return to home page

II.A.1. (XV.A.)

Listing of experimental data for ND2 (Amidogen-d2)

Other names
Amidogen-D2;
INChI SMILES IUPAC name
InChI=1/H2N/h1H2/i1D2 [N]([2H])[2H]
State Conformation
2B1 C2V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation 185.35 8.40 kJ mol-1 JANAF
Hfg(0K) enthalpy of formation 188.28 8.40 kJ mol-1 JANAF
Entropy (298.15K) entropy 204.29   J K-1 mol-1 JANAF
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 9.98   kJ mol-1 JANAF
Heat Capacity (298.15K) heat capacity 34.42   J K-1 mol-1 JANAF
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency (cm-1) Frequency Reference Intensity (km mol-1) Int. unc. Intensity Reference Comment
2 A' 1109 webbook      

Calculated vibrational frequencies for ND2 (Amidogen-d2).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
13.34236 6.48776 4.28997 1997Mor/Ken:428

Calculated rotational constants for ND2 (Amidogen-d2).

Product of moments of inertia moments of inertia
12.90054amu3Å6   5.90712043223762E-119gm3 cm6

Geometric Data
picture of Amidogen-d2

Point Group C2v

Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4

Cartesians
Atom x (Å) y (Å) z (Å)
N1 0.0000 0.0000 0.0000
H2 0.0000 0.8036 0.6347
H3 0.0000 -0.8036 0.6347

Atom - Atom Distances bond lengths
Distances in Å
  N1 H2 H3
N1   1.02401.0240
H2 1.0240   1.6072
H3 1.02401.6072  

Calculated geometries for ND2 (Amidogen-d2).

Experimental Bond Angles (degrees) from cartesians bond angles
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
H2 N1 H3 103.400

Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
D-N 2

Connectivity
Atom 1 Atom 2
N1 H2
N1 H3

Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 2   2B1

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
11.450 0.010     webbook

Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
Calculated electric dipole moments for ND2 (Amidogen-d2).
Electric quadrupole moment quadrupole
Calculated electric quadrupole moments for ND2 (Amidogen-d2).

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.
squib reference DOI
1997Mor/Ken:428 Morino, I.; Kawaguchi, K. "Fourier Transform Far-Infrared Spectroscopy of the NH2, NHD, and ND2 Radicals." Journal of Molecular Spectroscopy. 182, 428-438 (1997) 10.1006/jmsp.1996.7221
JANAF Chase, M.W., Jr.; Davies, C.A.; Downey, J.R., Jr.; Frurip, D.J.; McDonald, R.A.; Syverud, A.N., JANAF Thermochemical Tables (Third Edition), J. Phys. Chem. Ref. Data,Suppl. 1, 1985, 14, 1.  
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)  

Got a better number? Please email us at cccbdb@nist.gov


Browse
PreviousNext