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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B97D3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G
 hartrees
Energy at 0K-132.563049
Energy at 298.15K-132.564723
HF Energy-132.563049
Nuclear repulsion energy59.022251
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 B97D3/6-31G
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' 3558 3558 18.11      
2 A' 3474 3474 67.17      
3 A' 2217 2217 100.52      
4 A' 1667 1667 43.64      
5 A' 1103 1103 16.15      
6 A' 486 486 0.06      
7 A' 340 340 523.14      
8 A' 260 260 30.75      
9 A" 3673 3673 28.28      
10 A" 1156 1156 8.33      
11 A" 671 671 42.74      
12 A" 337 337 9.56      

Unscaled Zero Point Vibrational Energy (zpe) 9470.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9470.9 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 B97D3/6-31G
ABC
11.20585 0.30654 0.29838

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.018 1.385 0.000
C2 0.000 0.161 0.000
N3 -0.012 -1.187 0.000
H4 0.012 2.452 0.000
H5 -0.017 -1.709 0.864
H6 -0.017 -1.709 -0.864

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.22492.57241.06633.21303.2130
C21.22491.34752.29102.05982.0598
N32.57241.34753.63851.00951.0095
H41.06632.29103.63854.24964.2496
H53.21302.05981.00954.24961.7276
H63.21302.05981.00954.24961.7276

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 179.684 C2 C1 H4 178.863
C2 N3 H5 121.163 C2 N3 H6 121.163
H5 N3 H6 117.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 C 0.140      
3 N -0.813      
4 H 0.212      
5 H 0.335      
6 H 0.335      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.046 -1.913 0.000 1.914
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.152 0.030 0.000
y 0.030 -10.976 0.000
z 0.000 0.000 -16.232
Traceless
 xyz
x -6.548 0.030 0.000
y 0.030 7.216 0.000
z 0.000 0.000 -0.668
Polar
3z2-r2-1.337
x2-y2-9.176
xy0.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.323 0.065 0.000
y 0.065 6.464 0.000
z 0.000 0.000 1.950


<r2> (average value of r2) Å2
<r2> 44.739
(<r2>)1/2 6.689