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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: PBEPBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-250.407023
Energy at 298.15K-250.416361
Nuclear repulsion energy210.051825
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/6-311G*
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' 3043 3011 36.39      
2 A' 2978 2947 48.15      
3 A' 2968 2937 18.34      
4 A' 2965 2934 5.39      
5 A' 2949 2918 21.68      
6 A' 2275 2251 11.34      
7 A' 1478 1462 11.32      
8 A' 1463 1448 2.46      
9 A' 1451 1436 0.66      
10 A' 1433 1418 3.66      
11 A' 1376 1362 4.96      
12 A' 1357 1343 0.24      
13 A' 1317 1304 2.47      
14 A' 1242 1229 0.45      
15 A' 1097 1085 4.94      
16 A' 1049 1038 0.18      
17 A' 1008 997 1.18      
18 A' 927 918 0.05      
19 A' 887 878 2.91      
20 A' 534 529 1.10      
21 A' 375 371 0.69      
22 A' 274 271 0.76      
23 A' 123 122 5.18      
24 A" 3036 3004 69.80      
25 A" 3022 2990 14.58      
26 A" 2997 2966 0.44      
27 A" 2976 2945 8.27      
28 A" 1469 1454 10.67      
29 A" 1306 1292 0.10      
30 A" 1288 1274 0.79      
31 A" 1211 1198 0.13      
32 A" 1109 1097 0.01      
33 A" 910 901 0.90      
34 A" 772 764 0.06      
35 A" 715 708 5.30      
36 A" 384 380 0.08      
37 A" 237 235 0.12      
38 A" 112 111 0.41      
39 A" 85 84 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 28098.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 27806.5 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/6-311G*
ABC
0.50538 0.04391 0.04166

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.410 0.000
C2 1.428 0.965 0.000
C3 1.468 2.495 0.000
C4 -0.025 -1.133 0.000
N5 -2.466 -2.099 0.000
C6 -1.378 -1.681 0.000
H7 2.503 2.870 0.000
H8 -0.549 0.780 0.883
H9 -0.549 0.780 -0.883
H10 1.971 0.579 0.882
H11 1.971 0.579 -0.882
H12 0.965 2.909 -0.888
H13 0.965 2.909 0.888
H14 0.510 -1.523 -0.883
H15 0.510 -1.523 0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53252.55031.54273.51812.50433.50971.10331.10332.16642.16642.82282.82282.18552.1855
C21.53251.53052.55194.95553.85722.18722.17342.17341.10531.10532.18732.18732.79522.7952
C32.55031.53053.92296.04875.05391.10072.79122.79122.16812.16811.10191.10194.22394.2239
C41.54272.55193.92292.62561.45994.73412.17052.17052.77392.77394.25524.25521.10411.1041
N53.51814.95556.04872.62561.16597.02763.56973.56975.25785.25786.13586.13583.15783.1578
C62.50433.85725.05391.45991.16595.98132.74292.74294.13594.13595.23005.23002.09052.0905
H73.50972.18721.10074.73417.02765.98133.80313.80312.51152.51151.77671.77674.90404.9040
H81.10332.17342.79122.17053.56972.74293.80311.76502.52843.08333.15642.61293.08932.5348
H91.10332.17342.79122.17053.56972.74293.80311.76503.08332.52842.61293.15642.53483.0893
H102.16641.10532.16812.77395.25784.13592.51152.52843.08331.76453.09452.53803.10992.5602
H112.16641.10532.16812.77395.25784.13592.51153.08332.52841.76452.53803.09452.56023.1099
H122.82282.18731.10194.25526.13585.23001.77673.15642.61293.09452.53801.77664.45564.7949
H132.82282.18731.10194.25526.13585.23001.77672.61293.15642.53803.09451.77664.79494.4556
H142.18552.79524.22391.10413.15782.09054.90403.08932.53483.10992.56024.45564.79491.7666
H152.18552.79524.22391.10413.15782.09054.90402.53483.08932.56023.10994.79494.45561.7666

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.736 C1 C2 H10 109.357
C1 C2 H11 109.357 C1 C4 C6 113.005
C1 C4 H14 110.220 C1 C4 H15 110.220
C2 C1 C4 112.163 C2 C1 H8 110.023
C2 C1 H9 110.023 C2 C3 H7 111.415
C2 C3 H12 111.348 C2 C3 H13 111.348
C3 C2 H10 109.625 C3 C2 H11 109.625
C4 C1 H8 109.104 C4 C1 H9 109.104
C4 C6 N5 178.919 C6 C4 H14 108.443
C6 C4 H15 108.443 H7 C3 H12 107.541
H7 C3 H13 107.541 H8 C1 H9 106.241
H10 C2 H11 105.910 H12 C3 H13 107.439
H14 C4 H15 106.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.421      
2 C -0.426      
3 C -0.638      
4 C -0.486      
5 N -0.233      
6 C 0.132      
7 H 0.223      
8 H 0.233      
9 H 0.233      
10 H 0.214      
11 H 0.214      
12 H 0.219      
13 H 0.219      
14 H 0.259      
15 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.704 1.865 0.000 4.147
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.016 -7.881 0.000
y -7.881 -42.598 0.000
z 0.000 0.000 -37.115
Traceless
 xyz
x -8.160 -7.881 0.000
y -7.881 -0.032 0.000
z 0.000 0.000 8.192
Polar
3z2-r216.384
x2-y2-5.418
xy-7.881
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.385 1.939 0.000
y 1.939 9.639 0.000
z 0.000 0.000 7.243


<r2> (average value of r2) Å2
<r2> 260.158
(<r2>)1/2 16.129