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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-43.551151
Energy at 298.15K-43.560434
Nuclear repulsion energy114.569907
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3111 3004 55.19      
2 A' 3063 2958 38.15      
3 A' 3054 2950 10.68      
4 A' 3040 2936 28.63      
5 A' 3030 2926 34.04      
6 A' 2341 2261 18.86      
7 A' 1508 1456 8.93      
8 A' 1495 1444 1.57      
9 A' 1486 1435 1.60      
10 A' 1471 1421 3.46      
11 A' 1414 1366 2.35      
12 A' 1397 1349 1.31      
13 A' 1341 1295 1.94      
14 A' 1262 1218 2.75      
15 A' 1115 1077 5.52      
16 A' 1057 1021 0.32      
17 A' 1013 979 0.42      
18 A' 925 893 0.42      
19 A' 893 862 4.66      
20 A' 525 507 2.35      
21 A' 375 362 0.72      
22 A' 273 264 0.63      
23 A' 122 118 5.17      
24 A" 3120 3013 105.26      
25 A" 3109 3003 30.92      
26 A" 3093 2987 3.25      
27 A" 3061 2956 8.01      
28 A" 1499 1448 9.12      
29 A" 1325 1280 0.20      
30 A" 1302 1257 0.34      
31 A" 1224 1182 0.01      
32 A" 1111 1073 0.40      
33 A" 913 882 0.79      
34 A" 770 743 0.14      
35 A" 713 688 7.32      
36 A" 368 356 0.00      
37 A" 233 225 0.06      
38 A" 111 107 0.13      
39 A" 81 79 4.04      

Unscaled Zero Point Vibrational Energy (zpe) 28672.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 27688.6 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 B3LYP/CEP-31G*
ABC
0.49126 0.04317 0.04091

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.356 0.000
C2 1.511 0.691 0.000
C3 1.767 2.218 0.000
C4 -0.247 -1.181 0.000
N5 -2.850 -1.769 0.000
C6 -1.697 -1.521 0.000
H7 2.847 2.441 0.000
H8 -0.486 0.799 0.887
H9 -0.486 0.799 -0.887
H10 1.989 0.235 0.887
H11 1.989 0.235 -0.887
H12 1.322 2.695 -0.892
H13 1.322 2.695 0.892
H14 0.209 -1.649 -0.889
H15 0.209 -1.649 0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54782.56701.55653.55512.53013.52961.10411.10412.18152.18152.83142.83142.20292.2029
C21.54781.54842.56815.00723.89672.20222.18802.18801.10621.10622.20172.20172.82142.8214
C32.56701.54843.95096.10035.09681.10372.80662.80662.18402.18401.10481.10484.26274.2627
C41.55652.56813.95092.66881.48944.76422.18252.18252.79152.79154.27594.27591.10331.1033
N53.55515.00726.10032.66881.17957.08463.60113.60115.31265.31266.17546.17543.18823.1882
C62.53013.89675.09681.48941.17956.02922.76262.76264.17844.17845.26185.26182.10742.1074
H73.52962.20221.10374.76427.08466.02923.82093.82092.52822.52821.78491.78494.94784.9478
H81.10412.18802.80662.18253.60112.76263.82091.77332.53923.09723.16732.62063.10292.5446
H91.10412.18802.80662.18253.60112.76263.82091.77333.09722.53922.62063.16732.54463.1029
H102.18151.10622.18402.79155.31264.17842.52822.53923.09721.77393.10842.54893.14192.5918
H112.18151.10622.18402.79155.31264.17842.52823.09722.53921.77392.54893.10842.59183.1419
H122.83142.20171.10484.27596.17545.26181.78493.16732.62063.10842.54891.78434.48434.8251
H132.83142.20171.10484.27596.17545.26181.78492.62063.16732.54893.10841.78434.82514.4843
H142.20292.82144.26271.10333.18822.10744.94783.10292.54463.14192.59184.48434.82511.7780
H152.20292.82144.26271.10333.18822.10744.94782.54463.10292.59183.14194.82514.48431.7780

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.012 C1 C2 H10 109.440
C1 C2 H11 109.440 C1 C4 C6 112.313
C1 C4 H14 110.675 C1 C4 H15 110.675
C2 C1 C4 111.641 C2 C1 H8 110.070
C2 C1 H9 110.070 C2 C3 H7 111.167
C2 C3 H12 111.058 C2 C3 H13 111.058
C3 C2 H10 109.595 C3 C2 H11 109.595
C4 C1 H8 109.044 C4 C1 H9 109.044
C4 C6 N5 178.973 C6 C4 H14 107.811
C6 C4 H15 107.811 H7 C3 H12 107.844
H7 C3 H13 107.844 H8 C1 H9 106.844
H10 C2 H11 106.612 H12 C3 H13 107.714
H14 C4 H15 107.363
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.363      
2 C -0.159      
3 C -0.399      
4 C -0.187      
5 N 0.374      
6 C -0.567      
7 H 0.177      
8 H 0.146      
9 H 0.146      
10 H 0.116      
11 H 0.116      
12 H 0.137      
13 H 0.137      
14 H 0.164      
15 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.162 1.361 0.000 4.379
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.657 -7.590 0.000
y -7.590 -40.060 0.000
z 0.000 0.000 -36.106
Traceless
 xyz
x -12.574 -7.590 0.000
y -7.590 3.322 0.000
z 0.000 0.000 9.252
Polar
3z2-r218.504
x2-y2-10.597
xy-7.590
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.287 1.848 0.000
y 1.848 8.595 0.000
z 0.000 0.000 6.548


<r2> (average value of r2) Å2
<r2> 206.690
(<r2>)1/2 14.377