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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-249.238375
Energy at 298.15K-249.248039
Nuclear repulsion energy210.338328
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 B3PW91/3-21G
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' 3130 3009 26.27      
2 A' 3074 2955 26.22      
3 A' 3059 2941 0.25      
4 A' 3053 2935 18.71      
5 A' 3046 2928 13.67      
6 A' 2352 2261 6.02      
7 A' 1564 1503 10.54      
8 A' 1548 1488 6.53      
9 A' 1539 1479 0.47      
10 A' 1521 1462 6.08      
11 A' 1457 1400 8.49      
12 A' 1401 1346 0.31      
13 A' 1384 1330 3.94      
14 A' 1320 1269 2.89      
15 A' 1144 1099 10.81      
16 A' 1057 1016 0.24      
17 A' 1018 979 0.38      
18 A' 955 918 0.20      
19 A' 912 877 4.52      
20 A' 591 568 2.36      
21 A' 389 373 0.79      
22 A' 302 291 0.82      
23 A' 134 129 4.04      
24 A" 3134 3013 53.58      
25 A" 3122 3001 0.83      
26 A" 3097 2977 0.11      
27 A" 3079 2959 3.82      
28 A" 1560 1500 11.41      
29 A" 1369 1316 0.11      
30 A" 1360 1307 0.52      
31 A" 1285 1235 0.16      
32 A" 1178 1132 0.17      
33 A" 970 932 1.70      
34 A" 819 787 0.17      
35 A" 751 722 8.67      
36 A" 463 445 0.07      
37 A" 244 235 0.08      
38 A" 116 112 0.52      
39 A" 90 86 3.02      

Unscaled Zero Point Vibrational Energy (zpe) 29293.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 28156.9 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 B3PW91/3-21G
ABC
0.50100 0.04417 0.04187

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.413 0.000
C2 1.448 0.934 0.000
C3 1.497 2.472 0.000
C4 -0.037 -1.137 0.000
N5 -2.492 -2.053 0.000
C6 -1.398 -1.654 0.000
H7 2.533 2.830 0.000
H8 -0.529 0.785 0.886
H9 -0.529 0.785 -0.886
H10 1.972 0.547 0.885
H11 1.972 0.547 -0.885
H12 0.995 2.873 -0.888
H13 0.995 2.873 0.888
H14 0.490 -1.517 -0.886
H15 0.490 -1.517 0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53862.54591.54973.50622.49493.50151.09721.09722.16612.16612.79902.79902.17902.1790
C21.53861.53862.54784.94453.84622.18502.17162.17161.09921.09922.18082.18082.77672.7767
C32.54591.53863.92106.03275.04001.09602.78172.78172.17082.17081.09681.09684.20834.2083
C41.54972.54783.92102.62101.45594.72662.17242.17242.76712.76714.23494.23491.09881.0988
N53.50624.94456.03272.62101.16517.00753.56293.56295.24235.24236.10126.10123.15683.1568
C62.49493.84625.04001.45591.16515.96312.73612.73614.12164.12165.19725.19722.08972.0897
H73.50152.18501.09604.72667.00755.96313.78773.78772.51192.51191.77671.77674.88464.8846
H81.09722.17162.78172.17243.56292.73613.78771.77222.51303.07443.13602.58573.07852.5172
H91.09722.17162.78172.17243.56292.73613.78771.77223.07442.51302.58573.13602.51723.0785
H102.16611.09922.17082.76715.24234.12162.51192.51303.07441.77023.08412.52323.09802.5416
H112.16611.09922.17082.76715.24234.12162.51193.07442.51301.77022.52323.08412.54163.0980
H122.79902.18081.09684.23496.10125.19721.77673.13602.58573.08412.52321.77694.41934.7624
H132.79902.18081.09684.23496.10125.19721.77672.58573.13602.52323.08411.77694.76244.4193
H142.17902.77674.20831.09883.15682.08974.88463.07852.51723.09802.54164.41934.76241.7724
H152.17902.77674.20831.09883.15682.08974.88462.51723.07852.54163.09804.76244.41931.7724

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.652 C1 C2 H10 109.268
C1 C2 H11 109.268 C1 C4 C6 112.175
C1 C4 H14 109.546 C1 C4 H15 109.546
C2 C1 C4 111.173 C2 C1 H8 109.816
C2 C1 H9 109.816 C2 C3 H7 110.945
C2 C3 H12 110.567 C2 C3 H13 110.567
C3 C2 H10 109.643 C3 C2 H11 109.643
C4 C1 H8 109.121 C4 C1 H9 109.121
C4 C6 N5 179.252 C6 C4 H14 108.968
C6 C4 H15 108.968 H7 C3 H12 108.237
H7 C3 H13 108.237 H8 C1 H9 107.721
H10 C2 H11 107.262 H12 C3 H13 108.192
H14 C4 H15 107.525
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.397      
2 C -0.434      
3 C -0.617      
4 C -0.500      
5 N -0.500      
6 C 0.363      
7 H 0.216      
8 H 0.234      
9 H 0.234      
10 H 0.215      
11 H 0.215      
12 H 0.214      
13 H 0.214      
14 H 0.271      
15 H 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.579 1.749 0.000 3.983
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.337 -7.580 0.000
y -7.580 -41.284 0.000
z 0.000 0.000 -36.592
Traceless
 xyz
x -8.399 -7.580 0.000
y -7.580 0.681 0.000
z 0.000 0.000 7.718
Polar
3z2-r215.436
x2-y2-6.053
xy-7.580
xz0.000
yz0.000


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> 258.357
(<r2>)1/2 16.073