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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-210.110072
Energy at 298.15K-210.115350
Nuclear repulsion energy147.722298
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3283 3146 3.35      
2 A' 3209 3076 0.33      
3 A' 3179 3046 3.16      
4 A' 2366 2268 39.82      
5 A' 1505 1443 0.88      
6 A' 1385 1328 0.43      
7 A' 1230 1179 0.93      
8 A' 1136 1089 0.47      
9 A' 1059 1015 4.82      
10 A' 982 941 25.41      
11 A' 815 781 2.56      
12 A' 761 730 3.49      
13 A' 533 511 0.49      
14 A' 212 203 4.27      
15 A" 3269 3133 0.27      
16 A" 3175 3042 8.50      
17 A" 1459 1399 4.45      
18 A" 1192 1142 0.75      
19 A" 1100 1054 2.30      
20 A" 1073 1029 5.32      
21 A" 919 881 1.39      
22 A" 828 793 8.14      
23 A" 551 528 0.52      
24 A" 214 205 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 17719.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 16980.3 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 mPW1PW91/aug-cc-pVDZ
ABC
0.53224 0.11494 0.10897

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.336 2.026 1.270
H2 0.336 2.026 -1.270
H3 -1.124 0.914 -1.260
H4 -1.124 0.914 1.260
H5 1.662 0.332 0.000
C6 0.580 0.219 0.000
N7 -0.230 -2.250 0.000
C8 0.135 -1.148 0.000
C9 -0.230 1.259 0.747
C10 -0.230 1.259 -0.747

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54053.12581.83532.49892.22294.49663.42521.08722.2313
H22.54051.83533.12582.49892.22294.49663.42522.23131.0872
H33.12581.83532.52033.11252.23013.52072.72482.22431.0868
H41.83533.12582.52033.11252.23013.52072.72481.08682.2243
H52.49892.49893.11253.11251.08813.20052.12652.23592.2359
C62.22292.22292.23012.23011.08812.59771.43731.51581.5158
N74.49664.49663.52073.52073.20052.59771.16043.58793.5879
C83.42523.42522.72482.72482.12651.43731.16042.54732.5473
C91.08722.23132.22431.08682.23591.51583.58792.54731.4945
C102.23131.08721.08682.22432.23591.51583.58792.54731.4945

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.170 H1 C9 C6 116.326
H1 C9 C10 118.754 H2 C10 H3 115.170
H2 C10 C6 116.326 H2 C10 C9 118.754
H3 C10 C6 116.974 H3 C10 C9 118.160
H4 C9 C6 116.974 H4 C9 C10 118.160
H5 C6 C8 113.997 H5 C6 C9 117.385
H5 C6 C10 117.385 C6 C8 N7 179.698
C6 C9 C10 60.466 C6 C10 C9 60.466
C8 C6 C9 119.186 C8 C6 C10 119.186
C9 C6 C10 59.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.431      
2 H -0.431      
3 H -0.425      
4 H -0.425      
5 H -0.407      
6 C 1.153      
7 N -0.259      
8 C -0.545      
9 C 0.885      
10 C 0.885      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.905 4.338 0.000 4.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.970 -0.510 0.000
y -0.510 -38.081 0.000
z 0.000 0.000 -29.338
Traceless
 xyz
x 5.739 -0.510 0.000
y -0.510 -9.427 0.000
z 0.000 0.000 3.687
Polar
3z2-r27.375
x2-y210.111
xy-0.510
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.250 0.217 0.000
y 0.217 9.669 0.000
z 0.000 0.000 6.553


<r2> (average value of r2) Å2
<r2> 114.262
(<r2>)1/2 10.689