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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-250.363343
Energy at 298.15K-250.372662
Nuclear repulsion energy209.597854
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' 3067 3025 26.91      
2 A' 2990 2949 38.91      
3 A' 2982 2941 18.02      
4 A' 2976 2935 1.11      
5 A' 2962 2922 18.43      
6 A' 2283 2251 11.09      
7 A' 1474 1454 6.01      
8 A' 1461 1441 0.94      
9 A' 1451 1431 0.85      
10 A' 1427 1408 3.13      
11 A' 1376 1357 2.44      
12 A' 1357 1339 0.26      
13 A' 1313 1295 3.21      
14 A' 1233 1216 1.74      
15 A' 1095 1080 4.50      
16 A' 1050 1035 0.30      
17 A' 1008 994 1.01      
18 A' 927 914 0.03      
19 A' 887 875 2.81      
20 A' 527 520 1.13      
21 A' 374 369 0.76      
22 A' 272 268 0.92      
23 A' 122 120 5.09      
24 A" 3059 3017 45.19      
25 A" 3041 2999 18.49      
26 A" 3015 2974 0.23      
27 A" 2997 2956 8.27      
28 A" 1464 1444 7.50      
29 A" 1294 1276 0.14      
30 A" 1276 1258 0.57      
31 A" 1203 1187 0.14      
32 A" 1100 1085 0.01      
33 A" 906 893 1.13      
34 A" 771 760 0.06      
35 A" 719 709 5.74      
36 A" 382 377 0.19      
37 A" 241 238 0.08      
38 A" 114 113 0.47      
39 A" 85 84 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 28140.0 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 27754.5 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
0.50440 0.04370 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 0.413 0.000
C2 1.430 0.970 0.000
C3 1.466 2.502 0.000
C4 -0.021 -1.132 0.000
N5 -2.470 -2.113 0.000
C6 -1.376 -1.687 0.000
H7 2.502 2.879 0.000
H8 -0.549 0.781 0.884
H9 -0.549 0.781 -0.884
H10 1.972 0.584 0.884
H11 1.972 0.584 -0.884
H12 0.960 2.913 -0.890
H13 0.960 2.913 0.890
H14 0.515 -1.521 -0.885
H15 0.515 -1.521 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53452.55281.54493.53262.51033.51281.10441.10442.16782.16782.82252.82252.18792.1879
C21.53451.53232.55454.97123.86432.18892.17582.17581.10641.10642.18792.18792.79752.7975
C32.55281.53233.92716.06595.06251.10162.79422.79422.17122.17121.10301.10304.22774.2277
C41.54492.55453.92712.63761.46404.73842.17292.17292.77512.77514.25674.25671.10551.1055
N53.53264.97126.06592.63761.17377.04523.58443.58445.27135.27136.14996.14993.16893.1689
C62.51033.86435.06251.46401.17375.99022.74902.74904.14134.14135.23555.23552.09452.0945
H73.51282.18891.10164.73847.04525.99023.80673.80672.51492.51491.78021.78024.90784.9078
H81.10442.17582.79422.17293.58442.74903.80671.76882.52903.08583.15772.61243.09242.5360
H91.10442.17582.79422.17293.58442.74903.80671.76883.08582.52902.61243.15772.53603.0924
H102.16781.10642.17122.77515.27134.14132.51492.52903.08581.76753.09702.53913.11202.5604
H112.16781.10642.17122.77515.27134.14132.51493.08582.52901.76752.53913.09702.56043.1120
H122.82252.18791.10304.25676.14995.23551.78023.15772.61243.09702.53911.77924.45634.7968
H132.82252.18791.10304.25676.14995.23551.78022.61243.15772.53913.09701.77924.79684.4563
H142.18792.79754.22771.10553.16892.09454.90783.09242.53603.11202.56044.45634.79681.7705
H152.18792.79754.22771.10553.16892.09454.90782.53603.09242.56043.11204.79684.45631.7705

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.690 C1 C2 H10 109.268
C1 C2 H11 109.268 C1 C4 C6 113.059
C1 C4 H14 110.170 C1 C4 H15 110.170
C2 C1 C4 112.103 C2 C1 H8 110.006
C2 C1 H9 110.006 C2 C3 H7 111.359
C2 C3 H12 111.192 C2 C3 H13 111.192
C3 C2 H10 109.684 C3 C2 H11 109.684
C4 C1 H8 109.074 C4 C1 H9 109.074
C4 C6 N5 179.038 C6 C4 H14 108.398
C6 C4 H15 108.398 H7 C3 H12 107.700
H7 C3 H13 107.700 H8 C1 H9 106.408
H10 C2 H11 106.027 H12 C3 H13 107.514
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 -0.211      
2 C -0.216      
3 C -0.370      
4 C -0.290      
5 N -0.471      
6 C 0.338      
7 H 0.125      
8 H 0.136      
9 H 0.136      
10 H 0.117      
11 H 0.117      
12 H 0.126      
13 H 0.126      
14 H 0.168      
15 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.667 1.895 0.000 4.127
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.047 -7.837 0.000
y -7.837 -41.586 0.000
z 0.000 0.000 -36.499
Traceless
 xyz
x -8.005 -7.837 0.000
y -7.837 0.187 0.000
z 0.000 0.000 7.818
Polar
3z2-r215.636
x2-y2-5.462
xy-7.837
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.926 1.998 0.000
y 1.998 9.059 0.000
z 0.000 0.000 6.856


<r2> (average value of r2) Å2
<r2> 260.619
(<r2>)1/2 16.144