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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-250.373382
Energy at 298.15K-250.382676
Nuclear repulsion energy209.476330
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 PBEPBE/6-31+G**
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' 3059 3024 29.11      
2 A' 2986 2952 39.94      
3 A' 2975 2941 20.48      
4 A' 2973 2939 5.00      
5 A' 2957 2923 22.81      
6 A' 2269 2243 16.60      
7 A' 1464 1447 10.60      
8 A' 1451 1435 1.45      
9 A' 1443 1427 0.95      
10 A' 1420 1404 4.10      
11 A' 1367 1352 4.23      
12 A' 1350 1335 0.26      
13 A' 1307 1292 2.57      
14 A' 1231 1217 0.92      
15 A' 1091 1079 4.50      
16 A' 1047 1035 0.24      
17 A' 1004 993 1.57      
18 A' 923 912 0.03      
19 A' 884 874 2.77      
20 A' 524 518 1.64      
21 A' 374 370 0.72      
22 A' 270 267 0.65      
23 A' 122 120 5.74      
24 A" 3051 3016 49.66      
25 A" 3036 3002 14.80      
26 A" 3013 2979 0.88      
27 A" 2991 2957 8.35      
28 A" 1455 1439 10.68      
29 A" 1289 1275 0.17      
30 A" 1271 1256 0.69      
31 A" 1198 1184 0.05      
32 A" 1096 1084 0.06      
33 A" 903 893 0.76      
34 A" 769 761 0.10      
35 A" 716 708 4.62      
36 A" 374 370 0.04      
37 A" 238 235 0.10      
38 A" 112 111 0.45      
39 A" 84 83 3.86      

Unscaled Zero Point Vibrational Energy (zpe) 28042.7 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 27723.0 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 PBEPBE/6-31+G**
ABC
0.50439 0.04363 0.04141

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.413 0.000
C2 1.431 0.970 0.000
C3 1.469 2.504 0.000
C4 -0.022 -1.133 0.000
N5 -2.472 -2.114 0.000
C6 -1.378 -1.687 0.000
H7 2.506 2.878 0.000
H8 -0.549 0.782 0.885
H9 -0.549 0.782 -0.885
H10 1.973 0.585 0.885
H11 1.973 0.585 -0.885
H12 0.964 2.915 -0.890
H13 0.964 2.915 0.890
H14 0.511 -1.523 -0.886
H15 0.511 -1.523 0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53542.55511.54583.53512.51183.51521.10481.10482.16902.16902.82542.82542.18952.1895
C21.53541.53382.55604.97423.86642.19022.17642.17641.10681.10682.18962.18962.80082.8008
C32.55511.53383.93016.07085.06621.10232.79632.79632.17172.17171.10361.10364.23234.2323
C41.54582.55603.93012.63871.46454.74122.17382.17382.77752.77754.26034.26031.10571.1057
N53.53514.97426.07082.63871.17437.05003.58743.58745.27495.27496.15566.15563.16773.1677
C62.51183.86645.06621.46451.17435.99382.75082.75084.14414.14415.24005.24002.09332.0933
H73.51522.19021.10234.74127.05005.99383.80903.80902.51502.51501.78111.78114.91244.9124
H81.10482.17642.79632.17383.58742.75083.80901.77052.52913.08703.16102.61513.09392.5365
H91.10482.17642.79632.17383.58742.75083.80901.77053.08702.52912.61513.16102.53653.0939
H102.16901.10682.17172.77755.27494.14412.51502.52913.08701.76963.09822.53923.11702.5650
H112.16901.10682.17172.77755.27494.14412.51503.08702.52911.76962.53923.09822.56503.1170
H122.82542.18961.10364.26036.15565.24001.78113.16102.61513.09822.53921.78094.46094.8017
H132.82542.18961.10364.26036.15565.24001.78112.61513.16102.53923.09821.78094.80174.4609
H142.18952.80084.23231.10573.16772.09334.91243.09392.53653.11702.56504.46094.80171.7726
H152.18952.80084.23231.10573.16772.09334.91242.53653.09392.56503.11704.80174.46091.7726

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.712 C1 C2 H10 109.285
C1 C2 H11 109.285 C1 C4 C6 113.077
C1 C4 H14 110.228 C1 C4 H15 110.228
C2 C1 C4 112.106 C2 C1 H8 109.973
C2 C1 H9 109.973 C2 C3 H7 111.316
C2 C3 H12 111.192 C2 C3 H13 111.192
C3 C2 H10 109.597 C3 C2 H11 109.597
C4 C1 H8 109.060 C4 C1 H9 109.060
C4 C6 N5 179.090 C6 C4 H14 108.253
C6 C4 H15 108.253 H7 C3 H12 107.689
H7 C3 H13 107.689 H8 C1 H9 106.504
H10 C2 H11 106.152 H12 C3 H13 107.582
H14 C4 H15 106.563
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.277      
2 C -0.123      
3 C -0.698      
4 C -0.043      
5 N -0.484      
6 C -0.016      
7 H 0.174      
8 H 0.185      
9 H 0.185      
10 H 0.167      
11 H 0.167      
12 H 0.173      
13 H 0.173      
14 H 0.209      
15 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.914 1.997 0.000 4.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.950 -8.358 0.000
y -8.358 -43.175 0.000
z 0.000 0.000 -37.453
Traceless
 xyz
x -8.636 -8.358 0.000
y -8.358 0.027 0.000
z 0.000 0.000 8.609
Polar
3z2-r217.217
x2-y2-5.775
xy-8.358
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.185 2.065 0.000
y 2.065 10.309 0.000
z 0.000 0.000 7.707


<r2> (average value of r2) Å2
<r2> 261.873
(<r2>)1/2 16.182