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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-209.880070
Energy at 298.15K-209.885230
Nuclear repulsion energy146.976376
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 PBEPBE/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' 3193 3160 2.81      
2 A' 3111 3079 0.66      
3 A' 3093 3061 2.71      
4 A' 2267 2244 27.65      
5 A' 1447 1432 0.82      
6 A' 1335 1322 0.20      
7 A' 1193 1181 0.98      
8 A' 1102 1090 0.35      
9 A' 1025 1015 5.10      
10 A' 956 947 20.49      
11 A' 792 783 1.53      
12 A' 739 731 1.99      
13 A' 519 514 0.44      
14 A' 208 206 3.60      
15 A" 3178 3146 0.18      
16 A" 3091 3059 8.51      
17 A" 1417 1402 3.04      
18 A" 1161 1149 0.46      
19 A" 1069 1058 2.10      
20 A" 1041 1030 5.23      
21 A" 876 867 0.32      
22 A" 804 796 6.87      
23 A" 542 536 0.51      
24 A" 211 209 2.32      

Unscaled Zero Point Vibrational Energy (zpe) 17184.1 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 17007.1 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 PBEPBE/6-31G(2df,p)
ABC
0.52827 0.11372 0.10778

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.341 2.034 1.278
H2 0.341 2.034 -1.278
H3 -1.129 0.925 -1.265
H4 -1.129 0.925 1.265
H5 1.666 0.333 0.000
C6 0.580 0.214 0.000
N7 -0.230 -2.263 0.000
C8 0.135 -1.151 0.000
C9 -0.230 1.268 0.751
C10 -0.230 1.268 -0.751

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.55573.13971.84112.50642.23634.51943.43791.09132.2423
H22.55571.84113.13972.50642.23634.51943.43792.24231.0913
H33.13971.84112.53093.12472.24193.54602.74032.23371.0909
H41.84113.13972.53093.12472.24193.54602.74031.09092.2337
H52.50642.50643.12473.12471.09283.21542.13242.24352.2435
C62.23632.23632.24192.24191.09282.60681.43601.52631.5263
N74.51944.51943.54603.54603.21542.60681.17083.61013.6101
C83.43793.43792.74032.74032.13241.43601.17082.55892.5589
C91.09132.24232.23371.09092.24351.52633.61012.55891.5013
C102.24231.09131.09092.23372.24351.52633.61012.55891.5013

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.064 H1 C9 C6 116.383
H1 C9 C10 118.890 H2 C10 H3 115.064
H2 C10 C6 116.383 H2 C10 C9 118.890
H3 C10 C6 116.898 H3 C10 C9 118.160
H4 C9 C6 116.898 H4 C9 C10 118.160
H5 C6 C8 114.285 H5 C6 C9 116.908
H5 C6 C10 116.908 C6 C8 N7 179.850
C6 C9 C10 60.542 C6 C10 C9 60.542
C8 C6 C9 119.466 C8 C6 C10 119.466
C9 C6 C10 58.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.144      
2 H 0.144      
3 H 0.155      
4 H 0.155      
5 H 0.145      
6 C -0.162      
7 N -0.367      
8 C 0.320      
9 C -0.267      
10 C -0.267      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.837 4.072 0.000 4.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.434 -0.433 0.000
y -0.433 -36.932 0.000
z 0.000 0.000 -28.707
Traceless
 xyz
x 5.385 -0.433 0.000
y -0.433 -8.861 0.000
z 0.000 0.000 3.476
Polar
3z2-r26.952
x2-y29.498
xy-0.433
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.472 0.418 0.000
y 0.418 8.907 0.000
z 0.000 0.000 5.562


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000