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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G*
 hartrees
Energy at 0K-132.562279
Energy at 298.15K-132.564419
HF Energy-132.562279
Nuclear repulsion energy59.612260
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 HSEh1PBE/6-311G*
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' 3578 3433 11.35      
2 A' 3498 3357 76.22      
3 A' 2270 2179 107.39      
4 A' 1695 1626 37.57      
5 A' 1104 1060 14.41      
6 A' 631 605 236.30      
7 A' 493 473 110.13      
8 A' 401 384 29.21      
9 A" 3664 3516 24.57      
10 A" 1228 1178 0.18      
11 A" 693 665 38.41      
12 A" 381 365 9.42      

Unscaled Zero Point Vibrational Energy (zpe) 9817.6 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 9421.0 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 HSEh1PBE/6-311G*
ABC
10.33463 0.31376 0.30702

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 1.362 0.000
C2 0.000 0.159 0.000
N3 0.097 -1.184 0.000
H4 -0.053 2.425 0.000
H5 -0.248 -1.634 0.835
H6 -0.248 -1.634 -0.835

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20332.54841.06323.11813.1181
C21.20331.34612.26651.99301.9930
N32.54841.34613.61161.00931.0093
H41.06322.26653.61164.14804.1480
H53.11811.99301.00934.14801.6703
H63.11811.99301.00934.14801.6703

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.891 C2 C1 H4 179.269
C2 N3 H5 114.843 C2 N3 H6 114.843
H5 N3 H6 111.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.159      
2 C 0.145      
3 N -0.927      
4 H 0.237      
5 H 0.351      
6 H 0.351      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.182 -1.549 0.000 1.949
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.377 1.989 0.000
y 1.989 -11.762 0.000
z 0.000 0.000 -16.908
Traceless
 xyz
x -6.042 1.989 0.000
y 1.989 6.881 0.000
z 0.000 0.000 -0.839
Polar
3z2-r2-1.677
x2-y2-8.615
xy1.989
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.138 -0.007 0.000
y -0.007 6.496 0.000
z 0.000 0.000 2.447


<r2> (average value of r2) Å2
<r2> 44.107
(<r2>)1/2 6.641