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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B3LYP/CEP-121G*

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-121G*
 hartrees
Energy at 0K-43.575093
Energy at 298.15K-43.584433
Nuclear repulsion energy115.059947
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-121G*
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' 3085 2990 52.52      
2 A' 3036 2943 38.37      
3 A' 3026 2933 13.96      
4 A' 3013 2921 29.59      
5 A' 3000 2908 31.27      
6 A' 2301 2230 11.16      
7 A' 1520 1473 7.81      
8 A' 1506 1460 1.06      
9 A' 1496 1450 1.28      
10 A' 1481 1436 3.10      
11 A' 1422 1378 2.16      
12 A' 1400 1357 0.55      
13 A' 1351 1310 2.67      
14 A' 1273 1234 2.42      
15 A' 1116 1082 3.69      
16 A' 1049 1017 0.14      
17 A' 1002 972 0.67      
18 A' 920 892 0.31      
19 A' 887 860 3.70      
20 A' 528 511 1.70      
21 A' 375 364 0.63      
22 A' 274 266 0.69      
23 A' 124 120 5.61      
24 A" 3087 2993 102.99      
25 A" 3079 2985 12.69      
26 A" 3061 2967 1.95      
27 A" 3028 2935 10.61      
28 A" 1511 1464 7.89      
29 A" 1331 1290 0.12      
30 A" 1310 1270 0.69      
31 A" 1235 1197 0.00      
32 A" 1134 1099 0.06      
33 A" 928 899 0.37      
34 A" 784 760 0.04      
35 A" 725 703 3.69      
36 A" 370 359 0.04      
37 A" 236 229 0.09      
38 A" 109 106 0.09      
39 A" 82 80 4.04      

Unscaled Zero Point Vibrational Energy (zpe) 28596.3 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 27721.2 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/CEP-121G*
ABC
0.49861 0.04342 0.04116

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.353 0.000
C2 1.510 0.675 0.000
C3 1.792 2.193 0.000
C4 -0.266 -1.177 0.000
N5 -2.853 -1.733 0.000
C6 -1.712 -1.500 0.000
H7 2.870 2.395 0.000
H8 -0.480 0.801 0.881
H9 -0.480 0.801 -0.881
H10 1.982 0.214 0.881
H11 1.982 0.214 -0.881
H12 1.361 2.678 -0.887
H13 1.361 2.678 0.887
H14 0.186 -1.648 -0.883
H15 0.186 -1.648 0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54392.56781.55343.53402.52273.52231.09851.09852.17382.17382.83552.83552.19532.1953
C21.54391.54362.56634.98303.88712.19272.17992.17991.10081.10082.19502.19502.81572.8157
C32.56781.54363.94866.08105.09001.09752.80622.80622.17422.17421.09841.09844.25534.2553
C41.55342.56633.94862.64521.48084.75362.17552.17552.78742.78744.27684.27681.09841.0984
N53.53404.98306.08102.64521.16457.05613.58103.58105.28635.28636.16366.16363.16563.1656
C62.52273.88715.09001.48081.16456.01362.75422.75424.16664.16665.26095.26092.09842.0984
H73.52232.19271.09754.75367.05616.01363.81343.81342.51382.51381.77321.77324.93234.9323
H81.09852.17992.80622.17553.58102.75423.81341.76232.53113.08423.16812.62903.09052.5374
H91.09852.17992.80622.17553.58102.75423.81341.76233.08422.53112.62903.16812.53743.0905
H102.17381.10082.17422.78745.28634.16662.51382.53113.08421.76233.09482.54023.13162.5873
H112.17381.10082.17422.78745.28634.16662.51383.08422.53111.76232.54023.09482.58733.1316
H122.83552.19501.09844.27686.16365.26091.77323.16812.62903.09482.54021.77334.48204.8187
H132.83552.19501.09844.27686.16365.26091.77322.62903.16812.54023.09481.77334.81874.4820
H142.19532.81574.25531.09843.16562.09844.93233.09052.53743.13162.58734.48204.81871.7663
H152.19532.81574.25531.09843.16562.09844.93232.53743.09052.58733.13164.81874.48201.7663

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.538 C1 C2 H10 109.417
C1 C2 H11 109.417 C1 C4 C6 112.471
C1 C4 H14 110.586 C1 C4 H15 110.586
C2 C1 C4 111.905 C2 C1 H8 110.027
C2 C1 H9 110.027 C2 C3 H7 111.117
C2 C3 H12 111.242 C2 C3 H13 111.242
C3 C2 H10 109.464 C3 C2 H11 109.464
C4 C1 H8 109.035 C4 C1 H9 109.035
C4 C6 N5 178.943 C6 C4 H14 107.978
C6 C4 H15 107.978 H7 C3 H12 107.706
H7 C3 H13 107.706 H8 C1 H9 106.663
H10 C2 H11 106.350 H12 C3 H13 107.653
H14 C4 H15 107.037
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.338      
2 C -0.229      
3 C -0.525      
4 C -0.278      
5 N 0.023      
6 C -0.183      
7 H 0.176      
8 H 0.170      
9 H 0.170      
10 H 0.150      
11 H 0.150      
12 H 0.162      
13 H 0.162      
14 H 0.197      
15 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.100 1.271 0.000 4.293
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.314 -7.223 0.000
y -7.223 -40.424 0.000
z 0.000 0.000 -36.946
Traceless
 xyz
x -12.629 -7.223 0.000
y -7.223 3.706 0.000
z 0.000 0.000 8.923
Polar
3z2-r217.846
x2-y2-10.890
xy-7.223
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.974 1.639 0.000
y 1.639 9.086 0.000
z 0.000 0.000 7.455


<r2> (average value of r2) Å2
<r2> 205.996
(<r2>)1/2 14.353