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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-250.579157
Energy at 298.15K-250.588612
Nuclear repulsion energy211.590928
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 B1B95/6-31G(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' 3142 3009 25.94      
2 A' 3066 2937 31.77      
3 A' 3056 2927 4.29      
4 A' 3053 2924 17.69      
5 A' 3038 2909 17.85      
6 A' 2383 2282 13.40      
7 A' 1504 1440 5.79      
8 A' 1490 1427 0.85      
9 A' 1480 1417 0.87      
10 A' 1459 1397 2.64      
11 A' 1404 1345 2.05      
12 A' 1395 1336 0.45      
13 A' 1347 1290 2.93      
14 A' 1264 1210 2.73      
15 A' 1125 1078 3.23      
16 A' 1082 1036 0.26      
17 A' 1039 996 0.77      
18 A' 950 910 0.38      
19 A' 909 871 2.21      
20 A' 548 525 0.65      
21 A' 379 363 0.81      
22 A' 276 265 1.47      
23 A' 123 118 5.55      
24 A" 3134 3001 45.49      
25 A" 3120 2988 12.71      
26 A" 3098 2967 1.52      
27 A" 3074 2944 6.76      
28 A" 1493 1429 6.89      
29 A" 1324 1268 0.11      
30 A" 1305 1250 0.62      
31 A" 1233 1181 0.07      
32 A" 1129 1081 0.00      
33 A" 924 885 0.99      
34 A" 784 751 0.01      
35 A" 729 698 4.71      
36 A" 404 386 0.66      
37 A" 243 233 0.09      
38 A" 116 111 0.55      
39 A" 88 84 3.65      

Unscaled Zero Point Vibrational Energy (zpe) 28854.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 27633.9 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 B1B95/6-31G(2df,p)
ABC
0.51150 0.04456 0.04227

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.407 0.000
C2 1.420 0.956 0.000
C3 1.457 2.477 0.000
C4 -0.021 -1.124 0.000
N5 -2.449 -2.083 0.000
C6 -1.372 -1.668 0.000
H7 2.484 2.849 0.000
H8 -0.543 0.773 0.876
H9 -0.543 0.773 -0.876
H10 1.956 0.573 0.876
H11 1.956 0.573 -0.876
H12 0.955 2.883 -0.882
H13 0.955 2.883 0.882
H14 0.506 -1.511 -0.877
H15 0.506 -1.511 0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52282.53171.53163.49222.48753.48331.09401.09402.14972.14972.79652.79652.16922.1692
C21.52281.52152.53124.91983.83162.17132.15812.15811.09591.09592.16962.16962.77362.7736
C32.53171.52153.89336.00425.01861.09172.77032.77032.15462.15461.09311.09314.19304.1930
C41.53162.53123.89332.60961.45554.69732.15412.15412.74932.74934.21794.21791.09451.0945
N53.49224.91986.00422.60961.15436.97523.54313.54315.21765.21766.08466.08463.13503.1350
C62.48753.83165.01861.45551.15435.93882.72272.72274.10654.10655.18695.18692.07852.0785
H73.48332.17131.09174.69736.97525.93883.77383.77382.49542.49541.76511.76514.86754.8675
H81.09402.15812.77032.15413.54312.72273.77381.75242.50753.05903.12862.58793.06502.5137
H91.09402.15812.77032.15413.54312.72273.77381.75243.05902.50752.58793.12862.51373.0650
H102.14971.09592.15462.74935.21764.10652.49542.50753.05901.75173.07062.51773.08542.5388
H112.14971.09592.15462.74935.21764.10652.49543.05902.50751.75172.51773.07062.53883.0854
H122.79652.16961.09314.21796.08465.18691.76513.12862.58793.07062.51771.76394.41704.7545
H132.79652.16961.09314.21796.08465.18691.76512.58793.12862.51773.07061.76394.75454.4170
H142.16922.77364.19301.09453.13502.07854.86753.06502.51373.08542.53884.41704.75451.7550
H152.16922.77364.19301.09453.13502.07854.86752.51373.06502.53883.08544.75454.41701.7550

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.529 C1 C2 H10 109.267
C1 C2 H11 109.267 C1 C4 C6 112.741
C1 C4 H14 110.276 C1 C4 H15 110.276
C2 C1 C4 111.936 C2 C1 H8 110.036
C2 C1 H9 110.036 C2 C3 H7 111.317
C2 C3 H12 111.100 C2 C3 H13 111.100
C3 C2 H10 109.734 C3 C2 H11 109.734
C4 C1 H8 109.121 C4 C1 H9 109.121
C4 C6 N5 179.108 C6 C4 H14 108.368
C6 C4 H15 108.368 H7 C3 H12 107.788
H7 C3 H13 107.788 H8 C1 H9 106.431
H10 C2 H11 106.102 H12 C3 H13 107.576
H14 C4 H15 106.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198      
2 C -0.204      
3 C -0.408      
4 C -0.365      
5 N -0.321      
6 C 0.276      
7 H 0.130      
8 H 0.134      
9 H 0.134      
10 H 0.115      
11 H 0.115      
12 H 0.131      
13 H 0.131      
14 H 0.164      
15 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.724 1.887 0.000 4.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.994 -7.945 0.000
y -7.945 -41.471 0.000
z 0.000 0.000 -36.103
Traceless
 xyz
x -8.207 -7.945 0.000
y -7.945 0.078 0.000
z 0.000 0.000 8.129
Polar
3z2-r216.258
x2-y2-5.523
xy-7.945
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.715 1.817 0.000
y 1.817 9.049 0.000
z 0.000 0.000 6.933


<r2> (average value of r2) Å2
<r2> 256.065
(<r2>)1/2 16.002