The Role of Imidoselenium(II) Chlorides in the Formation of Cyclic Selenium
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- Αντιγόνη Αλιβιζάτος
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1 Electronic Supplementary Material (ESI) for Dalton Transactions. This journal is The Royal Society of Chemistry 2015 The Role of Imidoselenium(II) Chlorides in the Formation of Cyclic Selenium Imides via Cyclocondensation Aino J. Karhu, Olli J. Pakkanen, J. Mikko Rautiainen, Raija Oilunkaniemi, Tristram Chivers, and Risto S. Laitinen * Electronic Supporting Information 1. QTAIM analyses of ClSe[N( t Bu)Se] n Cl (n = 1-3) 2. Thermochemical cycles 3. Selected bond parameters of [PdCl 2 {Se,Se -(SeCl) 2 N( t Bu)}] [PdCl 2 {Se,Se - Se 4 (N t Bu) 3 ] MeCN and their comparison to corresponding parameters in [PdCl 2 {Se,Se -Se 4 (N t Bu) 3 ] and ClSeN( t Bu)SeCl 4. PBE0/def2-TZVPP optimized Cartesian coordinates of ClSe[N( t Bu)Se] n Cl (n = 1-3) and Se m (N t Bu) m and Se m (N t Bu) m-1 (m = 3, 4) in the gas phase
2 2 1. QTAIM Analyses of ClSe[N( t Bu)Se] n Cl (n = 1-3) Computed gas phase QTAIM parameters charge density ρ, laplacian of charge density 2 ρ, electronic energy density H, kinetic energy density per electron G/ρ and delocalization index DI are shown in Tables S1-S3.The numbering of the atoms in different chlorides is shown in Fig. 1S. Fig. 1S. Numbering of atoms in ClSe[N( t Bu)Se] 2 Cl (n = 1, 2, 3) for the QTAIM analysis. Table S1. QTAIM parameters of ClSeN( t Bu)SeCl. Bond ρ 2 ρ H G G/ρ DI Se1-Cl Se2-Cl Se1-N Se2-N Table S2. QTAIM parameters of ClSe[N( t Bu)Se] 2 Cl. Bond ρ 2 ρ H G G/ρ DI Se1-Cl Se1-Cl Se1-N Se2-N Se2-N Se3-N Se1 Se
3 3 Table S3. Computed QTAIM parameters of ClSe[N( t Bu)Se] 3 Cl. Bond ρ 2 ρ H G G/ρ DI Se1-Cl Se4-Cl Se1-N Se2-N Se2-N Se3-N Se3-N Se4-N Se1 Se In all bonds of ClSe[N( t Bu)Se] n Cl (n = 1, 2, 3), the charge density is high (> 10-1 ). Electronic energy density values are negative, which is typical for covalent bonds. In addition, G/ρ values are < 1 also indicating covalent bonding. 2 ρ values of the Se-N bonds decrease when bond lengths increase in ClSe[N( t Bu)Se] n Cl (n = 1, 2, 3). This kind of behavior is typical for polar covalent bonds as observed by Love. 1 2 ρ values of the Se-Cl bonds do not show similar behavior as the Se-N bonds and do not behave as systematically as those of the Se-N bonds, because Se-Cl bonds are less polar than the Se-N bonds. Delocalization indices are in a good agreement with bond lengths. ρ and 2 ρ values at the bond critical point of the Se Se interactions in ClSe[N( t Bu)Se] n Cl (n = 2, 3) indicate weak closed-shell interactions. H values are zero so they fall between shared-shell and closed-shell interactions. Delocalization indices of 0.3 and 0.2 also show that the bonding is weak. 2. Thermochemical cycles The Gibbs energy of sublimation of t BuNH 3 Cl was estimated as the difference between gas phase ion pair ( t BuNH 3 ) + (Cl) and formula unit energy in optimized crystal structure of orthorhombic t BuNH 3 Cl. Both the structure of ( t BuNH 3 ) + (Cl) ion pair and crystal structure were optimized utilizing a Crystal14 program 2 using the PBE0 functional 3 and the pob-tzvp basis sets. 4 Both the cell parameters and the atomic 1 I. Love, J. Phys. Chem. A 2009, 113, (a) R. Dovesi, R. Orlando, A. Erba, C. M. Zicovich-Wilson, B. Civalleri, S. Casassa, L. Maschio, M. Ferrabone, M. De La Pierre, P. D Arco, Y. Noel, M. Causa, M. Rerat and B. Kirtman, Int. J. Quantum Chem. 2014, 114, ; (b) R. Dovesi, V. R. Saunders, C. Roetti, R. Orlando, C. M. Zicovich-Wilson, F. Pascale, B. Civalleri, K. Doll, N. M. Harrison, I. J. Bush, P. D Arco, M. Llunell, M. Causà and Y. Noël CRYSTAL14, 2014, CRYSTAL14 User's Manual, University of Torino, Torino. 3 (a) J. P. Perdew, K. Burke and M. Ernzerhof, Phys. Rev. Lett., 1996, 77, ; (b) J. P. Perdew, K. Burke and M. Ernzerhof, Phys. Rev. Lett., 1997, 78, 1396; (c) J. P. Perdew, M. Ernzerhof, and K. Burke, J. Chem. Phys., 1996, 105, ; (d) C. Adamo, and V. Barone, J. Chem. Phys., 1999, 110, M. F. Peintinger, D. Vilela Oliveira, and T. Bredow, J. Comput. Chem., 2013, 34,
4 4 coordinates were optimized. The optimization was started from experimental crystal structure with the orthorombic cell, Pbca, a = (8), b = 8.877(4), c = 8.647(3) Å, V = Å 3, Z = 8. 5 The corresponding optimized cell parameters were a = , b = 8.925, c = Å, V = 1362 Å 3. The calculated enthalpy and Gibbs energy differences for gaseous ion pair and t BuNH 3 Cl in the crystal structure with vibrational and thermal energy corrections (298 K) were H = 149 kj mol 1 and G = 88 kj mol 1. The computed solvation energy was taken as the energy difference between the ion pair in the gaseous state and in THF. It has a G value of 58 kj mol 1. The energy difference from the solvated ion pair to solid crystal structure (per formula unit) is -30 kj mol -1. These three values have been taken into account in the thermochenical cycles below. 2.1 SeCl 2 (solv) ClSeN( t Bu)SeCl(solv) SeCl 2 (g) + 2 t g(11) = -32 BuNH 2 (g) t BuN(H)SeCl(g) + t BuNH 3 Cl(g) 11A = -6 11B = C = D = -58 SeCl 2 (solv) + 2 t solv(11) = -76 BuNH 2 (solv) t BuN(H)SeCl(solv) + t BuNH 3 Cl(solv) 11S = -30 SeCl 2 (solv) + 2 t 11 = -106 BuNH 2 (solv) t BuN(H)SeCl(solv) + t BuNH 3 Cl(s) t BuN(H)SeCl(g) + SeCl 2 (g) + t g(1) = +10 BuNH 2 (g) ClSeN( t Bu)SeCl(g) + t BuNH 3 Cl(g) 12A = A = -6 12B = C = D = -58 t BuN(H)SeCl(solv) + SeCl 2 (solv) + t solv(1) = -33 BuNH 2 (solv) ClSeN( t Bu)SeCl(solv) + t BuNH 3 Cl(solv) 12S = -30 t BuN(H)SeCl(solv) + SeCl 2 (solv) + t 12 = -63 BuNH 2 (solv) ClSeN( t Bu)SeCl(solv) + t BuNH 3 Cl(s) 2 SeCl 2 (solv) + 3 t BuNH 2 (solv) ClSeN( t Bu)SeCl(solv) + 2 t BuNH 3 Cl(s) 1 = (-106) + (-63) = K. N. Trueblood, Acta Crystallogr. 1987, C43,
5 5 2.2 ClSeN( t Bu)SeCl(solv) ClSe[N( t Bu)Se] 2 Cl(solv) ClSeN( t Bu)SeCl(g) + 2 t g(21) = +4 BuNH 2 (g) t BuN(H)SeN( t Bu)SeCl(g) + t BuNH 3 Cl(g) 21A = B = C = D = -58 ClSeN( t Bu)SeCl(solv) + 2 t solv(21) = -46 BuNH 2 (solv) t BuN(H)SeN( t Bu)SeCl(solv) + t BuNH 3 Cl(solv) 21S = -30 ClSeN( t Bu)SeCl(solv) + 2 t 21 = -66 BuNH 2 (solv) t BuN(H)SeN( t Bu)SeCl(solv) + t BuNH 3 Cl(s) t BuN(H)SeN( t Bu)SeCl(solv) + SeCl 2 (g) + t g(22) = -8 BuNH 2 (g) ClSe[N( t Bu)Se] 2 Cl(g) + t BuNH 3 Cl(g) 22A = A = -6 22B = C = D = -58 t BuN(H)SeN( t Bu)SeCl(solv) + SeCl 2 (solv) + t solv(22) = -57 BuNH 2 (solv) ClSe[N( t Bu)Se] 2 Cl(solv) + t BuNH 3 Cl(solv) 22S = -30 t BuN(H)SeN( t Bu)SeCl(solv) + SeCl 2 (solv) + t 22 = -87 BuNH 2 (solv) ClSe[N( t Bu)Se] 2 Cl(solv) + t BuNH 3 Cl(s) ClSeN( t Bu)SeCl(solv) + 3 t BuNH 2 (solv) ClSe[N( t Bu)Se] 2 Cl(solv) + t BuNH 3 Cl(s) 2 = (-66) + (-87) = ClSeN( t Bu)Se] 2 Cl(solv) ClSe[N( t Bu)Se] 3 Cl(solv) ClSe[N( t Bu)Se] 2 Cl(g) + 2 t g(31) = +15 BuNH 2 (g) t BuN(H)Se[N( t Bu)Se] 2 Cl(g) + t BuNH 3 Cl(g) 31A = B = C = D = -58 ClSe[N( t Bu)Se] 2 Cl(solv) + 2 t solv(31) = -20 BuNH 2 (solv) t BuN(H)Se[N( t Bu)Se] 2 Cl(solv) + t BuNH 3 Cl(solv) 31S = -30 ClSe[N( t Bu)Se] 2 Cl(solv) + 2 t 31 = -50 BuNH 2 (solv) t BuN(H)Se[N( t Bu)Se] 2 Cl(solv) + t BuNH 3 Cl(s)
6 6 t BuN(H)Se[N( t Bu)Se] 2 Cl(g) + SeCl 2 (g) + t g(32) = -10 BuNH 2 (g) ClSe[N( t Bu)Se] 3 Cl(g) + t BuNH 3 Cl(g) 32A = A = -6 32B = C = D = -58 t BuN(H)Se[N( t Bu)Se] 2 Cl(solv) + SeCl 2 (solv) + t solv(32) = -54 BuNH 2 (solv) ClSe[N( t Bu)Se] 3 Cl(solv) + t BuNH 3 Cl(solv) 32S = -30 t BuN(H)Se[N( t Bu)Se] 2 Cl(solv) + SeCl 2 (solv) + t 32 = -84 BuNH 2 (solv) ClSe[N( t Bu)Se] 3 Cl(solv) + t BuNH 3 Cl(s) ClSeN[( t Bu)Se] 2 Cl(solv) + 3 t BuNH 2 (solv) ClSe[N( t Bu)Se] 2 Cl(solv) + t BuNH 3 Cl(s) 3 = (-50) + (-84) = ClSe[N( t Bu)Se] 2 Cl 1,3-Se 3 (N t Bu) 2 ClSe[N( t Bu)Se] 2 Cl(g) + 3 t g(41) = -20 BuNH 2 (g) Se 3 (N t Bu) 2 (g) + 2 t BuNH 3 Cl(g) + ½ t BuN=N t Bu(g) 41A = B = C = -9 41C = D = -9 ClSe[N( t Bu)Se] 3 Cl(solv) + 3 t solv(41) = -102 BuNH 2 (solv) Se 3 (N t Bu) 2 (solv) + 2 t BuNH 3 Cl(solv) + ½ t BuN=N t Bu(solv) 41S = -60 ClSe[N( t Bu)Se] 2 Cl(solv) + 3 t 4 = -162 BuNH 2 (solv) Se 3 (N t Bu) 3 (solv) + 2 t BuNH 3 Cl(s) + ½ t BuN=N t Bu(solv) 2.5 ClSe[N( t Bu)Se] 2 Cl 1,3,5-Se 3 (N t Bu) 3 ClSe[N( t Bu)Se] 2 Cl(g) + 3 t g(51) = +61 BuNH 2 (g) Se 3 (N t Bu) 3 (g) + 2 t BuNH 3 Cl(g) 51A = B = C = D = -116 ClSe[N( t Bu)Se] 2 Cl(solv) + 3 t solv(51) = -16 BuNH 2 (solv) Se 3 (N t Bu) 3 (solv) + 2 t BuNH 3 Cl(solv) + ½ t BuN=N t Bu(solv) 51S = -60 ClSe[N( t Bu)Se] 2 Cl(solv) + 3 t 5 = -76 BuNH 2 (solv) Se 3 (N t Bu) 2 (solv) + 2 t BuNH 3 Cl(s) + ½ t BuN=N t Bu(solv) 2.6 ClSe[N( t Bu)Se] 3 Cl 1,3,5-Se 4 (N t Bu) 3 ClSe[N( t Bu)Se] 3 Cl(g) + 3 t g(61) = -17 BuNH 2 (g) Se 4 (N t Bu) 3 (g) + 2 t BuNH 3 Cl(g) + ½ t BuN=N t Bu(g) 61A = B = C = C = D = -9 ClSe[N( t Bu)Se] 2 Cl(solv) + 3 t solv(61) = -103 BuNH 2 (solv) Se 4 (N t Bu) 3 (solv) + 2 t BuNH 3 Cl(solv) + ½ t BuN=N t Bu(solv) 61S = -60 ClSe[N( t Bu)Se] 2 Cl(solv) + 3 t 6 = -163 BuNH 2 (solv) Se 4 (N t Bu) 3 (solv) + 2 t BuNH 3 Cl(s) + ½ t BuN=N t Bu(solv)
7 7 2.7 ClSe[N( t Bu)Se] 3 Cl 1,3,5,7-Se 4 (N t Bu) 4 ClSe[N( t Bu)Se] 3 Cl(g) + 3 t g(71) = +98 BuNH 2 (g) Se 4 (N t Bu) 4 (g) + 2 t BuNH 3 Cl(g) 71A = B = C = D = -116 ClSe[N( t Bu)Se] 3 Cl(solv) + 3 t solv(71) = +9 BuNH 2 (solv) Se 4 (N t Bu) 4 (solv) + 2 t BuNH 3 Cl(solv) + ½ t BuN=N t Bu(solv) 71S = -60 ClSe[N( t Bu)Se] 3 Cl(solv) + 3 t 7 = -51 BuNH 2 (solv) Se 4 (N t Bu) 4 (solv) + 2 t BuNH 3 Cl(s) + ½ t BuN=N t Bu(solv)
8 8 3. Selected bond parameters of [PdCl 2 {Se,Se -(SeCl) 2 N( t Bu)}] [PdCl 2 {Se,Se - Se 4 (N t Bu) 3 ] MeCN and their comparison to the corresponding parameters in [PdCl 2 {Se,Se -Se 4 (N t Bu) 3 ] and ClSeN( t Bu)SeCl [PdCl 2 {Se,Se -Se 4 (N t Bu) 3 ] in 10 MeCN [PdCl 2 {Se,Se -Se 4 (N t Bu) 3 ] a [PdCl 2 {Se,Se -(SeCl) 2 N( t Bu)}] in 10 MeCN ClSe(N t Bu)SeCl b Pd1-Se (10) Pd1-Se (8) Pd2-Se (10) Pd1-Se (10) Pd1-Se (10) Pd2-Se (10) Pd1-Cl (2) Pd1-Cl (17) Pd2-Cl (19) Pd1-Cl (18) Pd1-Cl (16) Pd2-Cl (2) Se1-N (6) Se1-N (5) Se5-N (6) Se1-N (6) Se2-N (7) Se2-N (5) Se6-N (6) Se2-N (7) Se2-N (6) Se2-N (6) Se5-Cl (2) Se1-Cl (2) Se3-N (6) Se3-N (6) Se6-Cl (2) Se2-Cl (2) Se4-N (7) Se4-N (5) Se1-N (7) Se1-N (5) Se3-Se (12) Se3-Se (11) Se1-Pd1-Se (3) Se1-Pd1-Se (4) Se5-Pd2-Se (3) Cl1-Pd1-Se (5) Cl1-Pd1-Se (5) Cl3-Pd2-Se (6) Cl2-Pd1-Se (5) Cl2-Pd1-Se (5) Cl4-Pd2-Se (5) Cl1-Pd1-Cl (7) Cl1-Pd1-Cl (6) Cl13-Pd2-Cl (7) Cl2-Pd1-Se (6) Cl2-Pd1-Se (5) Cl4-Pd2-Se (5) N1-Se1-N (3) N1-Se1-N2 99.5(2) N4-Se5-Cl (2) N1-Se1-Cl (2) N1-Se2-N (3) N1-Se1-N (2) N4-Se6-Cl (2) N1-Se2-Cl (2) N2-Se3-Se (2) N2-Se3-Se (17) C4-N4-Se (5) C1-N1-Se (5) N3-Se4-Se (2) N3-Se4-Se (17) C4-N4-Se (5) C1-N1-Se (5) Se1-N1-Se (3) Se1-N1-Se (3) Se5-N4-Se (3) Se1-N1-Se (4) Se2-N2-Se (3) Se2-N2-Se (3) Se1-N3-Se (3) Se1-N3-Se (3) C1-N1-Se (5) C1-N1-Se (4) C1-N1-Se (5) C1-N1-Se (4) C2-N2-Se (5) C2-N2-Se (4) C2-N2-Se (5) C2-N2-Se (4) C3-N3-Se (5) C3-N3-Se (4) C3-N3-Se (5) C3-N3-Se (4) a Ref. 6. b Ref M. Risto, A. Eironen, E. Männistö, R. Oilunkaniemi, R. S. Laitinen and T. Chivers, Dalton Trans., 2009, T. Maaninen, T. Chivers, R. Laitinen and E. Wegelius, Chem. Commun., 2000,
9 9 4. PBE0/def2-TZVPP optimized Cartesian coordinates of ClSe[N( t Bu)Se] n Cl (n = 1-3) and Se m (N t Bu) m and Se m (N t Bu) m-1 (m = 3, 4) in the gas phase 4.1 ClSe(N t Bu)SeCl Se Se Cl Cl N C C H H H C H H H C H H H ClSe[N( t Bu)Se] 2 Cl C C C H H H C H H H C H H H C H H H C H H H C H H H N N Cl Cl Se
10 10 Se Se ClSe[N( t Bu)Se] 3 Cl Se Se Se Se Cl Cl N N N C C H H H C H H H C H H H C C H H H C H H H C H H H C C H H H C H H H C H H H ,3-Se 3 (N t Bu) 2 Se
11 11 Se N C H H H C C H H H C H H H Se N C H H H C C H H H C H H H ,3,5-Se 3 (N t Bu) 3 Se N C H H H C C H H H C H H H Se N C H H H C C H H
12 12 H C H H H Se N C H H H C C H H H C H H H ,3,5-Se 4 (N t Bu) 3 Se Se Se Se N N N C C C C H H H C H H H C H H H C H H H C H H H C H H H C
13 13 H H H C H H H C H H H ,3,5,7-Se 4 (N t Bu) 4 Se Se Se Se N N N N C C C C C H H H C H H H C H H H C H H H C H H H C H H H C H H H C H H H
14 C H H H C H H H C H H H C H H H
Table of Contents 1 Supplementary Data MCD
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