II.A.3. (XII.A.1.) |
Listing of experimental geometry data for CH2- (methylene anion)
Rotational Constants (cm-1)
See section I.F.4 to change rotational constant units
A | B | C |
---|---|---|
73.05775 | 8.41517 | 7.21927 |
Calculated rotational constants for CH2- (methylene anion).
Point Group D∞h
Internal coordinates
(distances (r) in Å) (angles (a) in degrees) (dihedrals (d) in degrees)Description | Value | Connectivity | Reference | Comment | |||
---|---|---|---|---|---|---|---|
Atom 1 | Atom 2 | Atom 3 | Atom 4 | ||||
rCH | 1.085 | 1 | 2 | 1998Kuc | r0 value | ||
aHCH | 135.5 | 2 | 1 | 3 | 1998Kuc | a0 value |
Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type | Count |
---|---|
H-C | 2 |
Atom | x (Å) | y (Å) | z (Å) |
---|---|---|---|
C1 | 0.0000 | 0.0000 | 0.1027 |
H2 | 0.0000 | 1.0042 | -0.3081 |
H3 | 0.0000 | -1.0042 | -0.3081 |
Atom - Atom Distances (Å)
C1 | H2 | H3 | |
---|---|---|---|
C1 | 1.0850 | 1.0850 | |
H2 | 1.0850 | 2.0084 | |
H3 | 1.0850 | 2.0084 |
Calculated geometries for CH2- (methylene anion).
References
By selecting the following links, you may be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to cccbdb@nist.gov.
By selecting the following links, you may be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to cccbdb@nist.gov.
squib | reference | DOI |
---|---|---|
1982Sea/Bun:5348 | Sears, T.J.; Jennings, D.A.; Brown, J.M. "The rotational spectrum and hyperfine structure of the methylene radical CH2 studied by far-infrared laser magnetic resonance spectroscopy." Journal of Chemical Physics. 77, 5348-5362 (1982) | 10.1063/1.443783 |
1998Kuc | K Kuchitsu(ed) "Structure of Free Polyatomic Molecules - Basic Data" Springer, Berlin, 1998 | 10.1007/978-3-642-45748-7 |
Got a better number? Please email us at
cccbdb@nist.gov
Browse | |
---|---|
Previous | Next |