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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G*
 hartrees
Energy at 0K-132.550140
Energy at 298.15K-132.552285
HF Energy-132.550140
Nuclear repulsion energy59.601799
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 PBE1PBE/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' 3582 3433 11.81      
2 A' 3499 3354 77.07      
3 A' 2272 2178 106.94      
4 A' 1695 1625 37.81      
5 A' 1105 1059 14.32      
6 A' 633 607 236.82      
7 A' 494 474 110.23      
8 A' 402 386 28.41      
9 A" 3668 3516 25.06      
10 A" 1228 1177 0.16      
11 A" 693 664 38.41      
12 A" 381 365 9.37      

Unscaled Zero Point Vibrational Energy (zpe) 9826.8 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 9419.0 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 PBE1PBE/6-311G*
ABC
10.32076 0.31366 0.30693

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.022 1.362 0.000
C2 0.000 0.159 0.000
N3 0.098 -1.184 0.000
H4 -0.055 2.425 0.000
H5 -0.249 -1.633 0.835
H6 -0.249 -1.633 -0.835

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20362.54901.06353.11773.1177
C21.20361.34642.26701.99251.9925
N32.54901.34643.61241.00941.0094
H41.06352.26703.61244.14784.1478
H53.11771.99251.00944.14781.6702
H63.11771.99251.00944.14781.6702

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.884 C2 C1 H4 179.278
C2 N3 H5 114.759 C2 N3 H6 114.759
H5 N3 H6 111.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.156      
2 C 0.149      
3 N -0.934      
4 H 0.237      
5 H 0.352      
6 H 0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.188 -1.544 0.000 1.948
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.376 1.996 0.000
y 1.996 -11.753 0.000
z 0.000 0.000 -16.906
Traceless
 xyz
x -6.047 1.996 0.000
y 1.996 6.888 0.000
z 0.000 0.000 -0.841
Polar
3z2-r2-1.682
x2-y2-8.623
xy1.996
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.139 -0.009 0.000
y -0.009 6.490 0.000
z 0.000 0.000 2.447


<r2> (average value of r2) Å2
<r2> 44.113
(<r2>)1/2 6.642