Structure Data of Free Polyatomic Molecules 
Subvolume C: Molecules containing Three or Four Carbon Atoms 
Molecules containing Three Carbon Atoms Element System C -Cl- 
No Hill Formula Structure Formula Name 
333 C3Cl6O 

O 1,1,1,3,3,3-Hexachloro-2-propanone Cl 
Cl Cl 
Cl 
Cl Cl 

Element System C - F- 
No Hill Formula Structure Formula Name 
334 C3F2N2O2 F 

F
O 



O 
C 


C 
N 

N 335 C3F6O F O 



F 
F 


F 
FF 336 C3F6O3 

F 

O 

F 
F 
F F 
O O 

F 337 C3F6S3 

F 

S 

F 
F 
F F 
S S F 

338 C3F7NO 

F F F 
O N F 


F 
FF 
339 C3F8O4S2 OO OO 




S 

S 

CF3 
FF 
F3C 
Difluorodiisocyanatomethane 
Trifluoro(trifluoromethoxy)ethene 

Carbonic acid bis(trifluoromethyl) ester 
Carbonotrithioic acid 

Bis(trifluoromethyl)carbamoyl fluoride 
Difluorobis[(trifluoromethyl)sulfonyl]methane 
Element System C - H- with One Hydrogen Atom 
No  Hill Formula  Structure Formula  Name  
340  C3H  CC=CH  2-Propynylidyne  
341  C3HNO3S  HC=CC=N  SO3  Cyanoacetylene  sulfur trioxide (1/1)  
342  C3HP  HC=CC=P  1-Phospha-1,3-butadiyne  

No Hill Formula Structure Formula Name 
343 C3H2ArO 

O 2-Propynal  argon (1/1) HCC 
. Ar H 

344 C3H2ClF5O 

F 2-Chloro-1-(difluoromethoxy)-1,1,2O F 

trifluoroethane 
Cl
FF F


345 C3H2ClF5O 

F 2-Chloro-2-(difluoromethoxy)-1,1,1
F 
trifluoroethane 

F
O 
F F Cl 346 C3H2F6O 

F 2-(Difluoromethoxy)-1,1,1,2-tetrafluoroethane 
F 

F
O 
F FF 347 C3H2F6O 
1,1,1,3,3,3-Hexafluoro-2-propanol F 
F
F

F 

348 C3H2N2 HH Propanedinitrile 
N N 



Element System C - H- with Three Hydrogen Atoms 
No Hill Formula Structure Formula Name 


349 C3H2OS HC=CH  OCS Ethyne  carbonyl sulfide (1/1) 350 C3H3ArNO 
Isoxazole  argon (1/1) . Ar 
351 C3H3AsS 
1,2-Thiarsole As 

352 C3H3Cl H 


Cl 1-Chloro-1,2-propadiene CCC H


H 
353 C3H3ClO 

O a-Chloroacrylaldehyde H2C 
H Cl 
354 C3H3F3 


F 3,3,3-Trifluoro-1-propene H2C F 
F 

355 C3H3F3O F O 
F 


CH3 F 


356 C3H3F3OS 

O F 

CH3S 
F 

F 357 C3H3F3S H S 
H 


CF3 


H 358 C3H3F5 F3CCF2CH3359 C3H3F6NO CF3 

N 

CH3
O 360 C3H3I H 


I CCC H


H 


361 C3H3N H H 
F3C 


C 

N 
H 362 C3H3NO HC=CCN  H2O 363 C3H3NS 

N 
S 364 C3H3N3 N N 



N Trifluoro(methoxy)ethene 

Trifluoroethanethioic acid S-methyl ester 
[(Trifluoromethyl)thio]ethene 

 1,1,1,2,2-Pentafluoropropane 1,1,1-Trifluoro-N-methoxy-N-(trifluoromethyl)methanamine 
1-Iodo-1,2-propadiene 
2-Propenenitrile 
Cyanoacetylene  water (1/1) 1,3-Thiazole 
1,3,5-Triazine 

Element System C - H- with 4 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
365 C3H4ArN2 


N 
1H-Pyrazole  argon (1/1) .
NH Ar 


366 C3H4ClF H 


H Allene  chlorine fluoride (1/1) .
CCC ClF H


H 367 C3H4ClN 

Cl 2-Chloropropionitrile H3C C 
N 

368 C3H4ClNO 

N O (1E)-1-Chloro-2-nitroso-1-propene Cl CH3 
369 C3H4Cl2O 

O 1,1-Dichloro-2-propanone Cl 
CH3 Cl 370 C3H4Cl2O 
1,3-Dichloro-2-propanone Cl 

Cl 371 C3H4F4O F 1,1,2,2-Tetrafluoroethyl methyl ether F CH3 
372 C3H4N2 NCC=CH  NH3 Cyanoacetylene  ammonia (1/1) 
373 C3H4OS H2C=CH2  OCS Ethene  carbonyl sulfide (1/1) 374 C3H4O2 

O OH 

OH O 
(Z)-3-Hydroxy-2-propenal 
H HH 


H 



375 C3H4O3 O O Acetic formic anhydride 

O 

H
H3C 

Element System C - H- with 5 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
376 C3H5ClO 

Cl 2-(Chloromethyl)oxirane 

O 377 C3H5F3 F 

1,1,1-Trifluoropropane 
CH3F 

F 378 C3H5F3O F 

OH 3,3,3-Trifluoro-1-propanol F 
F 379 C3H5N 
CH3 3-Methyl-2H-azirine 

380 C3H5NO NH2 O (Z)-3-Amino-2-propenal 
381 C3H5NO (E)-1-Nitroso-1-propene 

O 382 C3H5NO 
H3C 


O 2-Nitroso-1-propene N 

CH3 
383 C3H5NO 

O Acrylamide H2C 
H2C 

NH2 384 C3H5NO2 

Isoxazole  water (1/1) 
.


O H2O 

N 




No  Hill Formula  Structure Formula  Name  
385  C3H5O2Re  HC  C  H  Acetylene(methyldioxo)rhenium  
CH3 O O  
386  C3H5P  PH2  2-Propynylphosphine  
H  




Element System C - H- with 6 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
387 C3H6Ar 


. Ar Cyclopropane  argon (1/1) 
388 C3H6ArO 

O Acetone  argon (1/1) . Ar 
H3C 

CH3 389 C3H6ArO 
CH3 Methyloxirane  argon (1/1) . Ar



O 390 C3H6ArO 

Oxetane  argon (1/1) 
.
O Ar 

391 C3H6ArO2 O 1,3-Dioxolane  argon (1/1) . Ar 
392 C3H6ClF 

Cyclopropane  chlorine fluoride (1/1) 
393 C3H6ClNO 


OH (E)-1-Chloro-2-propanone oxime 
N Cl CH3 394 C3H6ClNS H3C S Dimethylcarbamothioyl chloride 


395 C3H6Cl2Si Cl 

Cl Dichloro(ethenyl)methylsilane Si CH2H3C 
396 C3H6Cl2Si 

Cl 1,1-Dichloro-1-silacyclobutane Cl 397 C3H6F2 F 1,2-Difluoropropane F H3C 398 C3H6F2 F 

F 1,3-Difluoropropane 


399 C3H6F2Si 

FF Ethenyldifluoro(methyl)silane Si CH2H3C 
400 C3H6Kr 


. Kr Cyclopropane  krypton (1/1) 




401 C3H6N2O2 CH3 N-Methyl-N-nitroethenamine H2C 

N 


NO2 402 C3H6Ne 

. Ne Cyclopropane  neon (1/1) 
403 C3H6NeO 
CH3 Methyloxirane  neon (1/1) . Ne



O 404 C3H6O 

O 

CH2 Methyl vinyl ether H3C 
405 C3H6OS O (Z)-Propanethial S-oxide H3C 
H 406 C3H6O2S O Methyl mercaptoacetate 
407 C3H6S 


S 
CH2 Methyl vinyl sulfide 
H3C 408 C3H6S 
CH3 Methylthiirane 

S 409 C3H6S2 
SH Thiiranemethanethiol 



S 410 C3H6S2 1,3-Dithiolane 
411 C3H6S3 S 1,3,5-Trithiane 


S 412 C3H6Si H3C C C SiH 3 1-Propynylsilane 





Element System C - H- with 7 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
413 C3H7ClO Cl 

O H 3-Chloro-1-propanol 
414 C3H7ClO 


Oxetane  hydrogen chloride (1/1) 
.
O HCl 
415 C3H7ClS 
Thietane  hydrogen chloride (1/1) 
.
S HCl 
416 C3H7ClSi 


1-Chlorosilacyclobutane 
SiH Cl 

417 C3H7Cl2N H3C 


Cl N,N-Dichloro-2-propanamine N H3C 

Cl 
418 C3H7FO F 

O H 3-Fluoro-1-propanol 
419 C3H7FO 


Oxetane  hydrogen fluoride (1/1) 
.

O HF 420 C3H7FS Thietane  hydrogen fluoride (1/1) 
.

S HF 421 C3H7FSi 
1-Fluorosilacyclobutane 



SiH F 422 C3H7N 

CH3 (E)-N-Ethylidenemethanamine 
N 423 C3H7N 
H3C 



CH3 N-Methylethenamine NH2C 


H 424 C3H7N 


NH2 Cyclopropanamine 425 C3H7N 
Cis-2-Methylaziridine H3C 

H 426 C3H7N 
Trans-2-Methylaziridine H3C 

H 427 C3H7N 

AzetidineNH 
428 C3H7N CH3C=CH  NH3 Propyne  ammonia (1/1) 429 C3H7NO 
Propionamide H3C 

NH2 430 C3H7NO 
OH (E)-Propionaldehyde oxime H3C 

H 431 C3H7NO 
OH Propanone oxime 




CH3 

432 C3H7NO2 

O Lactamide H3C 
H3C 

NH2 OH 433 C3H7NO2 
2-Methoxyacetamide 

NH2 434 C3H7NO2 H2N 

O L-Alanine 
H3C 

H3C 

OH 435 C3H7NO2 
Ethyl carbamate 

CH3 436 C3H7O 
H2N 


CH3 1-Propoxy 
.O 437 C3H7P 

PH2 2-Propenylphosphine H2C 



No  Hill Formula  Structure Formula  Name  
438  C3H8Cl2Si  Chloro(chloromethyl)dimethylsilane  
Cl  
H3C  
439  C3H8FN  CH3  1-Fluoro-N,N-dimethylmethanamine  
NF  
CH3  
440  C3H8N2O  O  Alaninamide  
NH2 H3C  
NH2  
441  C3H8O2  Propan-1,2-diol  
OH  
H3C  
442  C3H8O3  OH  Glycerol  
HO  
443  C3H8S2  H3C S S CH 3  Bis(methylthio)methane  





Element System C - H- with 9 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
444 C3H9AsCl2 Cl Dichlorotrimethylarsorane 
CH3
H3C As

CH3

Cl 

445 C3H9BrSn CH3 Bromotrimethylstannane 

CH3Sn 
Br 


CH3 
446 C3H9ClFN CH3 Trimethylamine  chlorine fluoride (1/1) . ClF

N
H3C



CH3 447 C3H9ClSi 
Chlorotrimethylsilane Cl CH3 

448 C3H9Cl2Ta Cl2Ta(CH3)3 Dichlorotrimethyltantalum(V) 449 C3H9ISn H3C Iodotrimethylstannane H3CSn I H3C 450 C3H9N 
2-Propanamine 

H3C CH3 451 C3H9NO H 2N 

O H 3-Amino-1-propanol 
452 C3H9NO3S (CH3)3N  SO3 N,N-Dimethylmethanamine  sulfur trioxide (1/1) 





No  Hill Formula  Structure Formula  Name  
453  C3H9NO3Si  Si CH3 H3C O H3C NO2  Trimethylsilanol nitrate  
454  C3H9O2Re  H3C CH3 CH3  Trimethyldioxorhenium  
455  C3H9O3P  O H3C  Trimethyl phosphite  
P OO CH3  
CH3  



Element System C - H- with 10 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
456 C3H10FP CH3 Trimethylphosphine  hydrogen fluoride (1/1) 

P 
.HF 

CH3 



457 C3H10N2O2 

O Alaninamide  water (1/1) H3C 
H3C 
NH2 . H2O NH2 

Element System C - H- with 11 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
458 C3H11Cl2NSi2 Cl 


H H 


Cl Bis[chloro(methyl)silyl]methylamine Si 


Si 
N 




CH3 



CH3 459 C3H11NS CH3 Trimethylamine  hydrogen sulfide (1/1) 
H3C . H2S


N 


CH3 460 C3H11NSi H3C 
H3C 


N,N-Dimethyl-1-silylmethanamine N 

SiH3 CH3 
Element System C - H- with 12 Hydrogen Atoms Element System C - O- 
No  Hill Formula  Structure Formula  Name  
461  C3H12AlN  Al(CH3)3  NH3  Trimethylaluminum  ammonia (1/1)  
462  C3H12GaN  (CH3)3N  GaH3  Trimethylamine  gallium trihydride (1/1)  
463  C3H12Si2  H 3Si  
 SiH 3  1,3-Propanediylbissilane  
464  C3H12Si3  SiH2  1,3,5-Trisilacyclohexane  
H2Si  SiH2  

No  Hill Formula  Structure Formula  Name  
465  C3N2O  Carbonyl cyanide  

 
N N  



No  Hill Formula  Structure Formula  Name  
466  C3O3S3  3(OCS)  Carbonyl sulfide trimer  
467  C3O4S2  CO2  2(OCS)  Carbon dioxide  carbonyl sulfide (1/2)  
468  C3O5S  OCS  2(CO2)  Carbonyl sulfide  carbon dioxide (1/2)  
469  C3O6  3(CO2)  Carbon dioxide trimer  

Element System C -Si- 
No Hill Formula Structure Formula Name 
470 C3Si 

C 

Silicon tricarbide Si 

C C 



Molecules containing Four Carbon Atoms Element System C -As- 
No Hill Formula Structure Formula Name 
471 C4As2F12 

F F FF 

Tetrakis(trifluoromethyl)diarsine F 
F As As F 

F 
FFF
F 
Element System C - B- 
No Hill Formula Structure Formula Name 
472 C4BF9O F3C 

Carbonyltris(trifluoromethyl)boron F3C 

BCO F3C 
No Hill Formula Structure Formula Name 
473 C4Cl2F4	Cl 


Cl 1,2-Dichloro-3,3,4,4-tetrafluorocyclobutene F 
F 



F

F 474 C4Cl4N2 Cl 2,4,5,6-Tetrachloropyrimidine Cl 


Cl NN Cl 

Element System C - F- 
No Hill Formula Structure Formula Name 
475 C4F2O3 O O O 3,4-Difluoro-2,5-furandione 


476 C4F6Hg 	F Bis(trifluoroethenyl)mercury 
F 
F 


Hg

F 
F 
F 

477 C4F6NS2	F3C 
4,5-Bis(trifluoromethyl)-1,3,2-dithiazolyl 
N 

F3C 
478 C4F6O4 O F Bis(trifluoroacetyl) peroxide 
FO 

479 C4F9N F F 1,2,2-Trifluoro-N,N-bis(trifluoromethyl)F ethenamine F 
F 480 C4F12N2O 

F 

F N,N'-Oxybis[1,1,1-trifluoro-N
F 


F (trifluoromethyl)methanamine] 

ONF N 
F 



F 


FF 
F 

F
F 
481 C4F12P2 

F F FF 

Tetrakis(trifluoromethyl)diphosphine F 
F PP F 

F 
FFF
F 
No Hill Formula Structure Formula Name 
482 C4HCoO4 HCo(CO)4 Tetracarbonylhydridocobalt 483 C4HF HC=CC=CF Fluorodiacetylene 484 C4HN H 3-Cyano-1,2-propadienylidene 

C 

C 

C 
N 



C: 485 C4HN N 2-Cyano-2-cyclopropen-1-ylidene H
C 
C: 

Element System C - H- with Two Hydrogen Atoms 
No Hill Formula Structure Formula Name 
486 487 
488 489 490 
491 
492 
493 
494 495 
496 C4H2C4H2 
C4H2+C4H2Ar C4H2Cl2N2 
C4H2Cl2N2 
C4H2Cl2N2 
C4H2Cl2N2 
C4H2FeO4C4H2N2 
C4H2N2 HC=CC=CH H 


CC CC: 
H 

H-C=C-C=C-D+Ar  HC=CC=CH Cl 

N 
Cl N Cl 


N 
N Cl 
N 
Cl	NCl Cl 


N 
Cl N H2Fe(CO)4

CH2 

CC 
N 


N N 


N 


C 



C 
1,3-Butadiyne 1,2,3-Butatrienylidene 
 Butadiyne-d1 cation 1,3-Butadiyne  argon (1/1) 3,6-Dichloropyridazine 
2,5-Dichloropyrimidine 
2,6-Dichloropyrazine 
4,6-Dichloropyrimidine 
Tetracarbonyldihydroiron 1,1-Dicyanoethene 
(2Z)-2-Butenedinitrile 

497 C4H2O2S2 HC=CH  2(OCS) Acetylene  carbonyl sulfide (1/2) 
498 C4H2O4Os H2Os(CO)4 Tetracarbonyldihydridoosmium 499 C4H2O4Ru H2Ru(CO)4 Tetracarbonyldihydroruthenium 500 C4H2S 

S 
Ethynyl sulfide C 

C 
C 
C 
H 


H 
Element System C - H- with 3 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
501 C4H3ClN2 

N Chloropyrazine 
N Cl 502 C4H3N H3CC C N C 1-Propynyl isocyanide 503 C4H3NO2 

N 
Isoxazole  carbon monoxide (1/1) 

O .CO 





Element System C - H- with 4 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
504 
505 
506 507 508 
509 
510 C4H4ArN2 
C4H4ArN2 
C4H4ClFO C4H4ClFS C4H4F2 
C4H4F2 
C4H4N2 


Pyridazine  argon (1/1) . Ar
N 
N N Pyrimidine  argon (1/1) . Ar N Furan  chlorine fluoride (1/1) 


.
O ClF 



Thiophene  chlorine fluoride (1/1) 
.
S ClF 


(E,Z)-1,4-Difluoro-1,3-butadiene F F Trans-3,4-Difluorocyclobutene 

F
N Pyrimidine 

N 

511 C4H4N2Ne N Pyrimidine  neon (1/1) . Ne 
N 


512 C4H4O2 


1,4-Dioxin O 



O 


513 C4H4O2S2 H 

H Ethene  carbonyl sulfide (1/2) .2OC S HH 
514 C4H4S Thiophene 

S 515 C4H4SSe 

S 1,2-Thiaselenin Se 

516 C4H4S2 


1,2-Dithiin S S 

517 C4H4Se2 


Se 1,2-Diselenin Se 


Element System C - H- with 5 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
518 C4H5BrO 519 C4H5ClS 520 C4H5FO 521 C4H5FS 522 C4H5NS 
O . HBr  Furan  hydrogen bromide (1/1)  
S . HCl  Thiophene  hydrogen chloride (1/1)  
O . HF  Furan  hydrogen fluoride (1/1)  

 S  . HF  Thiophene  hydrogen fluoride (1/1)  
N  2-Methylthiazole  
S  CH3  


Element System C - H- with 6 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
523 C4H6ArO 


2,3-Dihydrofuran  argon (1/1) 
O .Ar 

524 C4H6ArO 
2,5-Dihydrofuran  argon (1/1) 


O .Ar 

525 526 527 528 529 
530 
531 532 
533 
534 
535 
536 537 
538 
539 
540 C4H6ArO C4H6ClF C4H6ClF C4H6ClFO C4H6ClO2P 
C4H6F2 C4H6KrO C4H6N2O 
C4H6N2O 
C4H6N2O 
C4H6N2O2 
C4H6NeO C4H6O 
C4H6O C4H6O C4H6OS 

No Hill Formula Structure Formula Name 
Cyclobutanone  argon (1/1) 
1,3-Butadiene  chlorine fluoride (1/1) 
Methylenecyclopropane  chlorine fluoride (1/1) 
2,5-Dihydrofuran  chlorine fluoride (1/1) 
2-Chloro-4,5-dimethyl-2H-1,3,2-
dioxaphospholene 

1,1-Difluorocyclobutane 
2,5-Dihydrofuran  krypton (1/1) Pyridazine  water (1/1) 
Pyrimidine  water (1/1) 
Pyrazine  water (1/1) 
2,5-Dioxopiperazine 
2,5-Dihydrofuran  neon (1/1) 3-Butyn-1-ol 
3,4-Epoxybut-1-ene 
2,5-Dihydrofuran 
Thiolan-3-one 

H2C 

H3C
H3C




N 


N
N




N 
O 



C 
H 
O 

S 
541 C4H6O2 
2,2'-Bioxirane 

O	

O 

.
O Ar CH2 


. ClF CH2 . ClF 

O . ClF 



O 

P Cl 

O
F
F
.

O Kr 


. H2O N N 

. H2O 

. H2O H
O

N N


H 


O	.Ne OH 

C CH2 



O O 








542 C4H6O2S 

O O Ethanethioic acid anhydrosulfide H3C 
S 



CH3 543 C4H6O3 

O O Acetic anhydride H3C 
O 


CH3 
544 C4H6O4Sn 

O 

O Tin(II) acetate H3C 
Sn CH3 OO 

Element System C - H- with 7 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
545  C4H7ArCl  
546  C4H7Br  
547  C4H7BrO  
548  C4H7Cl  
549  C4H7ClO  
550  C4H7FO  
551  C4H7F3Si  
552  C4H7F3Si  
553  C4H7N  
554  C4H7N  



Chlorocyclobutane  argon (1/1) 
.

Cl Ar CH2 . HBr Methylenecyclopropane  hydrogen bromide (1/1) 2,5-Dihydrofuran  hydrogen bromide (1/1) 

O	. HBr
Cl (Chloromethyl)cyclopropane 





Cyclobutanone  hydrogen chloride (1/1) 
.

O HCl 2,5-Dihydrofuran  hydrogen fluoride (1/1) 
.
O	HF 


F (Cyclopropylmethyl)trifluorosilane 
Si 



F 
F 



F Cyclobutyltrifluorosilane 
Si F
F
N Butanenitrile 




C 

H3C 2,5-Dihydro-1H-pyrrole 


NH 


Element System C - H- with 8 Hydrogen Atoms 
No  Hill Formula  Structure Formula  Name  
555  C4H8ArO  O . Ar  Tetrahydrofuran  argon (1/1)  
556  C4H8ArS  S . Ar  Tetrahydrothiophene  argon (1/1)  



557 C4H8Cl2 1,1-Dichlorobutane 
Cl CH3 
558 C4H8N2O2 1-Nitropyrrolidine 
559 C4H8O 3-Buten-1-ol 
OH 

560 C4H8O OH 3-Buten-2-ol H2C 

CH3 
561 C4H8O CH3 (Z)-1-Methoxy-1-propene O 
H3C 562 C4H8O 

CH3 2,2-Dimethyloxirane CH3



O 563 C4H8O 



Tetrahydrofuran O 564 C4H8OS OH 3-Hydroxytetrahydrothiophene 




565 C4H8O2 CH2 1,1-Dimethoxyethene 
566 C4H8O2 H3C O 


O CH3 (Z)-1,2-Dimethoxyethene 567 C4H8O2 

OH 3-Hydroxytetrahydrofuran 




O 568 C4H8S H3C 
CH3 Trans-2,3-Dimethylthiirane 

S 569 C4H8S 
Tetrahydrothiophene 
570 C4H8Se 
Tetrahydroselenophene 
571 C4H8Si2 


1,4-Disilacyclohexa-2,5-diene 
H2Si 


SiH2 




No Hill Formula Structure Formula Name 
572 
573 
574 575 
576 
577 578 579 
580 581 582 583 
584 
585 586 587 C4H9Br 
C4H9Br 
C4H9Cl C4H9Cl 
C4H9Cl 
C4H9ClO 
C4H9ClS 

C4H9Cl6PSi2 
C4H9FO C4H9FO C4H9FS C4H9N 
C4H9N 
C4H9N C4H9N C4H9NO 
Br CH3H3C 



CH3H3C H3C 
Br 


Cl Cl CH3 
H3C 

H3C 
CH3

H3C H3C 
Cl 


O . HCl 


.
S HCl 


Cl Cl Cl 
Si CH3 P CH3 Cl 
Si CH3 Cl Cl 

OH 
F 


O .HF 

.
S HF 



CH3
N CH3 H2C 



H 
N H3C 


CH3 

NH2 

NH 

O 


CH3N CH3 H3C 2-Bromobutane 

t-Butyl bromide 
1-Chlorobutane 2-Chlorobutane 
t-Butyl chloride 

Tetrahydrofuran  hydrogen chloride (1/1) 
Tetrahydrothiophene  hydrogen chloride (1/1) 
(t-Butyl)bis(trichlorosilyl)phosphine 

4-Fluoro-1-butanol 
Tetrahydrofuran  hydrogen fluoride (1/1) 
Tetrahydrothiophene  hydrogen fluoride (1/1) 
N,N-Dimethylethenamine 

(2E)-2-Butanimine 

Cyclobutylamine 
Pyrrolidine 
N,N-Dimethylacetamide 


No  Hill Formula  Structure Formula  Name  
588  C4H9NO  N OH  (E)-Butyraldehyde oxime  
H3C H  
589  C4H9NO  CH3  1-(Methoxymethyl)aziridine  
590  C4H9NO  O  Morpholine  
NH  
591  C4H9N3  CH3 NH3C H3C N N  2-Azido-2-methylpropane  



Element System C - H- with 10 Hydrogen Atoms 
No  Hill Formula  Structure Formula  Name  
592  C4H10ArO  Butan-2-ol  argon (1/1)  
H3C  . ArCH3  



593 C4H10FO2P 	O CH3 Methylphosphonofluoridic acid isopropyl ester P 



O 
CH3H3C F 
594 C4H10O 

OH 2-Butanol CH3
H3C 595 C4H10O 

. CH3OH Cyclopropane  methanol (1/1) 
596 C4H10OS 


Tetrahydrothiophene  water (1/1) 

S . H2O 
597 C4H10O3 


O 

1,4-Dioxane  water (1/1) 
. H2O O 598 C4H10O3 

OH 3-Hydroxytetrahydrofuran  water (1/1) . H2O O 599 C4H10S H3C 



CH3 Diethyl sulfide


600 C4H10S 

CH3 2-Methyl-2-propanethiol CH3 HS CH3 
No  Hill Formula  Structure Formula  Name  
601  C4H11NO  NH . H2O  Pyrrolidine  water (1/1)  
602  C4H11NO2  NH O  . H2O  Morpholine  water (1/1)  
603  C4H11P  PCH2 H3C H3C H3C  Methylenetrimethylphosphorane  

Element System C - H- with 12 Hydrogen Atoms 
No Hill Formula Structure Formula Name 
604 C4H12GeO4 


CH3 Tetramethoxygermane 
H3C 
O O Ge O O 
CH3 
H3C 



O
605 C4H12OSb2 H3C 


CH3 Bis(dimethylstibino) oxide 

Sb 



Sb CH3 CH3 





O 

O
. 


Dimethyl ether dimer 606 C4H12O2 H3C 
CH3 H3C 


CH3 

S
607 C4H12SSb2 H3C 


CH3 Thiobis[dimethylstibine] 

Sb 



Sb CH3 CH3 




608 C4H12Sb2 (CH3)2SbSb(CH3)2 Tetramethyldistibine 

Se 
609 C4H12Sb2Se H3C 


CH3 Bis(dimethylstibino)selane 

Sb 



Sb CH3 CH3 



CH3 Tellurobis[dimethylstibine] 

Sb 
Sb CH3 CH3 





Te 
610 C4H12Sb2Te H3C 
611 C4H12Si CH3 Tetramethylsilane 
Si 
CH3H3C 
CH3 
No Hill Formula Structure Formula Name 
612 C4H13BN2 H N,N,N',N'-Tetramethylboranediamine H3C 


B 

CH3

N 

N CH3 CH3 





613 C4H13NO CH3 N,N-Dimethylmethanamine  methanol (1/1) 

N 
. CH3OH
H3C

CH3 

Element System C - H- with 14 Hydrogen Atoms 
No Hill Formula Structure Formula Name 


614 C4H14Al2 H Di--hydrotetramethyldialuminum 
615 C4H14N2Si2 N,N-Dimethyl-1-aza-2,5-disilacyclopentan-1
H2Si 




SiH2 amine 

N
N



CH3H3C 
Element System C -Si- 
No Hill Formula Structure Formula Name 
616 C4Si C=C=C=C=Si 5-Silapenta-1,2,3,4-tetraene-1,5-diylidene 

