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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-248.921343
Energy at 298.15K-248.931179
Nuclear repulsion energy211.345693
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 HF/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' 3261 2944 48.33      
2 A' 3211 2899 25.69      
3 A' 3199 2889 20.23      
4 A' 3187 2877 22.97      
5 A' 3174 2866 33.93      
6 A' 2550 2302 18.80      
7 A' 1669 1507 10.17      
8 A' 1656 1495 1.03      
9 A' 1652 1492 1.85      
10 A' 1638 1479 4.29      
11 A' 1583 1429 5.06      
12 A' 1542 1392 0.71      
13 A' 1514 1367 3.27      
14 A' 1441 1301 0.26      
15 A' 1239 1118 6.87      
16 A' 1141 1030 0.11      
17 A' 1092 986 0.45      
18 A' 1016 917 1.17      
19 A' 968 874 8.58      
20 A' 590 533 2.20      
21 A' 414 374 0.97      
22 A' 308 278 1.17      
23 A' 139 125 6.41      
24 A" 3265 2948 83.89      
25 A" 3255 2939 18.48      
26 A" 3235 2921 2.81      
27 A" 3202 2891 9.42      
28 A" 1657 1496 8.97      
29 A" 1464 1322 0.20      
30 A" 1450 1309 0.43      
31 A" 1378 1245 0.00      
32 A" 1279 1154 0.13      
33 A" 1045 943 0.67      
34 A" 886 800 0.08      
35 A" 811 732 4.45      
36 A" 418 378 0.17      
37 A" 253 228 0.11      
38 A" 119 107 0.19      
39 A" 93 84 4.66      

Unscaled Zero Point Vibrational Energy (zpe) 30994.8 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 27985.2 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 HF/6-31G
ABC
0.51223 0.04424 0.04197

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.408 0.000
C2 1.432 0.951 0.000
C3 1.478 2.481 0.000
C4 -0.030 -1.132 0.000
N5 -2.464 -2.075 0.000
C6 -1.391 -1.668 0.000
H7 2.501 2.840 0.000
H8 -0.532 0.775 0.871
H9 -0.532 0.775 -0.871
H10 1.962 0.573 0.871
H11 1.962 0.573 -0.871
H12 0.984 2.887 -0.877
H13 0.984 2.887 0.877
H14 0.490 -1.514 -0.872
H15 0.490 -1.514 0.872

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53202.54641.53973.49762.49893.48861.08501.08502.15302.15302.80762.80762.16632.1663
C21.53201.53082.54464.93313.85142.17032.15632.15631.08701.08702.17172.17172.77922.7792
C32.54641.53083.91486.02465.04481.08382.77692.77692.15232.15231.08481.08484.20684.2068
C41.53972.54463.91482.61061.46374.70932.15592.15592.76252.76254.23604.23601.08451.0845
N53.49764.93316.02462.61061.14696.98593.55133.55135.23055.23056.10536.10533.13053.1305
C62.49893.85145.04481.46371.14695.95582.73242.73244.12644.12645.21135.21132.07942.0794
H73.48862.17031.08384.70936.98595.95583.77123.77122.48742.48741.75221.75224.87454.8745
H81.08502.15632.77692.15593.55132.73243.77121.74242.50243.04913.13272.59983.05342.5070
H91.08502.15632.77692.15593.55132.73243.77121.74243.04912.50242.59983.13272.50703.0534
H102.15301.08702.15232.76255.23054.12642.48742.50243.04911.74193.05972.51153.09202.5540
H112.15301.08702.15232.76255.23054.12642.48743.04912.50241.74192.51153.05972.55403.0920
H122.80762.17171.08484.23606.10535.21131.75223.13272.59983.05972.51151.75334.42834.7610
H132.80762.17171.08484.23606.10535.21131.75222.59983.13272.51153.05971.75334.76104.4283
H142.16632.77924.20681.08453.13052.07944.87453.05342.50703.09202.55404.42834.76101.7436
H152.16632.77924.20681.08453.13052.07944.87452.50703.05342.55403.09204.76104.42831.7436

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.483 C1 C2 H10 109.407
C1 C2 H11 109.407 C1 C4 C6 112.590
C1 C4 H14 110.073 C1 C4 H15 110.073
C2 C1 C4 111.868 C2 C1 H8 109.789
C2 C1 H9 109.789 C2 C3 H7 111.052
C2 C3 H12 111.105 C2 C3 H13 111.105
C3 C2 H10 109.435 C3 C2 H11 109.435
C4 C1 H8 109.220 C4 C1 H9 109.220
C4 C6 N5 179.281 C6 C4 H14 108.460
C6 C4 H15 108.460 H7 C3 H12 107.797
H7 C3 H13 107.797 H8 C1 H9 106.820
H10 C2 H11 106.494 H12 C3 H13 107.828
H14 C4 H15 107.008
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.291 0.127    
2 C -0.307 0.129    
3 C -0.453 -0.257    
4 C -0.320 -0.254    
5 N -0.324 -0.553    
6 C 0.119 0.482    
7 H 0.160 0.069    
8 H 0.178 -0.007    
9 H 0.178 -0.007    
10 H 0.157 -0.016    
11 H 0.157 -0.016    
12 H 0.156 0.060    
13 H 0.156 0.060    
14 H 0.217 0.092    
15 H 0.217 0.092    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.009 1.939 0.000 4.454
CHELPG 3.984 1.911 0.000 4.418
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.795 -8.811 0.000
y -8.811 -43.063 0.000
z 0.000 0.000 -37.433
Traceless
 xyz
x -9.547 -8.811 0.000
y -8.811 0.551 0.000
z 0.000 0.000 8.996
Polar
3z2-r217.991
x2-y2-6.732
xy-8.811
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.981 1.560 0.000
y 1.560 7.875 0.000
z 0.000 0.000 6.394


<r2> (average value of r2) Å2
<r2> 258.734
(<r2>)1/2 16.085