202007shitan2journalOriginalShi, Q.[Quan]Tan, Z.-C.[Zhi-Cheng]Di, Y.-Y.[You-Ying]Tong, B.[Bo]Wang, S.-X.[Shao-Xu]Li, Y.-S.[Yan-Sheng]Thermochim. Acta20072008-06-14Thermodynamic Studies of Crystalline 2-Amino-5-nitropyridine (C5H5N3O2)2-amino-5-nitropyridineHeat capacityThermodynamic functionAdiabatic calorimetryStandard molar enthalpy of combustionStandard molar enthalpy of formationTGDSC4636-912-amino-5-nitropyridineC5H5N3O21Commercial source1982Stated by supplier2Crystallization from solution299.83HPLC2carbon dioxideCO23nitrogenN24waterH2O5oxygenO211Principal objective of the workVVDTRC3/25/20071Molar heat capacity at constant pressure, J/K/molVacuum adiabatic calorimetryCrystalDirect value, X1AuthorCrystalPressure, kPa101.32561Temperature, K180.2445152.7751.10554184.1625154.55851.109116187.0215156.2651.11252189.9725158.05251.116104193.0075160.05951.120118196.1245161.7951.12358199.1515163.51551.127031102.1096165.15551.130311105.1596166.83251.1336641108.2996168.53951.1370781111.3786169.97251.1399441114.3996171.40551.142811117.3696172.8351.145661120.4296174.38751.1487741123.5826176.05151.1521021126.696177.40251.1548041129.7496178.84951.1576981132.7696180.20651.1604121135.7496181.69151.1633821138.8236182.96551.165931141.9876184.37151.1687421145.1156185.83451.1716681148.2076187.22251.1744441151.2646188.70751.1774141154.2926190.07151.1801421157.2876191.42551.182851160.2586192.53651.1850721163.3176193.79551.187591166.4676195.35851.1907161169.596196.53551.193071172.6876197.55851.1951161175.7586199.16651.1983321178.80561100.65661.2013121181.83461101.77461.2035481184.86161103.74261.2074841187.99561105.44561.210891191.23661107.04161.2140821194.47661108.10561.216211197.71461110.07461.2201481200.94661111.8361.223661204.28561113.74561.227491207.71361115.8261.231641211.10461117.36361.2347261214.45161118.48161.2369621217.74761119.73261.2394641220.98261121.4661.242921224.24161123.44461.2468881227.3761125.23861.2504761230.47161126.78161.2535621233.53561128.00561.256011236.69961129.17561.258351239.83461130.77261.2615441242.8261132.20861.2644161245.89661133.33461.2666681248.99561134.92261.2698441252.08261136.09261.2721841255.24761137.55261.2751041258.39161138.82161.2776421261.51761140.60861.2812161264.62461142.66861.2853361267.71461144.56761.2891341270.78661146.1461.292281273.84261147.15961.2943181276.88961148.40161.2968021279.92461149.94661.2998921282.94361151.57261.3031441286.04561152.94961.3058981289.25461154.40161.3088021292.3961157.05661.3141121295.47561158.97161.3179421298.5661161.47261.3229441301.64461163.12161.3262421304.71261164.66561.329331307.77361165.74261.3314841310.82961167.19661.3343921313.87261168.74561.337491316.90461170.42761.3408541319.92561172.15161.3443021323.02261174.56161.3491221326.18961175.60261.3512041329.3461177.95761.3559141332.47861180.36761.3607341335.62261182.54561.365091338.76761183.77461.3675481341.961185.04761.3700941345.02361186.90761.3738141348.13961188.46261.3769241351.24161190.03861.3800761354.33461191.86261.3837241357.41761193.39661.3867921360.57661194.97361.3899461363.80261195.5561.39111367.01961197.0361.394061370.22761198.9361.397861373.42361200.16261.4003241376.61361202.17661.4043521379.7961203.0861.406161382.95661204.62361.4092461386.1261205.84761.4116941389.27361207.33761.4146741392.44661208.40161.4168021395.48261209.35961.41871811Principal objective of the workVVDTRC3/25/20071Molar heat capacity at constant pressure, J/K/molVacuum adiabatic calorimetryCrystalDirect value, X1AuthorCrystalPressure, kPa101.32561Temperature, K1802152.32851.1046561852155.33651.1106721902158.24751.1164941952161.06951.12213811003163.81151.12762211053166.47951.13295811103169.0851.1381611153171.62251.14324411203174.1151.1482211253176.55151.15310211303178.95151.15790211353181.31551.1626311403183.6551.167311453185.9651.1719211503188.25151.17650211553190.52651.18105211603192.79151.18558211653195.04951.19009811703197.30551.1946111753199.56351.199126118031101.82561.20365118531104.09561.20819119031106.37661.212752119531108.6761.21734120031110.97961.221958120531113.30761.226614121031115.65561.23131121531118.02361.236046122031120.41561.24083122531122.8361.24566123031125.2761.25054123531127.73561.25547124031130.22561.26045124531132.74161.265482125031135.28361.270566125531137.84961.275698126031140.43961.280878126531143.05361.286106127031145.68861.291376127531148.34461.296688128031151.01961.302038128531153.7161.30742129031156.41661.312832129531159.13361.3182661298.1551160.8561.3217130031161.8661.32372130531164.59261.329184131031167.32861.334656131531170.06261.340124132031172.79261.345584132531175.51361.351026133031178.2261.35644133531180.91161.361822134031183.57861.367156134531186.21861.372436135031188.82561.37765135531191.39361.382786136031193.91661.387832136531196.38961.392778137031198.80561.39761137531201.15661.402312138031203.43761.406874138531205.6461.41128139031207.75861.415516139531209.78361.41956611Principal objective of the workVVDTRC3/25/20071Molar enthalpy, kJ/molVacuum adiabatic calorimetryCrystalDifference with the reference state, X-X(REF)Reference phase with the same composition at fixed temperature and pressure298.1551003Crystal1AuthorCrystalPressure, kPa101.32561Temperature, K18021-23.23151-.04646218521-22.96251-.04592419021-22.67851-.04535619521-22.37951-.044758110031-22.06751-.044134110531-21.74151-.043482111031-21.40251-.042804111531-21.05151-.042102112031-20.68651-.041372112531-20.3151-.04062113031-19.92151-.039842113531-19.5251-.03904114031-19.10851-.038216114531-18.68451-.037368115031-18.24851-.036496115531-17.80151-.035602116031-17.34351-.034686116531-16.87351-.033746117031-16.39251-.032784117531-15.951-.0318118031-15.39751-.030794118531-14.88251-.029764119031-14.35651-.028712119531-13.81851-.027636120031-13.26951-.026538120531-12.70851-.025416121031-12.13651-.024272121531-11.55251-.023104122031-10.95651-.021912122531-10.34851-.020696123031-9.72741-.019454123531-9.09541-.01819124031-8.4541-.0169124531-7.79341-.015586125031-7.12341-.014246125531-6.4441-.01288126031-5.74441-.011488126531-5.03541-.01007127031-4.31341-.008626127531-3.57841-.007156128031-2.8341-.00566128531-2.06841-.004136129031-1.29341-.002586129531-.50431-.0010081298.15510010130031.29931.0005981305311.11541.002231310311.94441.0038881315312.78841.0055761320313.64541.007291325314.51641.0090321330315.441.01081335316.29841.0125961340317.20941.0144181345318.13441.0162681350319.07141.01814213553110.02251.02004413603110.98551.0219713653111.96151.02392213703112.94951.02589813753113.94951.02789813803114.9651.0299213853115.98351.03196613903117.01751.03403413953118.06151.03612211Principal objective of the workVVDTRC3/25/20071Molar entropy, J/K/molVacuum adiabatic calorimetryCrystalDifference with the reference state, X-X(REF)Reference phase with the same composition at fixed temperature and pressure298.1551003Crystal1AuthorCrystalPressure, kPa101.32561Temperature, K18021-125.38361-.25076618521-122.1261-.2442419021-118.87461-.23774819521-115.64961-.231298110031-112.44661-.224892110531-109.26861-.218536111031-106.11561-.21223111531-102.98861-.205976112031-99.88751-.199774112531-96.81251-.193624113031-93.76351-.187526113531-90.73951-.181478114031-87.73951-.175478114531-84.76451-.169528115031-81.81151-.163622115531-78.8851-.15776116031-75.9751-.15194116531-73.0851-.14616117031-70.20951-.140418117531-67.35651-.134712118031-64.5251-.12904118531-61.69951-.123398119031-58.89251-.117784119531-56.151-.1122120031-53.31951-.106638120531-50.5551-.1011121031-47.79251-.095584121531-45.04351-.090086122031-42.30251-.084604122531-39.56951-.079138123031-36.84351-.073686123531-34.12251-.068244124031-31.40751-.062814124531-28.69651-.057392125031-25.98951-.051978125531-23.28451-.046568126031-20.58351-.041166126531-17.88351-.035766127031-15.18451-.030368127531-12.48751-.024974128031-9.7941-.01958128531-7.09341-.014186129031-4.39641-.008792129531-1.69941-.0033981298.15510010130031.99831.0019961305313.69641.0073921310316.39541.012791315319.09441.01818813203111.79351.02358613253114.49351.02898613303117.19451.03438813353119.89451.03978813403122.59451.04518813453125.29351.05058613503127.99151.05598213553130.68851.06137613603133.38251.06676413653136.07451.07214813703138.76351.07752613753141.44751.08289413803144.12751.08825413853146.851.093613903149.46851.09893613953152.12751.10425411-1Crystal205Ideal gas301.5Ideal gas402.5Liquid5-5.25Ideal gasPrincipal objective of the workVVDTRC3/25/2007Combustion with oxygen1Molar internal energy of reaction at constant volume, kJ/molStatic bomb calorimetry298.1551003AuthorStandard deviation of the meanCalibrated by the experimentalist951-2676.266.246-.19718980253463