70.05354
|
320.000
|
335.232
|
±3.
|
55.908
|
269.008
|
11.629
|
#
|
CH2O polyoxymethylene Solid c
|
30.02598
|
-170.875d
|
|
±0.21d
|
|
|
|
X
|
CH2O Paraformaldehyde Cr c
|
30.02598
|
-179.2
|
|
±1.6d
|
|
|
|
X
|
CH2O FORMALDEHYDE
|
30.02598
|
-109.16
|
-105.322
|
±0.11
|
35.388
|
218.764
|
10.020
|
#†
|
H2CO+ Formaldehyde cationed
|
30.02543
|
948.386
|
945.814
|
±0.13d
|
38.241
|
225.544
|
10.237
|
#
|
H2CO- Formaldehyde anion
|
30.02653
|
-33.9d
|
-24.0d
|
±2.2d
|
37.190
|
232.186
|
10.155
|
#
|
HCOH trans HydroxyMethylene
|
30.02598
|
108.16d
|
111.93
|
±0.43
|
36.066
|
225.212
|
10.059
|
#
|
HCOH cis HydroxyMethylene
|
30.02598
|
126.63
|
130.37
|
±0.44
|
36.260
|
225.393
|
10.075
|
#
|
HCOH triplet d
|
30.02598
|
216.0d
|
219.1d
|
±1.4d
|
39.242
|
236.235
|
10.316
|
#
|
HCOH+ equil.
|
30.02543
|
974.79
|
972.268
|
±1.48
|
37.716
|
229.514
|
10.186
|
#
|
HCOH- equilc HydroxyMethylene
|
30.02653
|
139.19
|
148.443
|
±1.71
|
43.163
|
236.846
|
10.806
|
#
|
HCOH- trans d
|
30.02653
|
151.5d
|
153.4d
|
±1.8d
|
|
|
|
X
|
HCOH+ cisd
|
30.02543
|
989.5d
|
986.9d
|
±1.8d
|
|
|
|
X
|
HCOH- cis c
|
30.02653
|
153.47
|
161.6d
|
±1.9d
|
|
|
|
X
|
H2OC singlet Aquacarbon
|
30.02598
|
467.5d
|
470.2d
|
±2.4d
|
|
|
|
X
|
H2OC triplet Aquacarbon
|
30.02598
|
439.5d
|
441.4d
|
±2.1d
|
|
|
|
X
|
CH2OS O=CH-SH
|
62.09198
|
-123.54
|
-117.365
|
±8.
|
53.189
|
270.982
|
12.102
|
#
|
CH2SO S=CH-OH
|
62.09198
|
-95.977
|
-89.118
|
±8.
|
49.121
|
260.825
|
11.415
|
#
|
HCOOH (liq) c
|
46.02538
|
-425.29d
|
-432.13d
|
±0.24d
|
99.161
|
128.951
|
|
|
HCOOH FORMIC ACID equil.
|
46.02538
|
-378.49
|
-371.196
|
±0.25
|
41.305
|
247.148
|
10.928
|
†
|
HCOOH FORMIC ACID syn
|
46.02538
|
-378.51
|
-371.19
|
±0.25
|
44.156
|
248.287
|
10.764
|
#
|
HCOOH FORMIC ACID anti
|
46.02538
|
-362.10
|
-354.86
|
±0.41
|
45.523
|
249.035
|
10.974
|
#
|
HCOOH+ FORMIC ACID anti
|
46.0248
|
722.5d
|
723.3d
|
±1.4d
|
|
|
|
X
|
HCOOH- FORMIC ACID syn
|
46.02593
|
-267.1d
|
-254.7d
|
±2.3d
|
52.768
|
264.607
|
12.322
|
#
|
H2COO Dioxymethyl
|
46.02538
|
106.3d
|
113.4d
|
±1.2d
|
47.169
|
249.361
|
11.090
|
#
|
H2COO+d
|
46.02483
|
1075.2d
|
1075.8d
|
±1.9d
|
47.660
|
256.228
|
11.271
|
#
|
H2COO- c
|
46.02593
|
45.03
|
57.1d
|
±2.4
|
43.256
|
255.365
|
10.695
|
0#
|
H2C(O-O) Dioxirane (cyclo)
|
46.02538
|
1.61
[1.3]d
|
9.362
[9.0]d
|
±1.14
|
41.778
|
240.562
|
10.450
|
#
|
H2C(O-O)+ Dioxirane cation (cycl)
|
46.02483
|
1049.93
|
1051.367
|
±2.13
|
42.799
|
246.502
|
10.567
|
#
|
H2C(O-O)- Dioxirane anion (cy)
|
46.02593
|
-184.12
|
-170.416
|
±3.8
|
43.256
|
249.601
|
10.695
|
#
|
H2CS
|
46.09258
|
114.951
|
118.676
|
±8.
|
38.196
|
231.186
|
10.209
|
#
|
H2CS2 S=CH-SH
|
78.15858
|
113.817
|
119.588
|
±8.
|
56.137
|
276.474
|
12.575
|
#
|
CH3
|
15.03452
|
146.7
|
150.0
|
±0.08d
|
38.417
|
194.008
|
10.366
|
#
|
CH3+
|
15.03397
|
1101.792
|
1099.37
|
±0.077
|
34.749
|
186.827
|
9.983
|
#
|
CH3-
|
15.03507
|
144.4d
|
154.354
|
±1.11
|
34.938
|
193.515
|
9.999
|
#
|
CH3Brc (liq)
|
94.93852
|
-59.78
|
-56.77d
|
±0.187
|
|
|
|
X
|
CH3Br <~>
|
94.93852
|
-36.443
|
-21.034
|
±0.18d
|
42.312
|
245.954
|
10.607
|
#
|
CH3Br+
|
94.93797
|
987.41
|
995.72
|
±0.2
|
48.635
|
250.568
|
11.508
|
#
|
CH3Cl (liq)dd
|
50.48722
|
-102.38d
|
-106.35d
|
±0.2
|
|
|
|
X
|
CH3CL <^~>
|
50.48722
|
-81.87
|
-73.94
|
±0.6
|
40.741
|
234.396
|
10.416
|
†
|
CH3Cl+c
|
50.48667
|
1012.6
|
1014.15
|
±0.2
|
42.293
|
240.874
|
10.599
|
#
|
CH3F FC-41 (liq)c
|
34.03292
|
-246.78d
|
|
±0.51d
|
|
|
|
X
|
CH3F FC-41 <~>
|
34.03292
|
-236.577
|
-228.544
|
±0.3
|
37.505
|
222.826
|
10.135
|
#†
|
CH3F+
|
34.03237
|
979.4
|
980.8
|
±0.64
|
42.408
|
229.921
|
10.563
|
#
|
CH3PF2=O
|
100.00448
|
-984.9
|
-969.55
|
±8.
|
86.928
|
305.191
|
16.917
|
#
|
CH3PF2=O+ (5 elements – e+)
|
100.00394
|
128.332
|
142.7
|
±8.
|
90.369
|
317.498
|
17.856
|
X
|
CH3Hg Methyl Mercury
|
215.62452
|
188.28
|
200.21
|
±8.4
|
46.073
|
260.58
|
11.165
|
#
|
CH3Ia (liq)
|
141.93899
|
-12.220d
|
|
±0.19
|
|
|
|
X
|
CH3I Methyl Iodide <~>
|
141.93899
|
14.30
|
24.46d
|
±0.17d
|
44.084
|
253.007
|
10.816
|
†#
|
CH3I+
|
141.93844
|
941.1d
|
944.75d
|
±0.17
|
44.946
|
260.267
|
10.952
|
#
|
CH3N (H2C=NH)Methyleneimine
|
29.04126
|
88.701
|
96.616
|
±1.
|
38.084
|
221.567
|
10.176
|
#
|
CH3N+ (H2C=NH)+
|
29.04071
|
1055.02
|
1055.988
|
±2.06
|
45.222
|
235.558
|
10.925
|
#
|
CH3N- (H2C=NH)- c
|
29.04181
|
215.20d
|
228.7d
|
±2.5d
|
|
|
|
X
|
HCNH2 Aminomethylene
|
29.04126
|
238.9d
|
246.6d
|
±1.7d
|
45.152
|
240.492
|
10.960
|
#
|
HCNH2+
|
29.04071
|
1039.34
|
1040.83
|
±2.6d
|
40.741
|
233.121
|
10.399
|
#
|
HCNH2- radical anion
|
29.04181
|
343.96
|
357.252
|
±2.6d
|
45.799
|
239.141
|
10.996
|
#
|
CH3N Methyl-N Radical
|
29.04126
|
316.0d
|
323.8d
|
±1.6d
|
39.990
|
226.694
|
10.330
|
#
|
H3CN+ Methylaminyliumyl quartet
|
29.04071
|
1477.4d
|
1478.4d
|
±2.6d
|
43.922
|
236.484
|
10.835
|
#
|
H3CN-
|
29.04181
|
308.4d
|
322.3d
|
±1.8d
|
40.459
|
226.984
|
10.394
|
#
|
CH3NO NITROSOMETHYL
|
45.04096
|
70.760
|
80.677
|
±8.
|
50.807
|
261.418
|
12.514
|
#
|
OCHNH2 FORMAMIDE
|
