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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: BLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/Def2TZVPP
 hartrees
Energy at 0K-132.699213
Energy at 298.15K-132.701194
HF Energy-132.699213
Nuclear repulsion energy59.165746
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 BLYP/Def2TZVPP
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' 3425 3425 4.03      
2 A' 3413 3413 87.42      
3 A' 2170 2170 114.32      
4 A' 1599 1599 22.91      
5 A' 1052 1052 13.66      
6 A' 595 595 192.10      
7 A' 466 466 90.08      
8 A' 354 354 27.38      
9 A" 3500 3500 26.15      
10 A" 1169 1169 0.02      
11 A" 653 653 42.58      
12 A" 342 342 8.36      

Unscaled Zero Point Vibrational Energy (zpe) 9369.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9369.5 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 BLYP/Def2TZVPP
ABC
10.20315 0.30898 0.30236

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.019 1.373 0.000
C2 0.000 0.161 0.000
N3 0.064 -1.194 0.000
H4 0.023 2.439 0.000
H5 -0.294 -1.642 0.840
H6 -0.294 -1.642 -0.840

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21212.56801.06533.14623.1462
C21.21211.35712.27742.01152.0115
N32.56801.35713.63311.01771.0177
H41.06532.27743.63314.17864.1786
H53.14622.01151.01774.17861.6808
H63.14622.01151.01774.17861.6808

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.373 C2 C1 H4 179.280
C2 N3 H5 115.029 C2 N3 H6 115.029
H5 N3 H6 111.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.205      
2 C -0.116      
3 N -0.269      
4 H 0.262      
5 H 0.164      
6 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.030 -1.561 0.000 1.870
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.605 2.038 0.000
y 2.038 -12.795 0.000
z 0.000 0.000 -17.398
Traceless
 xyz
x -5.508 2.038 0.000
y 2.038 6.206 0.000
z 0.000 0.000 -0.698
Polar
3z2-r2-1.397
x2-y2-7.810
xy2.038
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.166 0.110 0.000
y 0.110 7.434 0.000
z 0.000 0.000 3.303


<r2> (average value of r2) Å2
<r2> 44.990
(<r2>)1/2 6.707