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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-132.574360
Energy at 298.15K-132.576548
HF Energy-132.574360
Nuclear repulsion energy59.683399
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 PBE1PBE/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' 3570 3431 17.37      
2 A' 3496 3360 95.94      
3 A' 2266 2178 118.67      
4 A' 1636 1573 28.82      
5 A' 1102 1059 16.11      
6 A' 621 597 185.82      
7 A' 501 482 122.27      
8 A' 440 422 9.79      
9 A" 3657 3514 38.54      
10 A" 1201 1154 0.04      
11 A" 705 677 39.76      
12 A" 376 361 8.98      

Unscaled Zero Point Vibrational Energy (zpe) 9786.0 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 9404.3 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 PBE1PBE/cc-pVTZ
ABC
10.30946 0.31457 0.30784

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.030 1.360 0.000
C2 0.000 0.159 0.000
N3 0.104 -1.182 0.000
H4 -0.063 2.421 0.000
H5 -0.243 -1.630 0.834
H6 -0.243 -1.630 -0.834

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20132.54561.06173.11143.1114
C21.20131.34522.26291.98891.9889
N32.54561.34523.60711.00871.0087
H41.06172.26293.60714.13994.1399
H53.11141.98891.00874.13991.6688
H63.11141.98891.00874.13991.6688

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.985 C2 C1 H4 179.625
C2 N3 H5 114.576 C2 N3 H6 114.576
H5 N3 H6 111.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.408      
2 C 0.139      
3 N -0.200      
4 H 0.140      
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
  -1.015 -1.559 0.000 1.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.322 1.774 0.000
y 1.774 -12.077 0.000
z 0.000 0.000 -17.044
Traceless
 xyz
x -5.762 1.774 0.000
y 1.774 6.606 0.000
z 0.000 0.000 -0.844
Polar
3z2-r2-1.688
x2-y2-8.245
xy1.774
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.856 -0.027 0.000
y -0.027 6.869 0.000
z 0.000 0.000 3.047


<r2> (average value of r2) Å2
<r2> 44.095
(<r2>)1/2 6.640