Chemistry 341 spectroscopy lecture

Fundamentals of Quantum Chemistry Molecular Spectroscopy and Modern Electronic Structure Computations Michael P. Mueller

Fundamentals of Quantum Chemistry Molecular Spectroscopy and Modern Electronic Structure Computations  Michael P. Mueller
... Fundamentals of Quantum Chemistry This page intentionally left blank Fundamentals of Quantum Chemistry Molecular Spectroscopy and Modern Electronic Structure Computations Michael Mueller ... momentum terms and mass coordinates s and r The reduced mass of the system, This reduces the expressions for and in terms of and are now expressed in terms of the center of is defined as and and to the ... formulations, and applications of quantum mechanics in chemistry For some students, this is a terminal course in quantum chemistry providing them with a basic introduction to quantum theory and problem...
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lecture 2 spectroscopy

lecture 2 spectroscopy
... Solution C x 105 M Io I Thioketone -C =S 330 A 2. 23 100 27 Nitrite -NO2 23 0 B 1.90 100 32 Conjugated Diene -C=C-C=C- 23 3 Conjugated Triene -C=C-C=C-C=C- 26 8 Conjugated Tetraene -C=C-C=C-C=C-C=C- Benzene ... and should be avoided R2 = 0.995 20 .0 40.0 60.0 concentration (uM) Chromophoric Structure Practice Examples Group Structure nm Carbonyl >C=O 28 0 Azo -N = N- 26 2 Nitro -N=O 27 0 Solution C x 105 ... the following table [X](M) Absorbance Transmittance(%) E(L/mole-cm) 30 20 00 0.5 25 00 0 .2 2.5 x 10-3 4.0 x 10-5 50 5000 150 2. 0 x 10-4 L(cm) 1.00 1.00 1.00 [X](M) = Concentration in Mole/L The molar...
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Lecture 2 - RF Fundamentals

Lecture 2 -  RF Fundamentals
... http://www.fab-corp.com February 20 05 Copyright 20 05 All Rights Reserved 22 External Antenna Contd 2. 4 Gz dB Log Periodic Antenna 2. 4 Gz dB Magnetic Mount Omni Antenna February 20 05 Copyright 20 05 All ... ARSINIDE February 20 05 LIGHT VELOCITY (km/s) 1.0 1.00003 1.33 1.46 1.5 2. 0 3.4 3.6 Copyright 20 05 All Rights Reserved 300,000 300,000 22 5,000 20 5,000 20 0,000 150,000 88,000 83,000 14 RF Behavior Contd ... Rights Reserved 23 2. 4 Gz 10 dBi Omni-Directional Antenna February 20 05 Copyright 20 05 All Rights Reserved 24 15.5 dBi Flat Panel Panel (6 – 90 degree beamwidth) February 20 05 Copyright 20 05 All Rights...
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Lecture 4 - Spread Spectrum Technologies

Lecture 4 - Spread Spectrum Technologies
... - 928 Mhz S-Band - Ghz S-Band ISM (802.11b) 2 .4 - 2.5 Ghz C-Band - Ghz C-Band Satellite downlink 3.7 - 4. 2Ghz C-Band Radar (weather) 5.25 - 5.925 Ghz C-Band ISM (802.11a) 5.725 - 5.875 Ghz C-Band ... C-Band satellite uplink 5.92 5-6 .42 5 Ghz X-Band 8-1 2 Ghz X-Band Radar (police/weather) 9. 5-1 0.55 Ghz Ku-band 1 2-1 8 Ghz Ku-band Radar (Police) 13. 5-1 5 Ghz 15. 7-1 7.7 Ghz ISM - Industrial, Scientific ... All Rights Reserved 44 802.11a Network Channel Assignments Area Frequency Band USA U-NII Lower Band 36 5.180 Ghz (5.15 0-5 .250 Ghz) 40 5.200 Ghz 44 5.220 Ghz 48 5. 240 Ghz U-NII Middle Band 52...
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Lecture 5 - WLAN Infrastruc

Lecture 5 -  WLAN Infrastruc
... publication 250 NEMA Type 4) February 20 05 Copyright 20 05 All Rights Reserved 16 Access Point Mounts February 20 05 Copyright 20 05 All Rights Reserved 17 Wireless Bridge February 20 05 Copyright 20 05 All ... handle between 8-1 6 clients An Enterprise grade WGB can handle up to 255 clients February 20 05 Copyright 20 05 All Rights Reserved 22 Wireless Router February 20 05 Copyright 20 05 All Rights Reserved ... GPS enabled topographical maps http://www.cisco.com/warp/public/102 /wlan/ faq-hardware-us-calc.html February 20 05 Copyright 20 05 All Rights Reserved 21 Wireless Workgroup Bridges q A Wireless Workgroup...
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Lecture 6 WLAN Standards and Organizations.ppt

Lecture 6 WLAN Standards and Organizations.ppt
... 36 technical Societies q The IEEE Standards Association administers the standards process within the IEEE The American National Standards Institute (ANSI) accredits the IEEE and oversees the standards ... and oversees the standards process Many IEEE standards become ANSI standards q The Computer Society is responsible for the IEEE 802 series of standards through its LAN/MAN Standards Committee ... Operates in the 5.0 GHz UNNI bands 200 channels ( channels 1-199) spaced MHz apart Supported data rates are 6, 9, 12, 18, 24, 36, 48 and 54 MBps 6, 12, and 24 are mandatory All others are optional...
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Lecture 7 - 802.11 WLAN Architecture

Lecture 7 -  802.11 WLAN Architecture
... Interval - Announce existence of 802.11 network Capability Info - Advertisement of network's capabilities Service Set Identity (SSID) - The identity of the service set FH Parameter Set - Specifies ... February 2005 Copyright 2005 All Righs Reserved WLAN Types q Independent Basic Service Set (IBSS) No Access Point An ad-hoc group of wireless nodes Peer-to-peer transmission One node is elected to ... De-authentication - Destroys a previously known station identity- terminates the current Association  The device shuts down  Out of AP range February 2005 Copyright 2005 All Righs Reserved 802.11...
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Environmental chemistry - P1

Environmental chemistry - P1
... 34 2.4.4.1 Mêtan 34 2.4.4.2 Các hydrocacbon khác mêtan (non-methane hydrocarbons - NMHCs) 34 2.4.4.3 Các dẫn xuất halogen hydrocacbon 35 2.4.5 Các hạt lơ lửng ... số nồng độ chất ô nhiễm nước mặt (TCVN 594 2-1 995) 78 Giá trị giới hạn cho phép thông số nồng độ chất ô nhiễm nước thải công nghiệp (TCVN 594 5-1 995) .79 Hàm lượng nguyên tố hóa học ... 90 4.3.2 Không khí đất 91 4.4 Dịch đất 91 4.5 Phản ứng axit-bazơ phản ứng trao đổi ion đất 91 4.5.1 Sự tạo thành axit vô đất 91 4.5.2 Điều chỉnh...
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Environmental chemistry - P2

Environmental chemistry - P2
... dng ca Trỏi t lỳc s khai Ngi ta suy oỏn rng, t nhiu loi phõn t hu c c to thnh, cỏc h vụ sinh (non-living systems) c hỡnh thnh, tin húa thnh cỏc sinh vt t sinh tn v sinh sn, sau cựng phỏt trin thnh...
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Environmental chemistry - P3

Environmental chemistry - P3
... CH2FCF3 (HFC-134a): chất thay cho CFC-12 dùng máy điều hòa không khí xe tủ lạnh gia đình; CHCl2CF3 (HCFC-123) CH3CCl2F (HCFC-141b): chất thay cho CFC-11 trình sản xuất đệm xốp; CHClF2 (HCFC-22): dùng ... liên kết với nguyên tử clo flo Các CFC thường gặp CCl3F (CFC-11), CCl2F2 (CFC-12), C2Cl3F3 (CFC-113), C2Cl2F4 (CFC-114) C2ClF5 (CFC-115) CFCs hợp chất nhân tạo trước tự nhiên CFCs sử dụng lần ... RO2 RO hay hay RH N2O5 R H2O + M M NO2 hν O M O3 O O2 M HNO3 OH hν RCO-O2 + M H2O N2O4 H2O N2O3 H2O HNO2 M RCO-O2 RCO-O2-NO2 (PANs) Hình 2.8 Các chuyển hóa hóa học chủ yếu NOx tầng đối lưu [7]...
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Environmental chemistry - P4

Environmental chemistry - P4
... (a) DDT: 1,1,1-trichloro-2,2-di-(p-chlorophenyl)ethane (Dichloro Diphenyl Trichloroethane) C H Cl Cl Cl C Cl Cl C H Cl Cl C H Cl Cl C C Cl Cl 70 (b) DDD: 1,1-dichloro-2,2-di-(p-chlorophenyl)ethane ... C H Cl Cl C C Cl Cl 70 (b) DDD: 1,1-dichloro-2,2-di-(p-chlorophenyl)ethane (c) DDE: 1,1-dichloro-2,2-di-(p-chlorophenyl)ethene Hỡnh 3.8 Cụng thc cu to ca cỏc hp cht DDT, DDD, DDE c tớnh ca DDT ... cng mnh thỡ pE cng ln Cú th thy rừ iu ny qua cỏc vớ d minh sau: Na+ + e Na (r) cú EO = - 2,71 V v pEO = - 45,9 2H+ + 2e H2 (k) cú EO = 0V v pEO = O O Cl2 + 2e 2Cl cú E = 1,36 V v pE = 23,0...
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Environmental chemistry - P5

Environmental chemistry - P5
... 6-1 2-8 chứa 6% N, 12% P2O5, 8% K2O Phân chuồng có thành phần gần tương đương với phân 0, 5-0 ,2 4-0 ,5 Phân chuồng cần ủ để phân hủy sinh học giải phóng cấu tử vô thực vật hấp thụ (NO3−, HxPO4x-3 ... chứa nhiều sulfat axit gọi đất sulfat-axit (acid-sulfate soil) Các vùng đất hình thành từ trầm tích biển trung tính chứa FeS2, bị chuyển thành đất sulfat-axit tiếp xúc với không khí Các mỏ khoáng ... chứa FeS ngừng hoạt động tạo thành loại đất tương tự đất sulfat-axit từ trầm tích biển Nếu không xử lý thích hợp canh tác đất sulfat-axit loại đất chứa yếu tố bất lợi có pH thấp, nồng độ H 2S cao...
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Environmental chemistry - P6

Environmental chemistry - P6
... ether chloromethyl methyl ether 1,4-Butanediol dimethylsulfonate (Myleran®) Cadmi số hợp chất cadmi Chlorambucil 1-( 2-Chloroethyl )-3 -( 4-methylcyclohexyl )-1 -nitrosourea (MeCCNU) Crom số hợp chất ... Melphalan (2-amino- 3-[ 4-[ bis(2-chloroethyl)amino]phenyl]-propanoic a.) Methoxsalen với liệu pháp UV-A (PUVA) MOPP liệu pháp hóa học kết hợp khác kể tác nhân ankyl hóa Mustard Gas (Bis (2-chloroethyl) ... nguy bị phơi nhiễm [9] Aflatoxins 4-Aminobiphenyl Asen số hợp chất asen Amiăng Azathioprine Benzene Benzidine Beri số hợp chất beri N,N-bis-(2-Chloroethyl )-2 -naphthylamine (chlornaphazine) Bis(chloromethyl)...
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Báo cáo y học: "Enhancement of the Click Chemistry for the Inverse Diels Alder Technology by Functionalization of Amide-Based Monomers"

Báo cáo y học:
... of the dansyl derivative and the N-ethyl-diisoproylamine and the dansyl sulfamidoethylamine to the tetrazine product linked with 5-dansyl sulfamidoethylcarboxamide-2-yl For the syntheses of the ... [15] The synthesis of the tetrazine dicarbonic acid derivate was performed as described by [15] The synthesis procedure of the corresponding dansyl derivative was carried out according to the ... summary, it is fair to say, that further efforts in the development of new functional building blocks could enhance the diversity in the ligation chemistry They also can be conductive for both for...
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