|
|
X
|
C4H6O4 HOOC-CH2CH2-COOHd
|
118.08804
|
-817.729
|
-794.955
|
±0.59
|
124.337
|
424.442
|
24.204
|
#
|
C4H6O4 CH3-CO-OO-CO-CH3
|
118.08804
|
-500.
|
-477.02
|
±10
|
122.291
|
390.682
|
23.944
|
#
|
C4H6S C2H3-S-C2H3
|
86.15644
|
166.580
|
180.989
|
±8.
|
96.832
|
348.299
|
19.706
|
#
|
2,5 C4H6S Dihydrothiophene
|
86.15644
|
85.872
|
104.666
|
±8.
|
80.794
|
295.466
|
15.237
|
#
|
C4H7 tt-1-Butene-1-yl <~>
|
55.09838
|
245.871
|
262.755
|
±8.
|
83.705
|
311.281
|
16.968
|
#
|
C4H7 cc-1-Butene-1-yl <~>
|
55.09838
|
|
264.85
|
±8.
|
|
|
|
X
|
C4H7 trans 1-Butene-2-yl
|
55.09838
|
231.162
|
248.45
|
±8.
|
83.973
|
300.371
|
16.425
|
#
|
C4H7 cis 1-Butne-2-yl
|
55.09838
|
|
248.11
|
±8.
|
|
|
|
X
|
C4H7 trans-2-Butene-2-yl
|
55.09838
|
223.853
|
239.743
|
±8.
|
83.237
|
313.256
|
17.962
|
#
|
C4H7 cis-2-Butene-2-yl
|
55.09838
|
|
243.09
|
±8.
|
|
|
|
X
|
C4H7 trans 3-Butene 1-yl Rad.
|
55.09838
|
204.595
|
220.915
|
±8.
|
84.719
|
317.348*
|
17.533
|
#
|
C4H7 cis 3-Butene-1-yl Radical
|
55.09838
|
|
223.01
|
±8.
|
-
|
-
|
|
X
|
C4H7 trans (CH2=CH*CHCH3)
|
55.09838
|
136.111
|
153.553
|
±8
|
80.787
|
306.087*
|
16.411
|
#
|
C4H7 cis –1-Methylallyl Radical
|
55.09838
|
|
156.48
|
±8.
|
|
|
|
X
|
C4H7 2-Methyl-Allyl Radical
|
55.09838
|
137.603
|
155.226
|
±5.
|
82.196
|
300.803
|
16.229
|
#
|
C4H7 Cyclobutyl Radical
|
55.09838
|
230.306
|
249.366
|
±8.
|
73.070
|
286.490
|
14.792
|
#
|
C4H7N C3H7CN Propylcyanide
|
69.10512
|
31.200
|
51.765
|
±8.
|
91.422
|
310.996
|
17.622
|
#
|
C4H7N3O9 liq NO3CH2CH(NO3)CH2CH2NO3
|
241.11320
|
-414.
|
|
|
|
|
|
X
|
C4H7N3O9 gas NO3CH2CH(NO3)CH2CH2NO3
|
241.11320
|
-361.7
|
-318.32
|
|
218.793
|
580.703
|
42.538
|
#
|
C4H7O *CH2CH2CH2CH=O
|
71.09778
|
2.494
|
21.652
|
±8.
|
96.363
|
368.530
|
19.034
|
#
|
C4H7O CH3*CHCH2CH=O
|
71.09778
|
-12.510
|
5.510
|
±8.
|
101.188
|
356.878
|
20.172
|
#
|
C4H7O CH3CH2CH2*C=O
|
71.09778
|
-51.313
|
-32.787
|
±8.
|
97.923
|
352.974
|
19.666
|
#
|
C4H7O C2H5C(O)CH2*
2-Butanone
|
71.09778
|
-56.233
|
-36.974
|
±8
|
100.468
|
344.546
|
18.934
|
#
|
C4H7O 2-Butanone Radical
|
71.09778
|
-75.994
|
-57.670
|
±8.
|
97.420
|
344.655
|
19.868
|
#
|
C4H7O CH2=C(CH3)CH2O*
|
71.09778
|
55.748
|
75.378
|
±8.
|
96.143
|
334.259
|
18.562
|
#
|
C4H7O2 CH3CH2CH2C(O)O*
|
87.09718
|
-234.007
|
-212.646
|
±8.
|
103.763
|
378.873
|
21.172
|
#
|
C4H7O2 *CH2CH2C(O)OCH3
|
87.09718
|
-229.166
|
-208.651
|
±8.
|
111.373
|
376.723
|
22.018
|
#
|
C4H7O2 CH3C(O)OCH2CH2*
|
87.09718
|
-236.773
|
-216.138
|
±8.
|
108.389
|
381.911
|
21.898
|
#
|
C4H7O2 CH2=CHCH2CH2OO*
|
87.09718
|
60.66
|
82.05
|
|
106.957
|
372.450
|
21.145
|
#
|
C4H8 CH2=CH-CH2-CH3 <~>
|
56.10632
|
-0.031
|
20.819
|
±0.47
|
85.601
|
305.372
|
17.236
|
#†
|
H8C4 CH2=C(CH3)2 Isobutene<~>
|
56.10632
|
-17.574
|
3.46d
|
±0.52
|
86.018
|
287.454
|
16.220
|
#†
|
C4H8 2-Butene trans
|
56.10632
|
-11.185
|
9.391
|
±0.5
|
87.670
|
296.330
|
17.510
|
†
|
C4H8 2-Butene cis
|
56.10632
|
-7.340
|
13.946
|
±0.52
|
80.150
|
301.310
|
16.800
|
†
|
C4H8 CYCLOBUTANE <~>
|
56.10632
|
28.4
|
52.889
|
|
72.096
|
259.083
|
13.597
|
#†
|
C4H8CL2S Mustard
|
159.07772
|
-124.77
|
-100.66
|
|
136.283
|
420.586
|
27.569
|
#
|
Beta HMX solid
|
296.15664
|
74.894
|
|
|
307.302
|
320.0
|
|
|
C4H8N8O8 HMX
|
296.15664
|
187.862
|
245.304
|
±25.1
|
275.455
|
568.833
|
50.045
|
|
C4H8O Cyclobutanol cyC4H7OH
|
72.10572
|
-145.126
|
-119.188
|
±8.
|
91.517
|
295.917
|
16.489
|
#
|
C4H8O 2-Methyl-Allyl Alcohol
|
72.10572
|
-161.143
|
-137.34
|
±8
|
100.007
|
316.183
|
18.622
|
#
|
C4H8O n-Butanal
|
72.10572
|
-206.137
|
-182.183
|
±8.
|
95.543
|
327.343
|
18.473
|
#
|
C4H8O 2-BUTANONE
|
72.10572
|
-239.973
|
-218.121
|
±8.
|
101.003
|
340.043
|
20.754
|
#
|
H8C4O 2,3-Dimethyloxyrane
|
72.10572
|
-137.658
|
-113.00
|
±8.
|
95.471
|
303.780
|
17.777
|
#
|
OC4H8 ETHYL-OXYRANE
|
72.10572
|
-115.960
|
-91.115
|
±8
|
91.134
|
316.499
|
17.582
|
#
|
C4H8O Tetrahydrofuran, Oxolan
|
72.10572
|
-182.498
|
-155.522
|
±8
|
78.225
|
302.550
|
15.450
|
#
|
C4H8O2 (liq) Butyric acid
|
88.10512
|
-533.92
|
|
±0.59
|
|
|
|
X
|
C4H8O2 Butyric acid
|
88.10512
|
-455.780
|
-429.750
|
±8.
|
102.582
|
367.660
|
20.736
|
#
|
C4H8O2 Methyl Propionate
|
88.10512
|
-437.291
|
-412.905
|
±8.
|
107.873
|
375.707
|
22.381
|
#
|
C4H8O2 Ethyl Acetate
|
88.10512
|
-448.550
|
-424.136
|
±8.
|
107.786
|
377.409
|
22.352
|
#
|
C4H8O2 1,4 DIOXANE
|
88.10512
|
-295.068
|
-265.482
|
±8.
|
91.821
|
304.207
|
17.180
|
#
|
C4H8O2 1-Peroxy-3-Butene
|
88.10512
|
-76.237
|
-50.932
|
±8.
|
11.779
|
363.541
|
21.461
|
#
|
(CH3COOH)2 Acetic Acid dimer
|
120.1048
|
-929.015
|
-901.62
|
|
137.254
|
414.396
|
28.053
|
†
|
C4H8O4 Tetraoxocan
|
120.10392
|
-635.474
|
-600.627
|
±8
|
115.259
|
326.918
|
20.599
|
#
|
C4H8S Tetrahydrothiophen
|
88.17232
|
-30.702
|
-4.196
|
±8.
|
87.38
|
300.156
|
15.993
|
#
|
1,4-C4H8S2 Dithiane
|
120.23832
|
20.635
|
48.493
|
±8.
|
109.655
|
326.500
|
19.053
|
#
|
1,3-C4H8S2 Dithiane
|
120.23832
|
4.945
|
32.593
|
±8.
|
110.433
|
333.844
|
19.263
|
#
|
C4H9,n-Butyl Radical <~>
|
57.11426
|
81.80
|
105.91
|
±8.
|
94.555
|
307.628
|
19.797
|
#†
|
i-C4H9 iso-Butyl Radical <~>
|
57.11426
|
73.785
|
97.92
|
±8.
|
98.111
|
304.662
|
18.063
|
#
|
s-C4H9 sec-Butyl Radical <~>
|
57.11426
|
70.224
|
94.945
|
±8.
|
86.395
|
327.417
|
17.538
|
#
|
C4H9,t-Butyl Radical <~>
|
57.11426
|