Structures by: Liu P.
Total: 370
C19H17NO2
C19H17NO2
Chemical Science (2020)
a=8.9647(3)Å b=9.7465(4)Å c=9.2350(3)Å
α=90° β=110.2250(10)° γ=90°
C24H25N3O3PdS
C24H25N3O3PdS
Chemical Science (2020)
a=8.2960(9)Å b=11.0174(14)Å c=12.5614(12)Å
α=111.695(3)° β=91.745(3)° γ=93.375(4)°
C24H35ClI0IrNO2
C24H35ClI0IrNO2
Catalysis Science & Technology (2020) 10, 17 6045-6049
a=9.4294(3)Å b=15.2306(4)Å c=16.4958(5)Å
α=90° β=94.9040(10)° γ=90°
C30H47ClIrN
C30H47ClIrN
Catalysis Science & Technology (2020) 10, 17 6045-6049
a=10.1037(6)Å b=11.6662(7)Å c=23.6230(15)Å
α=90° β=97.789(2)° γ=90°
C35H30
C35H30
Organic Chemistry Frontiers (2019) 6, 3 309
a=44.902(3)Å b=11.1591(10)Å c=10.6337(7)Å
α=90° β=90° γ=90°
C42H36
C42H36
Organic Chemistry Frontiers (2019) 6, 3 309
a=11.3720(4)Å b=13.1796(6)Å c=24.5090(10)Å
α=105.144(4)° β=93.375(3)° γ=90.360(3)°
F6P,C39H37N2O2
F6P,C39H37N2O2
Materials Chemistry Frontiers (2019) 3, 1 57
a=11.951(2)Å b=15.590(3)Å c=18.828(4)Å
α=90° β=97.29(3)° γ=90°
C27H23N3O
C27H23N3O
Organic Chemistry Frontiers (2018) 5, 5 793
a=31.825(9)Å b=31.825(9)Å c=8.303(2)Å
α=90° β=90° γ=90°
C17H13AuClOP,C2H3N
C17H13AuClOP,C2H3N
Chemical Science (2019)
a=12.7694(3)Å b=7.3282(3)Å c=38.4557(10)Å
α=90° β=90° γ=90°
C35H27OPSn
C35H27OPSn
Chemical Science (2019)
a=9.93270(10)Å b=18.4467(3)Å c=15.8535(2)Å
α=90° β=104.801(2)° γ=90°
C87H66Au6ClO5P5S,2(CH2Cl2),C3H7
C87H66Au6ClO5P5S,2(CH2Cl2),C3H7
Chemical Science (2019)
a=15.31190(10)Å b=21.8107(2)Å c=28.8693(2)Å
α=90° β=99.0770(10)° γ=90°
C18H20Cl2Cu2N2O6P2
C18H20Cl2Cu2N2O6P2
Chemical Science (2019)
a=7.3741(6)Å b=7.5275(7)Å c=11.8201(10)Å
α=78.770(7)° β=87.887(7)° γ=67.556(8)°
2(C92H76Cu4O4P8),3(CH2Cl2)
2(C92H76Cu4O4P8),3(CH2Cl2)
Chemical Science (2019)
a=14.7461(6)Å b=15.0636(7)Å c=22.9640(7)Å
α=87.081(3)° β=75.816(3)° γ=63.403(4)°
C40H60Cl2Cu2O4P4
C40H60Cl2Cu2O4P4
Chemical Science (2019)
a=9.1382(8)Å b=11.4943(8)Å c=12.1632(7)Å
α=79.859(5)° β=71.565(6)° γ=66.823(7)°
C28H36Cl2Cu2O4P4
C28H36Cl2Cu2O4P4
Chemical Science (2019)
a=8.0889(4)Å b=9.7187(5)Å c=10.6284(5)Å
α=78.259(4)° β=87.754(4)° γ=80.431(4)°
C58H72Na2O14P2,C4H8O
C58H72Na2O14P2,C4H8O
Chemical Science (2019)
a=27.5839(10)Å b=9.1559(2)Å c=28.1190(11)Å
α=90° β=121.726(5)° γ=90°
C17H13ClCuOP
C17H13ClCuOP
Chemical Science (2019)
a=17.1019(13)Å b=3.8793(3)Å c=21.547(2)Å
α=90° β=97.229(9)° γ=90°
C35H27AuOP2
C35H27AuOP2
Chemical Science (2019)
a=10.7949(4)Å b=11.5285(6)Å c=11.9802(5)Å
α=87.576(4)° β=84.280(4)° γ=71.512(4)°
C25H21NO5
C25H21NO5
Organic letters (2017) 19, 20 5513-5516
a=31.8047(10)Å b=31.8047(10)Å c=11.8143(5)Å
α=90° β=90° γ=120°
C19H18O2
C19H18O2
Organic letters (2017) 19, 20 5513-5516
a=5.8811(2)Å b=13.6299(4)Å c=18.7137(6)Å
α=90° β=90° γ=90°
C19H19BrO3
C19H19BrO3
Organic letters (2017) 19, 20 5513-5516
a=7.7292(9)Å b=25.126(3)Å c=9.0730(13)Å
α=90° β=110.817(11)° γ=90°
C18H15BrO2
C18H15BrO2
Organic letters (2017) 19, 20 5513-5516
a=8.6567(2)Å b=13.8347(4)Å c=25.4021(6)Å
α=90° β=90° γ=90°
C11H17NOSi
C11H17NOSi
Organic letters (2016) 18, 21 5536-5539
a=10.178(4)Å b=10.104(4)Å c=12.720(5)Å
α=90.00° β=108.216(6)° γ=90.00°
C32H31N3O2S
C32H31N3O2S
Organic letters (2016) 18, 21 5736-5739
a=16.708(2)Å b=10.3275(15)Å c=17.209(3)Å
α=90.00° β=110.656(2)° γ=90.00°
C18H17F3N2O2S
C18H17F3N2O2S
Organic letters (2016) 18, 21 5736-5739
a=13.134(2)Å b=9.8729(17)Å c=29.105(5)Å
α=90.00° β=93.355(3)° γ=90.00°
C21H17N3O3
C21H17N3O3
Organic letters (2017) 19, 13 3580-3583
a=20.109Å b=20.109Å c=9.5683(6)Å
α=90° β=90° γ=90°
C44H28Co2N0O21
C44H28Co2N0O21
Inorganica Chimica Acta (2013) 403, 43-52
a=8.8721(16)Å b=29.118(5)Å c=24.202(4)Å
α=90.00° β=90.00° γ=90.00°
C27H21Co2NO11
C27H21Co2NO11
Inorganica Chimica Acta (2013) 403, 43-52
a=8.2928(9)Å b=13.2171(15)Å c=16.7624(18)Å
α=112.540(2)° β=102.421(2)° γ=90.440(2)°
C37H23Co2N3O10
C37H23Co2N3O10
Inorganica Chimica Acta (2013) 403, 43-52
a=9.731(7)Å b=11.083(8)Å c=16.472(11)Å
α=100.738(14)° β=97.558(14)° γ=98.329(14)°
C80H54Co3N6O18
C80H54Co3N6O18
Inorganica Chimica Acta (2013) 403, 43-52
a=12.082(9)Å b=13.647(10)Å c=14.324(18)Å
α=110.57(2)° β=109.52(2)° γ=102.764(15)°
C66H74F6N6O10P2
C66H74F6N6O10P2
Chemical Science (2013) 4, 4 1701
a=14.9639(11)Å b=16.2074(10)Å c=16.6904(12)Å
α=68.0740(10)° β=65.602(2)° γ=86.2270(10)°
C50H42Cl4Fe2N10O21
C50H42Cl4Fe2N10O21
Chemical Science (2011) 2, 11 2187
a=19.005(4)Å b=14.428(3)Å c=20.463(4)Å
α=90.00° β=101.45(2)° γ=90.00°
C60H40Fe2N12
C60H40Fe2N12
Chemical Science (2011) 2, 11 2187
a=24.217(3)Å b=24.217(3)Å c=44.518(9)Å
α=90.00° β=90.00° γ=90.00°
C80H50Cl4Fe1
C80H50Cl4Fe1
Chemical Science (2011) 2, 11 2187
a=28.005(6)Å b=23.913(5)Å c=25.973(5)Å
α=90.00° β=115.78(3)° γ=90.00°
C27H35NO2
C27H35NO2
Journal of natural products (2013) 76, 7 1328-1336
a=11.5420(5)Å b=24.4903(12)Å c=7.7765(4)Å
α=90.00° β=90.00° γ=90.00°
C30H45NO2S
C30H45NO2S
Journal of natural products (2013) 76, 7 1328-1336
a=8.1683(2)Å b=12.8017(4)Å c=26.8302(8)Å
α=90.00° β=90.00° γ=90.00°
C30H46NO2S
C30H46NO2S
Journal of natural products (2013) 76, 7 1328-1336
a=8.1634(5)Å b=12.7824(8)Å c=26.7737(17)Å
α=90.00° β=90.00° γ=90.00°
C30H30Cl3Fe1
C30H30Cl3Fe1
Organic letters (2008) 10, 15 3275-3278
a=9.931(2)Å b=9.983(2)Å c=18.837(4)Å
α=99.01(3)° β=98.39(3)° γ=90.87(3)°
C19H21N3O7
C19H21N3O7
Organic letters (2011) 13, 22 5948-5951
a=7.13190(10)Å b=10.27060(10)Å c=24.8328(2)Å
α=90.00° β=90.00° γ=90.00°
C19H21N3O7
C19H21N3O7
Organic letters (2011) 13, 22 5948-5951
a=7.2572(9)Å b=10.3636(12)Å c=25.073(3)Å
α=90.00° β=90.00° γ=90.00°
C19H27.25N2O9.63
C19H27.25N2O9.63
Organic letters (2011) 13, 22 5948-5951
a=24.470(3)Å b=24.470(3)Å c=7.3590(10)Å
α=90.00° β=90.00° γ=90.00°
C22H22N2O4
C22H22N2O4
Journal of natural products (2011) 74, 10 2219-2223
a=7.1550(8)Å b=25.307(2)Å c=12.83410(11)Å
α=90.00° β=123.880(2)° γ=90.00°
C29H21BrN2O
C29H21BrN2O
Organic letters (2015) 17, 15 3872-3875
a=9.724(3)Å b=11.142(3)Å c=12.910(4)Å
α=98.826(5)° β=103.604(5)° γ=112.844(5)°
C26H18N2OS
C26H18N2OS
Organic letters (2015) 17, 15 3872-3875
a=9.919(2)Å b=19.032(4)Å c=11.221(2)Å
α=90.00° β=102.942(5)° γ=90.00°
C20H18IN6O2
C20H18IN6O2
Green Chemistry (2020) 22, 10 3111-3116
a=9.7382(14)Å b=10.0324(13)Å c=11.2964(15)Å
α=73.551(7)° β=87.711(7)° γ=74.719(7)°
I,C22H16N7
I,C22H16N7
Green Chemistry (2020) 22, 10 3111-3116
a=21.618(3)Å b=7.8792(10)Å c=23.619(3)Å
α=90° β=90° γ=90°
I,C20H15N6O
I,C20H15N6O
Green Chemistry (2020) 22, 10 3111-3116
a=8.0435(6)Å b=11.5711(10)Å c=27.338(2)Å
α=90° β=95.054(5)° γ=90°
I,C20H14ClN6,C2H6OS
I,C20H14ClN6,C2H6OS
Green Chemistry (2020) 22, 10 3111-3116
a=7.6849(4)Å b=11.3310(5)Å c=14.1776(7)Å
α=94.684(2)° β=94.245(2)° γ=106.982(2)°
C12H7N3S
C12H7N3S
Organic & Biomolecular Chemistry (2020) 18, 44 9088-9094
a=16.2160(5)Å b=8.5645(2)Å c=16.5649(5)Å
α=90° β=117.9340(10)° γ=90°
C26H22N4O2S
C26H22N4O2S
Organic & biomolecular chemistry (2020) 18, 17 3360-3366
a=11.5618(5)Å b=20.0595(10)Å c=20.7439(10)Å
α=90° β=90° γ=90°
C18H11N3O
C18H11N3O
Organic & biomolecular chemistry (2018) 16, 19 3572-3575
a=11.8242(5)Å b=5.6357(2)Å c=20.6262(8)Å
α=90° β=99.544(4)° γ=90°
C21H17N3O2
C21H17N3O2
Organic & biomolecular chemistry (2019) 17, 13 3343-3347
a=8.7751(5)Å b=13.7237(7)Å c=14.5990(10)Å
α=90° β=101.524(6)° γ=90°
C20H15N3O2
C20H15N3O2
Organic & biomolecular chemistry (2019) 17, 13 3343-3347
a=8.8758(8)Å b=14.7297(12)Å c=11.9629(11)Å
α=90° β=101.831(9)° γ=90°
C17H12F2N2O
C17H12F2N2O
Organic & biomolecular chemistry (2019) 17, 37 8527-8532
a=8.9400(7)Å b=10.9431(8)Å c=14.3252(12)Å
α=90° β=101.510(8)° γ=90°
C17H13BrCl2N2O2S
C17H13BrCl2N2O2S
Organic & biomolecular chemistry (2014) 12, 38 7494-7497
a=8.9358(18)Å b=9.326(2)Å c=12.002(3)Å
α=106.670(3)° β=101.817(4)° γ=93.100(4)°
3a
C18H13ClN2O
Organic & biomolecular chemistry (2016) 14, 1 165-171
a=3.9823(6)Å b=11.7455(17)Å c=16.580(2)Å
α=86.931(3)° β=84.919(3)° γ=89.788(3)°
C36H29BF2N2S8
C36H29BF2N2S8
Organic & biomolecular chemistry (2017) 15, 6 1393-1399
a=16.674(3)Å b=11.067(2)Å c=20.438(4)Å
α=90.00° β=107.38(3)° γ=90.00°
C26H25N3O2
C26H25N3O2
Organic & biomolecular chemistry (2012) 10, 23 4571-4576
a=13.710(5)Å b=13.748(5)Å c=11.855(5)Å
α=90.000(5)° β=100.854(5)° γ=90.000(5)°
C13H14BrNO2
C13H14BrNO2
Organic & biomolecular chemistry (2012) 10, 46 9237-9242
a=18.235(3)Å b=8.1950(9)Å c=18.783(3)Å
α=90.00° β=111.007(18)° γ=90.00°
C30H26Cu2Mo8N6O28
C30H26Cu2Mo8N6O28
Dalton Transactions (2019)
a=12.0868(6)Å b=15.3515(7)Å c=12.4671(6)Å
α=90° β=102.5040(10)° γ=90°
C11H11CuMo3N5O11
C11H11CuMo3N5O11
Dalton Transactions (2019)
a=7.633(5)Å b=10.979(5)Å c=11.349(5)Å
α=77.076(5)° β=85.384(5)° γ=74.767(5)°
C11H9CuMo4N5O14
C11H9CuMo4N5O14
Dalton Transactions (2019)
a=9.638(5)Å b=14.761(5)Å c=15.417(5)Å
α=90° β=104.889(5)° γ=90°
C30H22.50Cu2Mo8N6O26.25
C30H22.50Cu2Mo8N6O26.25
Dalton Transactions (2019)
a=12.531(5)Å b=13.190(5)Å c=13.589(5)Å
α=77.378(5)° β=89.683(5)° γ=89.474(5)°
C40H50Cd3Cl6N6O10
C40H50Cd3Cl6N6O10
Dalton transactions (Cambridge, England : 2003) (2019) 48, 12 3862-3873
a=9.5000(16)Å b=10.7183(17)Å c=13.594(2)Å
α=112.424(2)° β=105.362(2)° γ=96.032(3)°
C17H18N2O4
C17H18N2O4
Dalton transactions (Cambridge, England : 2003) (2019) 48, 12 3862-3873
a=24.479(7)Å b=10.978(3)Å c=5.6901(16)Å
α=90° β=90° γ=90°
C19H21Cl2N3O4Zn
C19H21Cl2N3O4Zn
Dalton transactions (Cambridge, England : 2003) (2019) 48, 12 3862-3873
a=14.717(3)Å b=10.463(2)Å c=14.910(3)Å
α=90° β=112.699(4)° γ=90°
C17H18Cl2CuN2O4
C17H18Cl2CuN2O4
Dalton transactions (Cambridge, England : 2003) (2019) 48, 12 3862-3873
a=11.261(5)Å b=15.782(6)Å c=13.591(6)Å
α=90° β=113.407(7)° γ=90°
C38H42CdCl2N6O8
C38H42CdCl2N6O8
Dalton transactions (Cambridge, England : 2003) (2019) 48, 12 3862-3873
a=10.1060(19)Å b=10.938(2)Å c=16.982(4)Å
α=90° β=93.225(3)° γ=90°
C44H54Cd2Cl4N6O10
C44H54Cd2Cl4N6O10
Dalton transactions (Cambridge, England : 2003) (2019) 48, 12 3862-3873
a=11.150(3)Å b=18.158(5)Å c=11.986(3)Å
α=90° β=96.932(5)° γ=90°
C58H38O4
C58H38O4
Chemical communications (Cambridge, England) (2020) 56, 96 15181-15184
a=11.140(4)Å b=13.270(3)Å c=16.669(5)Å
α=98.910(10)° β=90.453(7)° γ=99.668(7)°
X62
C64.33H58N2.67O7.67
Chemical communications (Cambridge, England) (2018) 54, 69 9571-9574
a=21.310(4)Å b=22.284(5)Å c=16.397(3)Å
α=90° β=95.97(3)° γ=90°
X61
C61H46N2O5
Chemical communications (Cambridge, England) (2018) 54, 69 9571-9574
a=10.6341(5)Å b=16.3753(7)Å c=17.6369(8)Å
α=64.812(2)° β=87.802(2)° γ=88.570(2)°
C38H41Cu4N19Na2O11
C38H41Cu4N19Na2O11
Chemical Communications (2019)
a=21.150(3)Å b=17.374(2)Å c=26.768(3)Å
α=90° β=90° γ=90°
C43H52Cu5N22Na2O14,H2O
C43H52Cu5N22Na2O14,H2O
Chemical Communications (2019)
a=9.3751(18)Å b=12.984(3)Å c=13.416(3)Å
α=103.511(3)° β=93.740(4)° γ=105.433(3)°
C50H62Cu5N22Na2O14
C50H62Cu5N22Na2O14
Chemical Communications (2019)
a=9.414(3)Å b=13.080(4)Å c=14.135(5)Å
α=103.568(5)° β=95.201(6)° γ=107.346(6)°
5-PDA
C48H52N2O4
Chemical Communications (2018)
a=5.9659(10)Å b=8.1499(9)Å c=20.8277(19)Å
α=81.489(9)° β=88.641(12)° γ=79.847(12)°
C31.5H29Cl3F6IrN2O0.5P
C31.5H29Cl3F6IrN2O0.5P
New Journal of Chemistry (2018) 42, 19 16183
a=10.9410(8)Å b=11.1991(9)Å c=14.9659(11)Å
α=93.0900(10)° β=109.773(2)° γ=90.7840(10)°
C31H31ClF6IrN4P
C31H31ClF6IrN4P
New Journal of Chemistry (2018) 42, 19 16183
a=10.1500(9)Å b=13.1501(11)Å c=14.9502(12)Å
α=104.382(2)° β=104.100(2)° γ=105.659(3)°
C24.5H20Ag4N4O9.5
C24.5H20Ag4N4O9.5
New Journal of Chemistry (2005) 29, 3 474
a=8.6509(12)Å b=12.618(2)Å c=14.000(3)Å
α=107.936(10)° β=99.633(6)° γ=90.210(7)°
C10H13N4O3Zn
C10H13N4O3Zn
New J. Chem. (2015) 39, 4 2669
a=13.4761(19)Å b=13.4761(19)Å c=27.254(5)Å
α=90.00° β=90.00° γ=90.00°
C12H8Ag3N3O7
C12H8Ag3N3O7
New Journal of Chemistry (2005) 29, 3 474
a=8.1686(16)Å b=10.4479(18)Å c=10.8106(17)Å
α=62.257(7)° β=69.159(7)° γ=80.817(9)°
I4Pb,C30H22N6Ni
I4Pb,C30H22N6Ni
CrystEngComm (2020)
a=9.1237(5)Å b=13.4076(7)Å c=14.8525(8)Å
α=83.392(4)° β=87.801(5)° γ=74.413(5)°
0.17(I36Pb12),C30H22N6Ni
0.17(I36Pb12),C30H22N6Ni
CrystEngComm (2020)
a=29.1712(2)Å b=29.1712(2)Å c=29.1712(2)Å
α=90° β=90° γ=90°
C30H22I6N6Pb3
C30H22I6N6Pb3
CrystEngComm (2020)
a=10.1531(3)Å b=19.0353(6)Å c=30.5736(11)Å
α=90° β=90.798(3)° γ=90°
I6Pb2,I4Pb,2(C30H22N6Ni)
I6Pb2,I4Pb,2(C30H22N6Ni)
CrystEngComm (2020)
a=22.3909(6)Å b=8.5089(2)Å c=39.5465(9)Å
α=90° β=90° γ=90°
C14H8Co3N6O6,2(C3H7NO)
C14H8Co3N6O6,2(C3H7NO)
Journal of Materials Chemistry C (2017) 5, 1064-1073
a=17.518(9)Å b=13.309(9)Å c=11.181(6)Å
α=90.00° β=95.873(15)° γ=90.00°
C14H8Co3N6O6,C2H6O
C14H8Co3N6O6,C2H6O
Journal of Materials Chemistry C (2017) 5, 1064-1073
a=18.280(3)Å b=11.9163(18)Å c=11.0923(17)Å
α=90.00° β=94.040(2)° γ=90.00°
C12H10N2O6S2Zn
C12H10N2O6S2Zn
CrystEngComm (2010) 12, 11 3840
a=4.8532(6)Å b=13.9380(18)Å c=21.639(3)Å
α=90.00° β=90.00° γ=90.00°
C22H26N4O10S2Zn
C22H26N4O10S2Zn
CrystEngComm (2010) 12, 11 3840
a=11.551(14)Å b=19.65(2)Å c=12.340(16)Å
α=90.00° β=102.913(18)° γ=90.00°
C46H40Cu2N8O12S4
C46H40Cu2N8O12S4
CrystEngComm (2010) 12, 11 3840
a=9.3823(12)Å b=12.2541(16)Å c=12.379(3)Å
α=113.038(3)° β=92.382(3)° γ=112.130(2)°
C22H18CuN4O6S2,2.24(H2O)
C22H18CuN4O6S2,2.24(H2O)
CrystEngComm (2010) 12, 11 3840
a=7.5515(3)Å b=11.1038(5)Å c=16.2388(7)Å
α=108.8140(10)° β=92.0370(10)° γ=97.0100(10)°
C12H13CuN2O6S
C12H13CuN2O6S
CrystEngComm (2010) 12, 11 3840
a=8.522(9)Å b=10.180(11)Å c=17.534(19)Å
α=90.00° β=100.627(13)° γ=90.00°
C24H14Cd2N4O4S2
C24H14Cd2N4O4S2
CrystEngComm (2010) 12, 11 3840
a=8.8779(16)Å b=11.910(2)Å c=12.284(2)Å
α=91.799(3)° β=93.476(3)° γ=102.816(3)°
C24H20.40CdN4O6.20S2
C24H20.40CdN4O6.20S2
CrystEngComm (2010) 12, 11 3840
a=16.202(7)Å b=22.691(10)Å c=16.772(10)Å
α=90.00° β=114.511(8)° γ=90.00°
C33H35Cl3N6O2
C33H35Cl3N6O2
Journal of Materials Chemistry B (2019) 7, 26 4124
a=16.130(3)Å b=14.858(4)Å c=14.836(3)Å
α=90.00° β=106.804(4)° γ=90.00°
C24H26N2O3
C24H26N2O3
RSC Advances (2014) 4, 23 11680
a=9.2790(17)Å b=17.285(3)Å c=13.653(2)Å
α=90.00° β=106.450(3)° γ=90.00°
C44H34Co2N8O14S2,C28H32CoN8O2,7(H2O)
C44H34Co2N8O14S2,C28H32CoN8O2,7(H2O)
CrystEngComm (2018) 20, 38 5833
a=9.884(5)Å b=10.055(5)Å c=21.401(10)Å
α=93.574(8)° β=91.624(8)° γ=112.313(8)°
C23H24N4NiO6,H2O
C23H24N4NiO6,H2O
CrystEngComm (2018) 20, 38 5833
a=10.0679(6)Å b=11.2018(7)Å c=11.3853(7)Å
α=103.5140(10)° β=107.5220(10)° γ=95.5320(10)°
C42H36N8NiO6S,4(H2O)
C42H36N8NiO6S,4(H2O)
CrystEngComm (2018) 20, 38 5833
a=8.1354(17)Å b=16.294(3)Å c=16.793(3)Å
α=108.688(4)° β=90.416(4)° γ=94.180(4)°