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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: HSEh1PBE/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-132.586657
Energy at 298.15K-132.588842
HF Energy-132.586657
Nuclear repulsion energy59.702528
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-pVTZ
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' 3569 3430 17.01      
2 A' 3497 3361 95.61      
3 A' 2265 2177 119.63      
4 A' 1638 1574 28.77      
5 A' 1102 1059 16.32      
6 A' 616 592 184.74      
7 A' 501 481 124.07      
8 A' 440 423 9.83      
9 A" 3656 3514 38.48      
10 A" 1201 1154 0.02      
11 A" 706 679 39.57      
12 A" 376 361 9.09      

Unscaled Zero Point Vibrational Energy (zpe) 9782.7 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 9402.1 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-pVTZ
ABC
10.33859 0.31476 0.30799

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.029 1.360 0.000
C2 0.000 0.159 0.000
N3 0.103 -1.182 0.000
H4 -0.061 2.420 0.000
H5 -0.241 -1.631 0.834
H6 -0.241 -1.631 -0.834

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20092.54461.06123.11213.1121
C21.20091.34462.26211.98971.9897
N32.54461.34463.60571.00831.0083
H41.06122.26213.60574.14034.1403
H53.11211.98971.00834.14031.6690
H63.11211.98971.00834.14031.6690

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.006 C2 C1 H4 179.623
C2 N3 H5 114.734 C2 N3 H6 114.734
H5 N3 H6 111.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.407      
2 C 0.142      
3 N -0.196      
4 H 0.136      
5 H 0.162      
6 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.006 -1.569 0.000 1.864
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.329 1.762 0.000
y 1.762 -12.094 0.000
z 0.000 0.000 -17.047
Traceless
 xyz
x -5.759 1.762 0.000
y 1.762 6.594 0.000
z 0.000 0.000 -0.836
Polar
3z2-r2-1.672
x2-y2-8.235
xy1.762
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.853 -0.025 0.000
y -0.025 6.877 0.000
z 0.000 0.000 3.045


<r2> (average value of r2) Å2
<r2> 44.086
(<r2>)1/2 6.640