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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-132.625503
Energy at 298.15K-132.627710
HF Energy-132.625503
Nuclear repulsion energy59.358966
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' 3575 3398 20.73      
2 A' 3518 3343 93.93      
3 A' 2309 2194 85.85      
4 A' 1640 1558 33.89      
5 A' 1100 1046 15.16      
6 A' 658 625 235.68      
7 A' 513 488 109.61      
8 A' 440 419 13.19      
9 A" 3675 3492 37.83      
10 A" 1198 1139 0.21      
11 A" 710 675 35.80      
12 A" 381 362 4.75      

Unscaled Zero Point Vibrational Energy (zpe) 9858.3 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 9369.3 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
10.12668 0.31086 0.30439

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 -0.082 1.365 0.000
C2 0.000 0.162 0.000
N3 0.151 -1.187 0.000
H4 -0.164 2.426 0.000
H5 -0.199 -1.637 0.836
H6 -0.199 -1.637 -0.836

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20612.56301.06423.11823.1182
C21.20611.35752.27031.99331.9933
N32.56301.35753.62711.01171.0117
H41.06422.27033.62714.14814.1481
H53.11821.99331.01174.14811.6722
H63.11821.99331.01174.14811.6722

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.527 C2 C1 H4 179.501
C2 N3 H5 113.766 C2 N3 H6 113.766
H5 N3 H6 111.461
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 -0.303      
2 C 0.288      
3 N -0.766      
4 H 0.177      
5 H 0.302      
6 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.217 -1.363 0.000 1.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.973 1.749 0.000
y 1.749 -11.659 0.000
z 0.000 0.000 -16.588
Traceless
 xyz
x -5.850 1.749 0.000
y 1.749 6.622 0.000
z 0.000 0.000 -0.772
Polar
3z2-r2-1.544
x2-y2-8.314
xy1.749
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.724 -0.187 0.000
y -0.187 6.248 0.000
z 0.000 0.000 2.192


<r2> (average value of r2) Å2
<r2> 44.193
(<r2>)1/2 6.648