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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-250.351608
Energy at 298.15K-250.360928
Nuclear repulsion energy209.539381
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/6-31G*
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' 3064 3020 28.95      
2 A' 2990 2948 41.69      
3 A' 2983 2940 17.28      
4 A' 2975 2933 1.15      
5 A' 2961 2919 19.32      
6 A' 2283 2250 10.88      
7 A' 1492 1470 6.56      
8 A' 1478 1457 1.05      
9 A' 1468 1447 0.91      
10 A' 1447 1426 3.02      
11 A' 1390 1370 2.67      
12 A' 1367 1348 0.26      
13 A' 1325 1306 3.28      
14 A' 1245 1228 1.73      
15 A' 1102 1086 4.80      
16 A' 1054 1039 0.32      
17 A' 1011 997 0.98      
18 A' 930 916 0.03      
19 A' 891 878 2.82      
20 A' 529 521 1.12      
21 A' 375 369 0.76      
22 A' 272 268 0.94      
23 A' 122 121 5.08      
24 A" 3056 3013 49.54      
25 A" 3038 2995 18.84      
26 A" 3012 2969 0.19      
27 A" 2994 2951 8.63      
28 A" 1481 1460 8.12      
29 A" 1304 1285 0.14      
30 A" 1287 1268 0.66      
31 A" 1214 1197 0.15      
32 A" 1112 1096 0.00      
33 A" 913 900 1.18      
34 A" 777 765 0.06      
35 A" 723 712 5.70      
36 A" 383 378 0.20      
37 A" 242 238 0.08      
38 A" 114 112 0.44      
39 A" 86 85 3.44      

Unscaled Zero Point Vibrational Energy (zpe) 28243.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 27839.5 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/6-31G*
ABC
0.50279 0.04372 0.04147

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.412 0.000
C2 1.430 0.970 0.000
C3 1.466 2.502 0.000
C4 -0.020 -1.133 0.000
N5 -2.471 -2.110 0.000
C6 -1.377 -1.687 0.000
H7 2.503 2.878 0.000
H8 -0.550 0.781 0.885
H9 -0.550 0.781 -0.885
H10 1.973 0.584 0.885
H11 1.973 0.584 -0.885
H12 0.959 2.913 -0.891
H13 0.959 2.913 0.891
H14 0.517 -1.521 -0.886
H15 0.517 -1.521 0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53492.55291.54543.53122.50983.51381.10541.10542.16912.16912.82272.82272.18822.1882
C21.53491.53282.55444.97043.86422.18962.17682.17681.10741.10742.18902.18902.79632.7963
C32.55291.53283.92736.06435.06201.10302.79462.79462.17212.17211.10431.10434.22694.2269
C41.54542.55443.92732.63841.46484.73912.17422.17422.77582.77584.25724.25721.10651.1065
N53.53124.97046.06432.63841.17377.04473.58263.58265.27185.27186.14776.14773.17243.1724
C62.50983.86425.06201.46481.17375.99072.74862.74864.14224.14225.23485.23482.09762.0976
H73.51382.18961.10304.73917.04475.99073.80813.80812.51542.51541.78271.78274.90704.9070
H81.10542.17682.79462.17423.58262.74863.80811.77092.53003.08803.15882.61203.09402.5367
H91.10542.17682.79462.17423.58262.74863.80811.77093.08802.53002.61203.15882.53673.0940
H102.16911.10742.17212.77585.27184.14222.51542.53003.08801.77003.09912.53983.11202.5590
H112.16911.10742.17212.77585.27184.14222.51543.08802.53001.77002.53983.09912.55903.1120
H122.82272.18901.10434.25726.14775.23481.78273.15882.61203.09912.53981.78174.45554.7968
H132.82272.18901.10434.25726.14775.23481.78272.61203.15882.53983.09911.78174.79684.4555
H142.18822.79634.22691.10653.17242.09764.90703.09402.53673.11202.55904.45554.79681.7720
H152.18822.79634.22691.10653.17242.09764.90702.53673.09402.55903.11204.79684.45551.7720

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.648 C1 C2 H10 109.283
C1 C2 H11 109.283 C1 C4 C6 112.946
C1 C4 H14 110.107 C1 C4 H15 110.107
C2 C1 C4 112.052 C2 C1 H8 110.003
C2 C1 H9 110.003 C2 C3 H7 111.297
C2 C3 H12 111.173 C2 C3 H13 111.173
C3 C2 H10 109.660 C3 C2 H11 109.660
C4 C1 H8 109.081 C4 C1 H9 109.081
C4 C6 N5 178.983 C6 C4 H14 108.523
C6 C4 H15 108.523 H7 C3 H12 107.732
H7 C3 H13 107.732 H8 C1 H9 106.455
H10 C2 H11 106.093 H12 C3 H13 107.555
H14 C4 H15 106.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.286      
2 C -0.283      
3 C -0.485      
4 C -0.386      
5 N -0.470      
6 C 0.361      
7 H 0.164      
8 H 0.172      
9 H 0.172      
10 H 0.153      
11 H 0.153      
12 H 0.163      
13 H 0.163      
14 H 0.204      
15 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.665 1.880 0.000 4.119
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.083 -7.845 0.000
y -7.845 -41.659 0.000
z 0.000 0.000 -36.455
Traceless
 xyz
x -8.026 -7.845 0.000
y -7.845 0.110 0.000
z 0.000 0.000 7.915
Polar
3z2-r215.831
x2-y2-5.424
xy-7.845
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.834 1.972 0.000
y 1.972 8.931 0.000
z 0.000 0.000 6.783


<r2> (average value of r2) Å2
<r2> 260.615
(<r2>)1/2 16.144