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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-169.834404
Energy at 298.15K-169.836991
HF Energy-169.834404
Nuclear repulsion energy91.172426
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 HF/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' 3397 3079 2.06      
2 A' 3348 3034 1.14      
3 A' 3305 2996 1.44      
4 A' 2582 2340 27.82      
5 A' 1823 1652 0.11      
6 A' 1560 1414 10.54      
7 A' 1425 1291 1.78      
8 A' 1194 1082 3.15      
9 A' 923 836 3.62      
10 A' 633 574 0.26      
11 A' 265 240 4.27      
12 A" 1131 1026 21.36      
13 A" 1100 997 43.72      
14 A" 781 708 16.01      
15 A" 394 357 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 11929.7 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 10813.1 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 HF/Def2TZVPP
ABC
1.71423 0.16874 0.15362

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.564 -0.551 0.000
N2 -1.056 -1.565 0.000
C3 0.000 0.774 0.000
H4 -0.706 1.581 0.000
C5 1.298 0.982 0.000
H6 2.001 0.171 0.000
H7 1.690 1.980 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.12751.43972.13642.41182.66483.3890
N21.12752.56653.16543.46873.51644.4845
C31.43972.56651.07191.31502.08992.0765
H42.13643.16541.07192.09173.05162.4289
C52.41183.46871.31502.09171.07241.0722
H62.66483.51642.08993.05161.07241.8347
H73.38904.48452.07652.42891.07221.8347

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.782 C1 C3 C5 122.149
N2 C1 C3 177.149 C3 C5 H6 121.845
C3 C5 H7 120.534 H4 C3 C5 122.069
H6 C5 H7 117.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.088      
2 N -0.127      
3 C 0.001      
4 H 0.103      
5 C -0.076      
6 H 0.093      
7 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.212 3.703 0.000 4.313
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.413 -2.884 0.000
y -2.884 -26.232 0.000
z 0.000 0.000 -25.140
Traceless
 xyz
x 3.273 -2.884 0.000
y -2.884 -2.455 0.000
z 0.000 0.000 -0.818
Polar
3z2-r2-1.635
x2-y23.819
xy-2.884
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.881 1.828 0.000
y 1.828 6.404 0.000
z 0.000 0.000 3.583


<r2> (average value of r2) Å2
<r2> 77.282
(<r2>)1/2 8.791