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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-250.718449
Energy at 298.15K-250.727881
Nuclear repulsion energy210.188594
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/6-31+G**
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' 3110 2998 35.58      
2 A' 3050 2941 38.17      
3 A' 3041 2932 5.77      
4 A' 3035 2926 23.49      
5 A' 3019 2911 25.16      
6 A' 2353 2269 17.00      
7 A' 1515 1461 9.07      
8 A' 1503 1449 0.86      
9 A' 1495 1442 1.33      
10 A' 1476 1423 3.40      
11 A' 1420 1369 3.14      
12 A' 1403 1353 0.41      
13 A' 1359 1310 2.56      
14 A' 1281 1235 1.71      
15 A' 1123 1083 3.76      
16 A' 1060 1022 0.17      
17 A' 1016 979 0.91      
18 A' 938 904 0.21      
19 A' 902 869 2.65      
20 A' 539 519 1.26      
21 A' 382 368 0.77      
22 A' 280 270 0.99      
23 A' 126 121 6.32      
24 A" 3105 2994 73.24      
25 A" 3096 2985 3.54      
26 A" 3076 2966 1.84      
27 A" 3048 2939 9.57      
28 A" 1505 1451 9.31      
29 A" 1333 1286 0.18      
30 A" 1315 1268 0.65      
31 A" 1242 1197 0.01      
32 A" 1139 1098 0.05      
33 A" 935 902 0.58      
34 A" 795 767 0.05      
35 A" 737 710 3.65      
36 A" 385 371 0.28      
37 A" 242 233 0.12      
38 A" 114 110 0.40      
39 A" 86 83 4.18      

Unscaled Zero Point Vibrational Energy (zpe) 28787.2 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 27756.6 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/6-31+G**
ABC
0.50849 0.04382 0.04159

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.411 0.000
C2 1.430 0.965 0.000
C3 1.473 2.497 0.000
C4 -0.025 -1.132 0.000
N5 -2.467 -2.102 0.000
C6 -1.384 -1.682 0.000
H7 2.505 2.864 0.000
H8 -0.543 0.778 0.879
H9 -0.543 0.778 -0.879
H10 1.968 0.583 0.879
H11 1.968 0.583 -0.879
H12 0.973 2.907 -0.885
H13 0.973 2.907 0.885
H14 0.501 -1.521 -0.881
H15 0.501 -1.521 0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53352.55361.54363.52152.50903.50561.09671.09672.16182.16182.82162.82162.18202.1820
C21.53351.53262.55254.95903.86302.18182.16852.16851.09871.09872.18282.18282.79662.7966
C32.55361.53263.92636.05595.06201.09482.79202.79202.16332.16331.09601.09604.22714.2271
C41.54362.55253.92632.62751.46584.72942.16562.16562.77222.77224.25424.25421.09691.0969
N53.52154.95906.05592.62751.16177.02673.57293.57295.25805.25806.14096.14093.14973.1497
C62.50903.86305.06201.46581.16175.98182.74382.74384.13934.13935.23445.23442.08652.0865
H73.50562.18181.09484.72947.02675.98183.79683.79682.50252.50251.76931.76934.90114.9011
H81.09672.16852.79202.16563.57292.74383.79681.75852.51853.07143.15402.61453.07792.5252
H91.09672.16852.79202.16563.57292.74383.79681.75853.07142.51852.61453.15402.52523.0779
H102.16181.09872.16332.77225.25804.13932.50252.51853.07141.75763.08252.52823.11052.5652
H112.16181.09872.16332.77225.25804.13932.50253.07142.51851.75762.52823.08252.56523.1105
H122.82162.18281.09604.25426.14095.23441.76933.15402.61453.08252.52821.76964.45404.7911
H132.82162.18281.09604.25426.14095.23441.76932.61453.15402.52823.08251.76964.79114.4540
H142.18202.79664.22711.09693.14972.08654.90113.07792.52523.11052.56524.45404.79111.7610
H152.18202.79664.22711.09693.14972.08654.90112.52523.07792.56523.11054.79114.45401.7610

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.784 C1 C2 H10 109.313
C1 C2 H11 109.313 C1 C4 C6 112.939
C1 C4 H14 110.304 C1 C4 H15 110.304
C2 C1 C4 112.096 C2 C1 H8 109.954
C2 C1 H9 109.954 C2 C3 H7 111.184
C2 C3 H12 111.192 C2 C3 H13 111.192
C3 C2 H10 109.494 C3 C2 H11 109.494
C4 C1 H8 109.039 C4 C1 H9 109.039
C4 C6 N5 179.188 C6 C4 H14 108.148
C6 C4 H15 108.148 H7 C3 H12 107.720
H7 C3 H13 107.720 H8 C1 H9 106.599
H10 C2 H11 106.231 H12 C3 H13 107.659
H14 C4 H15 106.775
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.224     0.123
2 C -0.086     0.147
3 C -0.620     -0.293
4 C -0.027     -0.319
5 N -0.516     -0.507
6 C 0.058     0.425
7 H 0.150     0.080
8 H 0.158     0.004
9 H 0.158     0.004
10 H 0.141     -0.018
11 H 0.141     -0.018
12 H 0.150     0.067
13 H 0.150     0.067
14 H 0.184     0.120
15 H 0.184     0.120


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.958 1.983 0.000 4.427
CHELPG        
AIM        
ESP 3.949 1.973 0.000 4.414


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.247 -8.530 0.000
y -8.530 -43.249 0.000
z 0.000 0.000 -37.413
Traceless
 xyz
x -8.916 -8.530 0.000
y -8.530 0.081 0.000
z 0.000 0.000 8.835
Polar
3z2-r217.671
x2-y2-5.998
xy-8.530
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.690 1.892 0.000
y 1.892 9.817 0.000
z 0.000 0.000 7.484


<r2> (average value of r2) Å2
<r2> 260.867
(<r2>)1/2 16.151