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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: HSEh1PBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-132.542642
Energy at 298.15K-132.544842
HF Energy-132.542642
Nuclear repulsion energy59.257613
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/cc-pVDZ
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' 3539 3404 8.48      
2 A' 3520 3386 98.70      
3 A' 2278 2191 97.23      
4 A' 1618 1556 22.81      
5 A' 1103 1061 13.87      
6 A' 685 659 196.18      
7 A' 510 490 94.24      
8 A' 425 409 9.36      
9 A" 3628 3489 32.78      
10 A" 1208 1162 0.13      
11 A" 705 679 31.53      
12 A" 366 352 7.28      

Unscaled Zero Point Vibrational Energy (zpe) 9792.6 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 9419.5 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/cc-pVDZ
ABC
9.95824 0.31029 0.30412

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 1.369 0.000
C2 0.000 0.156 0.000
N3 0.129 -1.191 0.000
H4 -0.098 2.438 0.000
H5 -0.260 -1.627 0.833
H6 -0.260 -1.627 -0.833

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21332.56541.07033.11653.1165
C21.21331.35312.28351.98531.9853
N32.56541.35313.63551.01731.0173
H41.07032.28353.63554.15244.1524
H53.11651.98531.01734.15241.6656
H63.11651.98531.01734.15241.6656

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.776 C2 C1 H4 179.527
C2 N3 H5 112.994 C2 N3 H6 112.994
H5 N3 H6 109.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.072      
2 C 0.029      
3 N -0.216      
4 H 0.010      
5 H 0.124      
6 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.148 -1.545 0.000 1.925
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.897 1.848 0.000
y 1.848 -11.915 0.000
z 0.000 0.000 -16.902
Traceless
 xyz
x -5.488 1.848 0.000
y 1.848 6.484 0.000
z 0.000 0.000 -0.996
Polar
3z2-r2-1.992
x2-y2-7.982
xy1.848
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.020 -0.052 0.000
y -0.052 6.557 0.000
z 0.000 0.000 2.376


<r2> (average value of r2) Å2
<r2> 44.350
(<r2>)1/2 6.660