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Experimental data for CH3NCO (methylisocyante)

22 02 02 11 45
Other names
Isocyanatomethane; Methane, isocyanato-;
INChI INChIKey SMILES IUPAC name
1S/C2H3NO/c1-3-2-4/h1H3 HAMGRBXTJNITHG-UHFFFAOYSA-N CN=C=O
State Conformation
1A' Cs
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 A' 3042   webbook      
2 A' 2968          
3 A' 2263          
6 A' 1213          
7 A' 1112          
8 A' 883          
11 A" 3017          
12 A" 1462          

Calculated vibrational frequencies for CH3NCO (methylisocyante).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook here.
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment

Calculated rotational constants for CH3NCO (methylisocyante).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of methylisocyante

Point Group Cs


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)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for CH3NCO (methylisocyante).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 3
C-N 1
C=N 1
C=O 1

Connectivity
Atom 1 Atom 2
C1 N2
C1 H5
C1 H6
C1 H7
N2 C3
C3 O4
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A'
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