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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-132.627890
Energy at 298.15K-132.629805
HF Energy-132.627890
Nuclear repulsion energy59.248504
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 B97D3/6-311G*
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' 3456 3456 2.98      
2 A' 3429 3429 60.73      
3 A' 2197 2197 97.68      
4 A' 1663 1663 30.64      
5 A' 1065 1065 10.85      
6 A' 638 638 240.33      
7 A' 471 471 68.52      
8 A' 277 277 39.73      
9 A" 3537 3537 12.00      
10 A" 1207 1207 0.09      
11 A" 634 634 37.50      
12 A" 346 346 7.50      

Unscaled Zero Point Vibrational Energy (zpe) 9459.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9459.4 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 B97D3/6-311G*
ABC
10.17328 0.30987 0.30339

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.044 1.371 0.000
C2 0.000 0.159 0.000
N3 0.050 -1.194 0.000
H4 0.040 2.437 0.000
H5 -0.328 -1.628 0.836
H6 -0.328 -1.628 -0.836

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21232.56491.06633.13553.1355
C21.21231.35442.27812.00052.0005
N32.56491.35443.63121.01521.0152
H41.06632.27813.63124.16664.1666
H53.13552.00051.01524.16661.6725
H63.13552.00051.01524.16661.6725

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.792 C2 C1 H4 177.688
C2 N3 H5 114.420 C2 N3 H6 114.420
H5 N3 H6 110.919
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 C 0.165      
3 N -0.853      
4 H 0.208      
5 H 0.335      
6 H 0.335      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.278 -1.525 0.000 1.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.107 2.308 0.000
y 2.308 -12.106 0.000
z 0.000 0.000 -16.918
Traceless
 xyz
x -5.595 2.308 0.000
y 2.308 6.406 0.000
z 0.000 0.000 -0.812
Polar
3z2-r2-1.623
x2-y2-8.001
xy2.308
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.194 0.222 0.000
y 0.222 6.742 0.000
z 0.000 0.000 2.508


<r2> (average value of r2) Å2
<r2> 44.523
(<r2>)1/2 6.673