Compound

Steps

Temperature

range (˚C)

TG weight loss (%)

Assignment

T_max

Calc. %

Found %

(I)

1

25 - 237

42.40

42.50

2(N₂H₂), 2(HCNS) and 1/2O₂ fragments

205

280

565

2

237 - 337

30.40

30.20

1/2O₂and C₄H₄

3

More than 337

27.10

27.30

C₁₀H₄

(Ia)

1

25 - 175

6.60

6.00

3 water

166

278

777

869

2

175 - 390

28.50

29.20

2 acetone, 4 water and N₃H₃

3

390 - 707

18.90

18.30

(C₄N₃S₂)

4

707 - 990

22.80

22.80

(C₉H₈)

5

More than 990

22.90

23.70

2CoO and residual carbon 3/2C₂

(Ib)

1,2

25 - 342

33.90

34.40

12water and 2(HCN)

187, 271

405, 480

840

978

3

342 - 475

12.60

12.80

(CN₄S)

4,5

More than 475

53.40

52.80

(C₁₃H₁₀), (S), (O₂) molecules and 2Cu(II) metal

(Ic)

1

25 - 245

20.64

20.64

two water and two acetone molecules

228

319

493

649

2

245 - 386

23.60

23.40

2(HCN), 2N₂ and S₂

3

386 - 700

19.96

19.70

C₆H₄

4

More than 700

35.70

36.30

(C₈H₄), (ZnO) and zinc metal residue

(Id)

1

25 - 226

12.40

12.60

two water and 2(HCN) molecules

224

301

530

2

226 - 322

16.50

16.20

S₂ and 2N₂

3

322 - 560

16.90

17.20

C₄H₄

4

More than 560

54.10

54.00

C₁₀H₄, (SnO) and Sn metal residue