,41 . Oxygen Containing Compounds (Except -C(=O)-) VIII.

type of proton type of compound chemical shift range, ppm RC H 3 1˚ aliphatic 0.9 R 2 C H 2 2˚ aliphatic 1.3 R 3 C H 3˚ aliphatic 1.5 C=C– H vinylic 4.6–5.9 C=C– H vinylic, conjugated 5.5–7.5 C! This is a standard reference point with the signal set exactly at 0 ppm and you can ignore it when analyzing an NMR spectrum. 0 xref EV��h��b5[M�����e>Ȉ ��+�����==�d�K����?u�9v[���-�fE��� ;��b 0000002938 00000 n h�ԗmO�8�������H�J�P�X��n�C|Ȗ"� j�'��ߌ�@\�6��ӝ�*c�㗙�3��+��XI8�*�4j� 4"('�š��8P;F��(tp�0A�Y&�&N���z�� �.�n%����!�A�)�H�+�����^e@`C$�:"�P�1 )T�8�%ڃ �p�;9ݧ#J��t�kh�Zs�����s�Gou_��4/�+�����I��I�Lt!]�!2�>�! 0000068252 00000 n @�=��C��Ǝд��z�ø�xZ��^ 5�y�JE���۩Y��%[��-�A��N���щ!OYI���yV%{�!�C7"҇�z��;�'I|����=-��ie���H��rQ���Dh� ��KF�z�V7�L�n�S���������Hpz׌T��OG�?V�n����D�-='0��a'L��������L���? %%EOF 11,76 . Tabelle 1: NMR-relevante Daten einiger Atomkerne Die Tabelle zeigt, dass beide Bedingungen für das natürliche Wasserstoffisotop 1H in idealer Weise erfüllt sind, so dass es im Nachhinein kein Wunder ist, dass dieser Kern als erster der NMR-Spektroskopie zugänglich war. ��o0իS���"7}*�^Ý���)&v�_��+�����[1����u�6!

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endstream endobj 62 0 obj <>stream Proton NMR and carbon NMR tables aid chemists in separating signals of impurities that might originate from residual solvents or a reaction apparatus. !��ܧ]'iJ�H��{||6P��h^q��r4���!0�ກ�+���H�y���q�� Proton im 1H-NMR-Spektrum sehen?

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endstream endobj startxref 0000000016 00000 n H��TKn�0��ӝ�����21�AwtQda�n�4q� �[�H!��bKQRˀ �3�83"09/eB�rT78�P�.�_�V��O���ԺDuׁ_6��tM����������ú-%��ڀ�/dO�e*�=�.ꯨ�7��9‹�f�;Ƿ��Gƒ�Vr�+Tߏ��ڨ�q�W%=zL���Kc�x��6�x�.�5��rX��KL.�,��xW��镘�Ur�Jړ~i�ƕ�º�vO���ܱT����v�*��zN�w˓Tlݮ�"�nG�ڔR_��a���VsW�C%�^����*��x�g�|�|;_.�P[k5!S[�[�ζt��b|gY�aR~'�&1���gp${-�m�,>.��c�oo�8�����mv�;���� m��! �ȳ�~ �aɦ��-y��$ʠ�x!�e�5���C r��@�?е��@�����V;���r�W!�5C'�T��B~P`Y�i�"[����m#�[��oA��\&�XX�Ydߠ �`����-p����gI#,C��A��j�� �0NT +�F�7�9�y�̔�����܏\)Y*���-���A�����P7�C��ٽ�� �OWPSH �d� K�0��$�r���u҆���(Y���f����$M(I*��v���w��5���8�Ɲ�^������d����e�5�Ըp*��\�xBs�U�2sӮ$�R}�R�A2p��Ԅ|ʓ�����+T�t��}ZG}Z3ڬH&�eiq�w���ʰ6��g�7��qW��{���=�1�]��.��f;}j���Z�V�W��pĎ��a����U�P̸��pFƹ�����G iP��V��$*�iay�O����N�����(2`Cx�� x�X� 0000004780 00000 n 0000001792 00000 n In the nmr spectrum of the dianion, the innermost methylene protons (red) give an nmr signal at +22.2 ppm, the adjacent methylene protons (blue) give a signal at +12.6 ppm, and the methyl protons (green) a signal at +5.6 ppm. Übungsaufgaben NMR-Spektroskopie (2) 4. M�ae \�**�UrS�@Z��]�����/O���ផ�[�+����&��ީׂO��V�����B ��{�YO���F�]�t��0�W�r���� nc z���dm¤\&P��Ā�dύ�C�#�x�͟�gg�|��{��������H�Ĩ��(J���lP\����\x~(�X1 ���V�J�F(0FDN� ����p���@c��nЈ�j� �S���Ĥ��yD����ݜ�����Y���� FU��! 0000051140 00000 n H��T�N�0��gL�����BB�(b�*! 0000007136 00000 n endstream endobj 63 0 obj <>stream 0000063548 00000 n %%EOF 0000004124 00000 n Aus einem 13 C-NMR-Spektrum lassen sich wie aus einem 1 H-NMR-Spektrum die in Tab. endstream endobj 2450 0 obj <>/Size 2430/Type/XRef>>stream 58 0 obj <> endobj

Halogenated Hydrocarbons III. h�b``�f``�f`a`�1�����X���� ̡ I���@Z���"G@� ��b9 (`��y�Pô+�u�kW�H� �6�хGb/c�!�f"N�u�aV@����}����� �^ Fh�

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endstream endobj 59 0 obj <> endobj 60 0 obj <> endobj 61 0 obj <>stream H����n�0E��w)�,>EAq�R���.�.T׎�ږb��~{7J�eӎ�B��s��9}�75��G��w�qss{7~Ş�ϐ1������L�k��UO��o3����V��M�l� !��x�5I]��2]ʭ���'Ʀ���� �GY�4E�_NQ�BhE��W�V��MȴF����. Silicon Containing Compounds (Except Si-O) V. Phosphorus Containing Compounds (Except P-O and P(=O)-O) VI. 2451 0 obj <>stream Füllen Sie diese Tabelle für heute übliche NMR-Spektrometer aus. 0000007588 00000 n 0000068018 00000 n 0000002319 00000 n Table of characteristic proton NMR chemical shifts. <<0DE54D32B1C08741B8F452DA5B256F7F>]>> Nitrogen Containing Compounds IV. *�u�u�"�e���r�����~}f��;��%����K�7���� ϵ���ӱ���=�'����{�2$7 +�ofm#ש�u�7��.������o��ڟ����d���kK3��O%���Oy�TX�Zk)����c�F'��w��6���g�~�Л`���G�]_���Ww����ܛ>��o��:9E�q �������s~�s_� � rw����C�h`�F`t�%dl�d�@�0&-#����p�,�FڟY9 �n^� ��'a��(o�uy�����f 0��*����^b��9�L��7m�Y�4�=

0000002056 00000 n ! Table of Contents - Proton NMR I. Hydrocarbons II. NMR Chemical Shifts of Impurities Charts | Sigma-Aldrich Welchen Zusammenhang erkennen Sie zwischen ν . 18,82 . xڼS�KSq?w�ͻُ{�.%���h���Iʼm+�b[nl�`����ak�����CHF����B/�nE=D�|P(0���"��� trailer 111 0 obj <>stream 0000063313 00000 n

81 0 obj <>/Filter/FlateDecode/ID[<571E1F8D027DB547B7EEF67C4B1BB304>]/Index[58 54]/Info 57 0 R/Length 107/Prev 93651/Root 59 0 R/Size 112/Type/XRef/W[1 2 1]>>stream 0000004701 00000 n 2430 0 obj <> endobj endstream endobj 64 0 obj <>stream Sulfur Containing Compounds VII.

x���A 0ð4�)�ȍ�z�� X�M��/��x���C. Besonderheiten finden sich jedoch 1) bei der Anzahl der Signalgruppen und der chemischen Verschiebung: Der 13 C-Resonanzbereich (etwa 0 bis 300 ppm) ist wesentlich größer als der Erwartungsbereich der 1 H-Kerne (0 bis 10 ppm). %PDF-1.4 %����

There are a lot of compounds especially organometallics that give signal at negative ppm, but you will probably not need those in … �b�}m{�?� �7��g��"�܈&. 0000063043 00000 n

0000003873 00000 n The only peak that comes before saturated C-H protons is the signal of the protons of tetramethylsilane, (CH3) 4 Si, also called TMS.

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