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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: SVWN/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 SVWN/cc-pVTZ
 hartrees
Energy at 0K-131.995856
Energy at 298.15K-131.997837
HF Energy-131.995856
Nuclear repulsion energy59.664215
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/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' 3470 3437 19.89      
2 A' 3410 3377 113.44      
3 A' 2224 2203 125.83      
4 A' 1555 1540 33.94      
5 A' 1114 1104 16.31      
6 A' 512 507 93.60      
7 A' 457 453 192.43      
8 A' 380 376 35.05      
9 A" 3557 3523 51.91      
10 A" 1129 1119 0.21      
11 A" 660 653 39.35      
12 A" 362 358 10.96      

Unscaled Zero Point Vibrational Energy (zpe) 9415.2 cm-1
Scaled (by 0.9903) Zero Point Vibrational Energy (zpe) 9323.9 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/cc-pVTZ
ABC
10.39419 0.31541 0.30802

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 1.361 0.000
C2 0.000 0.154 0.000
N3 0.082 -1.175 0.000
H4 -0.040 2.431 0.000
H5 -0.218 -1.649 0.849
H6 -0.218 -1.649 -0.849

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20712.53771.06983.13403.1340
C21.20711.33142.27692.00472.0047
N32.53771.33143.60741.01741.0174
H41.06982.27693.60744.17084.1708
H53.13402.00471.01744.17081.6971
H63.13402.00471.01744.17081.6971

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.245 C2 C1 H4 179.520
C2 N3 H5 116.564 C2 N3 H6 116.564
H5 N3 H6 113.041
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.438      
2 C 0.161      
3 N -0.194      
4 H 0.126      
5 H 0.173      
6 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.886 -1.815 0.000 2.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.549 1.589 0.000
y 1.589 -11.958 0.000
z 0.000 0.000 -17.072
Traceless
 xyz
x -6.034 1.589 0.000
y 1.589 6.853 0.000
z 0.000 0.000 -0.819
Polar
3z2-r2-1.637
x2-y2-8.591
xy1.589
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.888 0.004 0.000
y 0.004 7.198 0.000
z 0.000 0.000 3.097


<r2> (average value of r2) Å2
<r2> 44.172
(<r2>)1/2 6.646