6. 5
ͬһųǿ, 13C1Hܼ֮(?E)֮Ϊ? (?H=2.793˴,?C=0.702˴) 7. 5
1H2.4 T ų, ˴ŹƵΪ1.0108MHz.14N(I=1)ڴ²˴Ź, ƵΪ? (1HĴž?H Ϊ2.793˴,14NĴž?C Ϊ0.404˴)
8. 5 (3378)
90MHzƵʱ, TMSͻij֮ƵʲΪ430Hz, յĻѧλǶ? 9. 5
1Hž?HΪ1.4110-12J/T, 2.4Tų²˴Ź,յĵŷƵǶ? 10. 10
60MHz(1.409T)ĺ˴Ź, ɨƵʽ, AӺBӵĹƵʷֱTMS360Hz͵120Hz.
(1) ڵӵ, Aܵʵʳǿ(Чǿ)BӸǵ? ? (2) Ϊ涨TMSγΪ, ABγΪ? 11. 5
13C˵ĴȦãž?C0.7023˴ӣ1˴ӣ5.0510-27JT1h=6.6310-34Js 12. 5
13CųУųǿΪ2.3487T25.10MHzƵ䣬˴Źźţ
13
Cĺ˴žΪٺ˴ӣ1˴ӵλ5.0510-27JT1 h=6.6310-34Js 13. 5
ijбϵӻѧλֵ ģ7.4ʹ õNMRΪ90MHz 1ӾTMSľ롣
2ûһǼͬ²ӷTMSľΪ171 ѧλ? 14. 5
1H14N27Al75AsͬǿȵųУܼEɴС˳ʲôΪʲôH1/2N1Al=5/2, As=3/2˴ž?λ:˴ӣ?H2.793?N0.4073?Al=3.6385 ?As=1.4349 15. 10
ųǿΪ2.34T1HĹƵΪ٣ʹôųǿΪ2.34Tⶨ13CNMR ʱƵΪ25.1MHzʹ80MHzⶨ13Cף乲ƵǶ٣
?H2.793˴ӣ1˴ӣ5.0510-27JT1h=6.6310-34Js 16. 10
13C1.4092TĴųУ15.08MHzƵòⶨ13CNMR ף 60MHzƵⶨ13CNMR ףųǿΪ60MHzƵⶨ 19FNMRʴųǿΪ?C0.7023˴ӣ?F2.628613C19FΪ1/2 17. 2
43Ca?7/2ųжٸ̬mΪ ٣ 18. 2
ʹ200MHzNMRijеӻѧλֵΪ6.8Լ300MHz NMRͬһӲźλΪHz 19. 5
ųǿΪ1.4092Tܼ֮ͬ1H13Cܼ ֮Ϊ٣
?H2.793˴ӣ?C0.7023˴ӣ1˴ӣ5.0510-27JT1 20. 5
ͬһųǿ1H14Nܼ֮Ϊ٣ ?H2.793˴ӣ?N0.4073˴ӣ?H=1/2,?N=1
ġʴ ( 80) 1. 5
C4H8Br2 ĺ˴Ź£ ?1 = 1.7 ˫ ?2 = 2.3 , ط ?3 = 3.5 ط ?4 = 4.3 ط
ַΪ 3 : 2 : 2 : 1 .
дûĽṹʽ 1234 Ӧ̼ԭ, ͡ 2. 5
1,1,2- ĵͷֱ˴Ź?1= 3.95 ?2 5.77 壨1, 2
(1) ԹΪ٣
(2) ø߷ֱõĺ˴Źּ壿λںδ 3. 5
ﻷ ĺ˴ŹͼУΪ٣ 4. 10
ijѧʽΪ C3H3Cl5 Ļ NMR ͼ£дĽṹʽָ ͼӦӷĹͼ
5. 5
HOCH2CH2CN סָźŵĹżѷͼͼ
6. 5
CH3- CH2- O - CHCl - CH3ףָźŵĹżѷͼ(ͼ)
7. 5 HFC ˵ĺ˴žطֱΪ 2.792.630.70,ڴųǿͬĴųʱһִź˵ĹƵΪʲô 8. 5
˴ŹĻѧλģ 9. 5
ж» NMR ͼף
CH3CHCH3
10. 5
жлĺ˴Źͼף
BrCHCH2BrCCH2Br3
11. 5
HAHmHx ֱ
CCC Am x ӵѷͼ.
12. 5
˵˴Ź? 13. 5
C9H10O21Hͼ: (1) 3
(2) a. ?=1.98 3 дĽṹʽ, . b. ?=5.00 2
c. ?=7.29 5 14. 5
C7H8O 1H-NMRͼ: (1)
(2) a. ? =3.8, , 1 дṹʽ, . b. ?=4.6, , 2 c. ?=7.2 5 15. 5
OHCCH2CH3CH3 ˳-ϩ
HCCOO 1H-NMRͼ, ˵
COCH2 (1) м
(2) ѧλֵС(߳, ͳ) (3) ѷͼ (4) ֮ 16. 5
C3H6O21H-NMRͼ (1) 3 (2) a. ?=1.2 ط b. ?=2.4 ط c. ?=10.2
(3) ֮ a:b:c =3:2:1 дĽṹʽ, ԭ. 17. 5
C7H81H-NMRͼ:
a. ?=2.3 b. ?=7.2
֮ a:b =3:5 дĽṹʽ 18. 5
жϻ=CH21H-NMRͼ, дĻѧλƴС (ߡͳ), ѷͼ֮ . 19. 5
жȩCH3CHO1H-NMRͼ, ˵ĻѧλƴС(ߡͳ), ѷͼ֮ . 20. 5
13C-NMR1H-NMRȽ, ԲⶨлṹЩŵ? 21. 5
C11H16 1H-NMRͼ: (1) 3
(2) a. ?=0.9, , 9 b. ?=2.3, , 2