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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-132.640243
Energy at 298.15K-132.642230
HF Energy-132.640243
Nuclear repulsion energy58.672153
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/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' 3424 3430 74.05      
2 A' 3362 3367 5.45      
3 A' 2181 2185 80.80      
4 A' 1573 1575 15.04      
5 A' 1050 1051 8.82      
6 A' 677 679 184.12      
7 A' 470 470 67.93      
8 A' 335 335 13.58      
9 A" 3437 3442 12.47      
10 A" 1177 1179 0.23      
11 A" 651 652 27.15      
12 A" 323 324 6.30      

Unscaled Zero Point Vibrational Energy (zpe) 9329.5 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 9344.4 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/cc-pVDZ
ABC
9.75079 0.30414 0.29823

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.007 1.384 0.000
C2 0.000 0.159 0.000
N3 0.088 -1.206 0.000
H4 -0.001 2.459 0.000
H5 -0.329 -1.635 0.837
H6 -0.329 -1.635 -0.837

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.22512.59101.07563.15013.1501
C21.22511.36752.30062.00622.0062
N32.59101.36753.66641.02901.0290
H41.07562.30063.66644.19144.1914
H53.15012.00621.02904.19141.6746
H63.15012.00621.02904.19141.6746

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.984 C2 C1 H4 179.307
C2 N3 H5 112.914 C2 N3 H6 112.914
H5 N3 H6 108.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.075      
2 C 0.038      
3 N -0.114      
4 H -0.050      
5 H 0.101      
6 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.159 -1.540 0.000 1.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.701 2.091 0.000
y 2.091 -12.447 0.000
z 0.000 0.000 -17.006
Traceless
 xyz
x -4.974 2.091 0.000
y 2.091 5.906 0.000
z 0.000 0.000 -0.932
Polar
3z2-r2-1.864
x2-y2-7.254
xy2.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.050 0.162 0.000
y 0.162 6.868 0.000
z 0.000 0.000 2.454


<r2> (average value of r2) Å2
<r2> 45.119
(<r2>)1/2 6.717