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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: M06-2X/6-31G*

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/6-31G*
 hartrees
Energy at 0K-132.617577
Energy at 298.15K-132.619778
HF Energy-132.617577
Nuclear repulsion energy59.308690
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3551 3363 14.62      
2 A' 3525 3338 91.90      
3 A' 2309 2187 81.97      
4 A' 1671 1583 34.26      
5 A' 1098 1040 13.52      
6 A' 695 658 251.91      
7 A' 511 484 97.81      
8 A' 431 408 13.66      
9 A" 3643 3450 34.13      
10 A" 1218 1154 0.19      
11 A" 703 666 35.35      
12 A" 378 358 4.30      

Unscaled Zero Point Vibrational Energy (zpe) 9866.0 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 9343.1 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/6-31G*
ABC
10.06493 0.31038 0.30403

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.080 1.366 0.000
C2 0.000 0.162 0.000
N3 0.152 -1.189 0.000
H4 -0.164 2.427 0.000
H5 -0.209 -1.636 0.835
H6 -0.209 -1.636 -0.835

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20582.56501.06503.11863.1186
C21.20581.35982.27081.99421.9942
N32.56501.35983.62991.01381.0138
H41.06502.27083.62994.14894.1489
H53.11861.99421.01384.14891.6697
H63.11861.99421.01384.14891.6697

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.402 C2 C1 H4 179.329
C2 N3 H5 113.513 C2 N3 H6 113.513
H5 N3 H6 110.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.357      
2 C 0.286      
3 N -0.866      
4 H 0.214      
5 H 0.362      
6 H 0.362      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.286 -1.314 0.000 1.839
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.018 1.857 0.000
y 1.857 -11.702 0.000
z 0.000 0.000 -16.617
Traceless
 xyz
x -5.859 1.857 0.000
y 1.857 6.615 0.000
z 0.000 0.000 -0.757
Polar
3z2-r2-1.513
x2-y2-8.316
xy1.857
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.700 -0.183 0.000
y -0.183 6.192 0.000
z 0.000 0.000 2.161


<r2> (average value of r2) Å2
<r2> 44.261
(<r2>)1/2 6.653