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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: M06-2X/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-311G*
 hartrees
Energy at 0K-132.656461
Energy at 298.15K-132.658719
HF Energy-132.656461
Nuclear repulsion energy59.525736
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at M06-2X/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3581 3581 17.86      
2 A' 3504 3504 83.32      
3 A' 2290 2290 101.97      
4 A' 1694 1694 40.62      
5 A' 1092 1092 15.05      
6 A' 678 678 253.45      
7 A' 522 522 111.47      
8 A' 454 454 8.94      
9 A" 3668 3668 31.05      
10 A" 1230 1230 0.14      
11 A" 726 726 38.33      
12 A" 391 391 8.71      

Unscaled Zero Point Vibrational Energy (zpe) 9914.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9914.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at M06-2X/6-311G*
ABC
10.20788 0.31273 0.30615

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.040 1.362 0.000
C2 0.000 0.163 0.000
N3 0.115 -1.187 0.000
H4 -0.085 2.424 0.000
H5 -0.241 -1.632 0.835
H6 -0.241 -1.632 -0.835

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20032.55381.06303.11443.1144
C21.20031.35442.26331.99341.9934
N32.55381.35443.61671.01061.0106
H41.06302.26333.61674.14374.1437
H53.11441.99341.01064.14371.6697
H63.11441.99341.01064.14371.6697

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.026 C2 C1 H4 179.473
C2 N3 H5 114.106 C2 N3 H6 114.106
H5 N3 H6 111.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.177      
2 C 0.129      
3 N -0.917      
4 H 0.252      
5 H 0.356      
6 H 0.356      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.227 -1.404 0.000 1.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.495 1.993 0.000
y 1.993 -11.905 0.000
z 0.000 0.000 -17.018
Traceless
 xyz
x -6.033 1.993 0.000
y 1.993 6.851 0.000
z 0.000 0.000 -0.818
Polar
3z2-r2-1.636
x2-y2-8.589
xy1.993
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.128 -0.055 0.000
y -0.055 6.412 0.000
z 0.000 0.000 2.446


<r2> (average value of r2) Å2
<r2> 44.262
(<r2>)1/2 6.653