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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-130.845348
Energy at 298.15K-130.847497
HF Energy-130.845348
Nuclear repulsion energy58.371806
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/STO-3G
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' 3740 3303 172.81      
2 A' 3604 3183 3.90      
3 A' 2482 2191 7.87      
4 A' 1809 1598 9.84      
5 A' 1108 978 6.88      
6 A' 740 654 172.48      
7 A' 629 556 40.17      
8 A' 429 379 12.20      
9 A" 3783 3340 1.06      
10 A" 1336 1180 0.31      
11 A" 785 693 14.99      
12 A" 380 336 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 10412.8 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 9195.5 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/STO-3G
ABC
8.99748 0.30176 0.29653

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.013 1.378 0.000
C2 0.000 0.177 0.000
N3 0.100 -1.224 0.000
H4 0.016 2.453 0.000
H5 -0.397 -1.610 0.842
H6 -0.397 -1.610 -0.842

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20122.60351.07513.13143.1314
C21.20121.40452.27632.01492.0149
N32.60351.40453.67811.05111.0511
H41.07512.27633.67814.17014.1701
H53.13142.01491.05114.17011.6839
H63.13142.01491.05114.17011.6839

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.304 C2 C1 H4 179.573
C2 N3 H5 109.433 C2 N3 H6 109.433
H5 N3 H6 106.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.161      
2 C 0.011      
3 N -0.368      
4 H 0.114      
5 H 0.202      
6 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.578 -0.781 0.000 1.761
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.479 2.574 0.000
y 2.574 -12.481 0.000
z 0.000 0.000 -15.509
Traceless
 xyz
x -3.484 2.574 0.000
y 2.574 4.013 0.000
z 0.000 0.000 -0.529
Polar
3z2-r2-1.058
x2-y2-4.998
xy2.574
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.509 0.222 0.000
y 0.222 4.163 0.000
z 0.000 0.000 1.088


<r2> (average value of r2) Å2
<r2> 44.542
(<r2>)1/2 6.674