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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-208.817167
Energy at 298.15K-208.822721
Nuclear repulsion energy148.868451
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/6-31G(2df,p)
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' 3392 3071 9.55      
2 A' 3338 3022 1.24      
3 A' 3298 2986 6.07      
4 A' 2597 2352 39.09      
5 A' 1638 1483 0.38      
6 A' 1498 1357 1.36      
7 A' 1300 1178 2.08      
8 A' 1228 1112 1.15      
9 A' 1190 1078 2.73      
10 A' 1022 926 24.43      
11 A' 865 784 2.89      
12 A' 803 727 7.55      
13 A' 583 528 0.58      
14 A' 236 213 6.04      
15 A" 3377 3058 0.23      
16 A" 3291 2980 14.08      
17 A" 1592 1441 1.76      
18 A" 1303 1180 0.44      
19 A" 1232 1115 0.12      
20 A" 1210 1096 5.08      
21 A" 1012 916 1.42      
22 A" 892 808 9.40      
23 A" 613 555 2.42      
24 A" 240 217 4.20      

Unscaled Zero Point Vibrational Energy (zpe) 18874.8 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 17091.1 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/6-31G(2df,p)
ABC
0.53944 0.11635 0.11022

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.766 1.023 1.260
H2 -1.766 1.023 -1.260
H3 -1.253 -0.713 -1.252
H4 -1.253 -0.713 1.252
H5 0.285 1.653 0.000
C6 0.000 0.618 0.000
N7 2.002 -1.006 0.000
C8 1.126 -0.291 0.000
C9 -1.251 0.234 0.744
C10 -1.251 0.234 -0.744

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.52083.09611.81002.48852.20744.46193.41781.07432.2150
H22.52081.81003.09612.48852.20744.46193.41782.21501.0743
H33.09611.81002.50323.08672.21513.49992.72082.20891.0740
H41.81003.09612.50323.08672.21513.49992.72081.07402.2089
H52.48852.48853.08673.08671.07363.16572.11882.21982.2198
C62.20742.20742.21512.21511.07362.57811.44731.50581.5058
N74.46194.46193.49993.49993.16572.57811.13093.56073.5607
C83.41783.41782.72082.72082.11881.44731.13092.54592.5459
C91.07432.21502.20891.07402.21981.50583.56072.54591.4885
C102.21501.07431.07402.20892.21981.50583.56072.54591.4885

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.813 H1 C9 C6 116.649
H1 C9 C10 118.715 H2 C10 H3 114.813
H2 C10 C6 116.649 H2 C10 C9 118.715
H3 C10 C6 117.352 H3 C10 C9 118.192
H4 C9 C6 117.352 H4 C9 C10 118.192
H5 C6 C8 113.554 H5 C6 C9 117.792
H5 C6 C10 117.792 C6 C8 N7 179.741
C6 C9 C10 60.380 C6 C10 C9 60.380
C8 C6 C9 119.094 C8 C6 C10 119.094
C9 C6 C10 59.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.166      
2 H 0.166      
3 H 0.178      
4 H 0.178      
5 H 0.183      
6 C -0.220      
7 N -0.237      
8 C 0.170      
9 C -0.292      
10 C -0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.698 2.382 0.000 4.399
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.196 3.824 0.000
y 3.824 -29.451 0.000
z 0.000 0.000 -29.010
Traceless
 xyz
x -6.966 3.824 0.000
y 3.824 3.153 0.000
z 0.000 0.000 3.814
Polar
3z2-r27.627
x2-y2-6.746
xy3.824
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.343 -1.152 0.000
y -1.152 5.734 0.000
z 0.000 0.000 5.299


<r2> (average value of r2) Å2
<r2> 112.973
(<r2>)1/2 10.629