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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-249.191339
Energy at 298.15K-249.200992
Nuclear repulsion energy210.866411
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 B1B95/3-21G*
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' 3145 3004 25.26      
2 A' 3085 2946 25.92      
3 A' 3071 2932 0.44      
4 A' 3067 2928 18.52      
5 A' 3059 2921 12.54      
6 A' 2367 2261 5.71      
7 A' 1565 1494 10.09      
8 A' 1549 1479 6.43      
9 A' 1540 1470 0.48      
10 A' 1522 1453 5.92      
11 A' 1458 1392 8.41      
12 A' 1401 1338 0.21      
13 A' 1383 1321 4.19      
14 A' 1319 1259 2.52      
15 A' 1144 1092 10.35      
16 A' 1062 1014 0.24      
17 A' 1024 977 0.44      
18 A' 955 912 0.10      
19 A' 915 874 4.70      
20 A' 591 564 2.28      
21 A' 387 369 0.76      
22 A' 299 286 0.82      
23 A' 133 127 4.04      
24 A" 3147 3005 53.59      
25 A" 3136 2994 0.01      
26 A" 3111 2970 0.24      
27 A" 3093 2953 3.45      
28 A" 1561 1491 11.56      
29 A" 1367 1306 0.09      
30 A" 1357 1296 0.65      
31 A" 1284 1226 0.13      
32 A" 1177 1124 0.17      
33 A" 969 925 1.69      
34 A" 818 781 0.16      
35 A" 751 717 8.04      
36 A" 464 443 0.06      
37 A" 248 237 0.05      
38 A" 118 113 0.64      
39 A" 92 88 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 29365.3 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 28040.9 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 B1B95/3-21G*
ABC
0.50228 0.04444 0.04211

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.412 0.000
C2 1.445 0.930 0.000
C3 1.491 2.464 0.000
C4 -0.035 -1.133 0.000
N5 -2.486 -2.048 0.000
C6 -1.394 -1.649 0.000
H7 2.522 2.827 0.000
H8 -0.528 0.785 0.884
H9 -0.528 0.785 -0.884
H10 1.968 0.543 0.883
H11 1.968 0.543 -0.883
H12 0.987 2.862 -0.886
H13 0.987 2.862 0.886
H14 0.491 -1.511 -0.885
H15 0.491 -1.511 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53522.53661.54533.49752.48863.49211.09501.09502.16092.16092.78612.78612.17322.1732
C21.53521.53502.53884.93183.83592.18172.16672.16671.09671.09672.17462.17462.76652.7665
C32.53661.53503.90736.01475.02451.09352.77052.77052.16762.16761.09441.09444.19384.1938
C41.54532.53883.90732.61641.45404.71392.16852.16852.75672.75674.21774.21771.09631.0963
N53.49754.93186.01472.61641.16256.98933.55573.55575.22785.22786.07926.07923.15133.1513
C62.48863.83595.02451.45401.16255.94792.73112.73114.10964.10965.17775.17772.08652.0865
H73.49212.18171.09354.71396.98935.94793.77543.77542.51092.51091.77321.77324.87164.8716
H81.09502.16672.77052.16853.55572.73113.77541.76822.50703.06733.12132.57063.07212.5119
H91.09502.16672.77052.16853.55572.73113.77541.76823.06732.50702.57063.12132.51193.0721
H102.16091.09672.16762.75675.22784.10962.51092.50703.06731.76663.07752.51783.08672.5303
H112.16091.09672.16762.75675.22784.10962.51093.06732.50701.76662.51783.07752.53033.0867
H122.78612.17461.09444.21776.07925.17771.77323.12132.57063.07752.51781.77274.40144.7444
H132.78612.17461.09444.21776.07925.17771.77322.57063.12132.51783.07751.77274.74444.4014
H142.17322.76654.19381.09633.15132.08654.87163.07212.51193.08672.53034.40144.74441.7692
H152.17322.76654.19381.09633.15132.08654.87162.51193.07212.53033.08674.74444.40141.7692

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.417 C1 C2 H10 109.241
C1 C2 H11 109.241 C1 C4 C6 112.104
C1 C4 H14 109.531 C1 C4 H15 109.531
C2 C1 C4 111.004 C2 C1 H8 109.796
C2 C1 H9 109.796 C2 C3 H7 111.083
C2 C3 H12 110.463 C2 C3 H13 110.463
C3 C2 H10 109.778 C3 C2 H11 109.778
C4 C1 H8 109.246 C4 C1 H9 109.246
C4 C6 N5 179.239 C6 C4 H14 108.989
C6 C4 H15 108.989 H7 C3 H12 108.284
H7 C3 H13 108.284 H8 C1 H9 107.687
H10 C2 H11 107.292 H12 C3 H13 108.171
H14 C4 H15 107.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.391      
2 C -0.429      
3 C -0.601      
4 C -0.490      
5 N -0.490      
6 C 0.351      
7 H 0.212      
8 H 0.230      
9 H 0.230      
10 H 0.212      
11 H 0.212      
12 H 0.209      
13 H 0.209      
14 H 0.268      
15 H 0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.543 1.734 0.000 3.944
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.206 -7.474 0.000
y -7.474 -41.206 0.000
z 0.000 0.000 -36.578
Traceless
 xyz
x -8.314 -7.474 0.000
y -7.474 0.686 0.000
z 0.000 0.000 7.629
Polar
3z2-r215.257
x2-y2-6.000
xy-7.474
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.880 1.671 0.000
y 1.671 7.915 0.000
z 0.000 0.000 6.201


<r2> (average value of r2) Å2
<r2> 256.965
(<r2>)1/2 16.030