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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: SVWN/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at SVWN/6-311+G(3df,2p)
 hartrees
Energy at 0K-131.993118
Energy at 298.15K-131.995071
HF Energy-131.993118
Nuclear repulsion energy59.695474
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 SVWN/6-311+G(3df,2p)
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' 3479 3479 23.07      
2 A' 3401 3401 115.81      
3 A' 2222 2222 150.47      
4 A' 1554 1554 34.92      
5 A' 1118 1118 18.13      
6 A' 489 489 11.97      
7 A' 436 436 281.00      
8 A' 388 388 19.90      
9 A" 3566 3566 60.55      
10 A" 1119 1119 0.08      
11 A" 666 666 40.33      
12 A" 362 362 11.81      

Unscaled Zero Point Vibrational Energy (zpe) 9399.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9399.3 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 SVWN/6-311+G(3df,2p)
ABC
10.49717 0.31576 0.30819

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 1.361 0.000
C2 0.000 0.154 0.000
N3 0.075 -1.173 0.000
H4 -0.034 2.431 0.000
H5 -0.204 -1.655 0.851
H6 -0.204 -1.655 -0.851

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20672.53501.07043.13983.1398
C21.20671.32902.27712.01002.0100
N32.53501.32903.60541.01721.0172
H41.07042.27713.60544.17754.1775
H53.13982.01001.01724.17751.7015
H63.13982.01001.01724.17751.7015

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.408 C2 C1 H4 179.494
C2 N3 H5 117.286 C2 N3 H6 117.286
H5 N3 H6 113.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.000      
2 C 0.169      
3 N -0.845      
4 H 0.227      
5 H 0.224      
6 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.820 -1.781 0.000 1.961
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.969 1.532 0.000
y 1.532 -12.201 0.000
z 0.000 0.000 -17.232
Traceless
 xyz
x -6.252 1.532 0.000
y 1.532 6.900 0.000
z 0.000 0.000 -0.648
Polar
3z2-r2-1.295
x2-y2-8.768
xy1.532
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.859 -0.035 0.000
y -0.035 7.701 0.000
z 0.000 0.000 3.785


<r2> (average value of r2) Å2
<r2> 44.337
(<r2>)1/2 6.659