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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-250.619233
Energy at 298.15K-250.628704
Nuclear repulsion energy211.007275
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 B3PW91/6-31G(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' 3126 3006 26.93      
2 A' 3057 2939 32.63      
3 A' 3046 2929 3.22      
4 A' 3042 2924 19.30      
5 A' 3027 2910 18.10      
6 A' 2368 2276 13.51      
7 A' 1504 1446 6.32      
8 A' 1490 1433 0.86      
9 A' 1480 1423 0.89      
10 A' 1459 1403 2.80      
11 A' 1406 1351 2.34      
12 A' 1395 1341 0.31      
13 A' 1350 1298 2.77      
14 A' 1268 1219 2.36      
15 A' 1124 1081 3.60      
16 A' 1075 1034 0.22      
17 A' 1032 992 0.69      
18 A' 946 909 0.23      
19 A' 907 872 2.40      
20 A' 549 527 0.71      
21 A' 382 367 0.85      
22 A' 280 269 1.43      
23 A' 125 121 5.60      
24 A" 3121 3000 49.78      
25 A" 3108 2988 9.91      
26 A" 3087 2967 1.53      
27 A" 3062 2944 6.87      
28 A" 1493 1435 7.03      
29 A" 1328 1276 0.12      
30 A" 1309 1259 0.51      
31 A" 1236 1188 0.09      
32 A" 1131 1088 0.00      
33 A" 928 892 0.99      
34 A" 788 758 0.02      
35 A" 731 703 5.11      
36 A" 402 387 0.63      
37 A" 245 235 0.09      
38 A" 117 112 0.47      
39 A" 88 85 3.75      

Unscaled Zero Point Vibrational Energy (zpe) 28804.9 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 27693.0 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 B3PW91/6-31G(2df,p)
ABC
0.50932 0.04428 0.04201

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.407 0.000
C2 1.424 0.961 0.000
C3 1.460 2.487 0.000
C4 -0.022 -1.129 0.000
N5 -2.453 -2.091 0.000
C6 -1.375 -1.674 0.000
H7 2.489 2.859 0.000
H8 -0.545 0.773 0.878
H9 -0.545 0.773 -0.878
H10 1.962 0.580 0.878
H11 1.962 0.580 -0.878
H12 0.958 2.895 -0.884
H13 0.958 2.895 0.884
H14 0.506 -1.518 -0.879
H15 0.506 -1.518 0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52772.54161.53623.50122.49403.49411.09621.09622.15622.15622.80872.80872.17582.1758
C21.52771.52632.54144.93423.84382.17632.16372.16371.09821.09822.17642.17642.78612.7861
C32.54161.52633.90826.02295.03511.09422.78052.78052.15902.15901.09541.09544.21014.2101
C41.53622.54143.90822.61491.45874.71272.15922.15922.76122.76124.23484.23481.09671.0967
N53.50124.93426.02292.61491.15636.99503.55163.55165.23415.23416.10556.10553.13963.1396
C62.49403.84385.03511.45871.15635.95632.72862.72864.12094.12095.20555.20552.08192.0819
H73.49412.17631.09424.71276.99505.95633.78553.78552.49882.49881.76861.76864.88504.8850
H81.09622.16372.78052.15923.55162.72863.78551.75572.51453.06673.14102.60053.07242.5202
H91.09622.16372.78052.15923.55162.72863.78551.75573.06672.51452.60053.14102.52023.0724
H102.15621.09822.15902.76125.23414.12092.49882.51453.06671.75523.07772.52383.09942.5533
H112.15621.09822.15902.76125.23414.12092.49883.06672.51451.75522.52383.07772.55333.0994
H122.80872.17641.09544.23486.10555.20551.76863.14102.60053.07772.52381.76774.43594.7735
H132.80872.17641.09544.23486.10555.20551.76862.60053.14102.52383.07771.76774.77354.4359
H142.17582.78614.21011.09673.13962.08194.88503.07242.52023.09942.55334.43594.77351.7588
H152.17582.78614.21011.09673.13962.08194.88502.52023.07242.55333.09944.77354.43591.7588

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.657 C1 C2 H10 109.307
C1 C2 H11 109.307 C1 C4 C6 112.739
C1 C4 H14 110.343 C1 C4 H15 110.343
C2 C1 C4 112.090 C2 C1 H8 110.014
C2 C1 H9 110.014 C2 C3 H7 111.235
C2 C3 H12 111.169 C2 C3 H13 111.169
C3 C2 H10 109.627 C3 C2 H11 109.627
C4 C1 H8 109.070 C4 C1 H9 109.070
C4 C6 N5 179.225 C6 C4 H14 108.286
C6 C4 H15 108.286 H7 C3 H12 107.751
H7 C3 H13 107.751 H8 C1 H9 106.413
H10 C2 H11 106.102 H12 C3 H13 107.590
H14 C4 H15 106.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.222      
2 C -0.232      
3 C -0.449      
4 C -0.394      
5 N -0.334      
6 C 0.290      
7 H 0.144      
8 H 0.148      
9 H 0.148      
10 H 0.129      
11 H 0.129      
12 H 0.144      
13 H 0.144      
14 H 0.178      
15 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.751 1.901 0.000 4.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.081 -8.054 0.000
y -8.054 -41.539 0.000
z 0.000 0.000 -36.078
Traceless
 xyz
x -8.272 -8.054 0.000
y -8.054 0.040 0.000
z 0.000 0.000 8.232
Polar
3z2-r216.464
x2-y2-5.542
xy-8.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.751 1.827 0.000
y 1.827 9.080 0.000
z 0.000 0.000 6.959


<r2> (average value of r2) Å2
<r2> 257.544
(<r2>)1/2 16.048