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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B3PW91/6-31G*

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*
 hartrees
Energy at 0K-250.600647
Energy at 298.15K-250.610106
Nuclear repulsion energy210.682928
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*
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' 3136 3000 31.24      
2 A' 3068 2935 37.20      
3 A' 3058 2925 3.36      
4 A' 3054 2922 19.35      
5 A' 3038 2907 20.65      
6 A' 2377 2274 12.75      
7 A' 1534 1468 7.30      
8 A' 1521 1455 1.13      
9 A' 1513 1447 1.00      
10 A' 1492 1427 3.25      
11 A' 1436 1374 3.15      
12 A' 1419 1357 0.48      
13 A' 1371 1311 2.69      
14 A' 1287 1232 1.16      
15 A' 1136 1087 4.99      
16 A' 1080 1033 0.26      
17 A' 1037 993 0.67      
18 A' 952 911 0.16      
19 A' 915 875 3.18      
20 A' 546 522 0.96      
21 A' 384 367 0.82      
22 A' 281 269 1.22      
23 A' 126 120 5.63      
24 A" 3131 2995 58.96      
25 A" 3118 2983 11.83      
26 A" 3097 2963 1.14      
27 A" 3072 2939 8.47      
28 A" 1525 1459 8.41      
29 A" 1345 1287 0.13      
30 A" 1327 1270 0.68      
31 A" 1252 1198 0.11      
32 A" 1148 1098 0.00      
33 A" 941 901 1.14      
34 A" 799 764 0.03      
35 A" 739 707 5.52      
36 A" 395 378 0.43      
37 A" 246 236 0.09      
38 A" 115 110 0.40      
39 A" 89 85 3.78      

Unscaled Zero Point Vibrational Energy (zpe) 29049.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 27791.4 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*
ABC
0.50824 0.04414 0.04187

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.409 0.000
C2 1.424 0.964 0.000
C3 1.460 2.491 0.000
C4 -0.020 -1.129 0.000
N5 -2.457 -2.098 0.000
C6 -1.375 -1.677 0.000
H7 2.490 2.863 0.000
H8 -0.545 0.775 0.879
H9 -0.545 0.775 -0.879
H10 1.964 0.583 0.879
H11 1.964 0.583 -0.879
H12 0.958 2.899 -0.885
H13 0.958 2.899 0.885
H14 0.509 -1.517 -0.881
H15 0.509 -1.517 0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52902.54321.53773.51022.49853.49661.09721.09722.15842.15842.81112.81112.17742.1774
C21.52901.52712.54294.94423.84912.17752.16492.16491.09921.09922.17822.17822.78712.7871
C32.54321.52713.91066.03365.04121.09542.78182.78182.15972.15971.09651.09654.21204.2120
C41.53772.54293.91062.62331.46224.71552.16162.16162.76372.76374.23834.23831.09771.0977
N53.51024.94426.03362.62331.16117.00653.56133.56135.24475.24476.11686.11683.14823.1482
C62.49853.84915.04121.46221.16115.96302.73402.73404.12684.12685.21245.21242.08582.0858
H73.49662.17751.09544.71557.00655.96303.78773.78772.49922.49921.77031.77034.88704.8870
H81.09722.16492.78182.16163.56132.73403.78771.75872.51553.06923.14382.60203.07522.5218
H91.09722.16492.78182.16163.56132.73403.78771.75873.06922.51552.60203.14382.52183.0752
H102.15841.09922.15972.76375.24474.12682.49922.51553.06921.75803.07982.52463.10202.5548
H112.15841.09922.15972.76375.24474.12682.49923.06922.51551.75802.52463.07982.55483.1020
H122.81112.17821.09654.23836.11685.21241.77033.14382.60203.07982.52461.77004.43844.7767
H132.81112.17821.09654.23836.11685.21241.77032.60203.14382.52463.07981.77004.77674.4384
H142.17742.78714.21201.09773.14822.08584.88703.07522.52183.10202.55484.43844.77671.7611
H152.17742.78714.21201.09773.14822.08584.88702.52183.07522.55483.10204.77674.43841.7611

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.645 C1 C2 H10 109.336
C1 C2 H11 109.336 C1 C4 C6 112.756
C1 C4 H14 110.306 C1 C4 H15 110.306
C2 C1 C4 112.035 C2 C1 H8 109.958
C2 C1 H9 109.958 C2 C3 H7 111.193
C2 C3 H12 111.187 C2 C3 H13 111.187
C3 C2 H10 109.560 C3 C2 H11 109.560
C4 C1 H8 109.097 C4 C1 H9 109.097
C4 C6 N5 179.210 C6 C4 H14 108.289
C6 C4 H15 108.289 H7 C3 H12 107.734
H7 C3 H13 107.734 H8 C1 H9 106.536
H10 C2 H11 106.198 H12 C3 H13 107.632
H14 C4 H15 106.679
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.312     0.084
2 C -0.310     0.106
3 C -0.511     -0.386
4 C -0.399     -0.400
5 N -0.490     -0.472
6 C 0.368     0.411
7 H 0.175     0.108
8 H 0.185     0.028
9 H 0.185     0.028
10 H 0.165     0.005
11 H 0.165     0.005
12 H 0.172     0.096
13 H 0.172     0.096
14 H 0.218     0.146
15 H 0.218     0.146


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.744 1.892 0.000 4.195
CHELPG        
AIM        
ESP 3.747 1.895 0.000 4.199


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.215 -8.054 0.000
y -8.054 -41.641 0.000
z 0.000 0.000 -36.265
Traceless
 xyz
x -8.263 -8.054 0.000
y -8.054 0.099 0.000
z 0.000 0.000 8.163
Polar
3z2-r216.327
x2-y2-5.575
xy-8.054
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 258.334
(<r2>)1/2 16.073