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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-250.517404
Energy at 298.15K-250.509111
HF Energy-250.714743
Nuclear repulsion energy210.641277
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/6-31G(2df,p)
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' 3108 2999 30.67      
2 A' 3045 2938 36.90      
3 A' 3035 2929 8.87      
4 A' 3032 2926 12.24      
5 A' 3015 2909 18.39      
6 A' 2362 2279 11.64      
7 A' 1512 1459 4.61      
8 A' 1498 1445 0.50      
9 A' 1486 1434 0.99      
10 A' 1469 1417 2.17      
11 A' 1414 1365 1.32      
12 A' 1398 1349 0.29      
13 A' 1358 1310 3.28      
14 A' 1279 1234 4.05      
15 A' 1123 1084 2.92      
16 A' 1062 1025 0.21      
17 A' 1018 983 0.57      
18 A' 938 905 0.27      
19 A' 902 871 1.96      
20 A' 547 528 0.70      
21 A' 382 368 0.83      
22 A' 282 272 1.48      
23 A' 126 122 5.58      
24 A" 3102 2993 59.64      
25 A" 3090 2982 9.58      
26 A" 3068 2960 1.21      
27 A" 3043 2937 7.69      
28 A" 1500 1447 5.80      
29 A" 1332 1285 0.12      
30 A" 1314 1268 0.47      
31 A" 1242 1199 0.05      
32 A" 1139 1099 0.00      
33 A" 933 901 0.74      
34 A" 793 765 0.02      
35 A" 736 710 3.99      
36 A" 401 387 0.76      
37 A" 245 237 0.09      
38 A" 117 112 0.46      
39 A" 88 85 3.73      

Unscaled Zero Point Vibrational Energy (zpe) 28764.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 27757.2 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/6-31G(2df,p)
ABC
0.50760 0.04407 0.04181

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.408 0.000
C2 1.428 0.963 0.000
C3 1.466 2.493 0.000
C4 -0.024 -1.133 0.000
N5 -2.459 -2.092 0.000
C6 -1.381 -1.678 0.000
H7 2.496 2.863 0.000
H8 -0.545 0.774 0.878
H9 -0.545 0.774 -0.878
H10 1.966 0.581 0.878
H11 1.966 0.581 -0.878
H12 0.964 2.901 -0.884
H13 0.964 2.901 0.884
H14 0.504 -1.521 -0.879
H15 0.504 -1.521 0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53212.54931.54133.50692.50093.50121.09611.09612.15982.15982.81572.81572.17892.1789
C21.53211.53092.54974.94423.85482.17982.16742.16741.09801.09802.18042.18042.79212.7921
C32.54931.53093.92076.03635.04971.09412.78752.78752.16292.16291.09541.09544.22054.2205
C41.54132.54973.92072.61761.46204.72442.16322.16322.76882.76884.24664.24661.09641.0964
N53.50694.94426.03632.61761.15577.00783.55693.55695.24385.24386.11856.11853.14373.1437
C62.50093.85485.04971.46201.15575.97032.73472.73474.13144.13145.21955.21952.08582.0858
H73.50122.17981.09414.72447.00785.97033.79213.79212.50222.50221.76891.76894.89494.8949
H81.09612.16742.78752.16323.55692.73473.79211.75592.51783.06953.14742.60803.07482.5233
H91.09612.16742.78752.16323.55692.73473.79211.75593.06952.51782.60803.14742.52333.0748
H102.15981.09802.16292.76885.24384.13142.50222.51783.06951.75553.08092.52753.10482.5599
H112.15981.09802.16292.76885.24384.13142.50223.06952.51781.75552.52753.08092.55993.1048
H122.81572.18041.09544.24666.11855.21951.76893.14742.60803.08092.52751.76804.44604.7829
H132.81572.18041.09544.24666.11855.21951.76892.60803.14742.52753.08091.76804.78294.4460
H142.17892.79214.22051.09643.14372.08584.89493.07482.52333.10482.55994.44604.78291.7584
H152.17892.79214.22051.09643.14372.08584.89492.52333.07482.55993.10484.78294.44601.7584

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 109.294
C1 C2 H11 109.294 C1 C4 C6 112.603
C1 C4 H14 110.390 C1 C4 H15 110.390
C2 C1 C4 112.112 C2 C1 H8 109.941
C2 C1 H9 109.941 C2 C3 H7 111.172
C2 C3 H12 111.152 C2 C3 H13 111.152
C3 C2 H10 109.567 C3 C2 H11 109.567
C4 C1 H8 109.069 C4 C1 H9 109.069
C4 C6 N5 178.853 C6 C4 H14 108.191
C6 C4 H15 108.191 H7 C3 H12 107.774
H7 C3 H13 107.774 H8 C1 H9 106.547
H10 C2 H11 106.222 H12 C3 H13 107.650
H14 C4 H15 106.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.160      
2 C -0.170      
3 C -0.385      
4 C -0.339      
5 N -0.305      
6 C 0.255      
7 H 0.119      
8 H 0.120      
9 H 0.120      
10 H 0.101      
11 H 0.101      
12 H 0.120      
13 H 0.120      
14 H 0.151      
15 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.722 1.877 0.000 4.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 258.794
(<r2>)1/2 16.087