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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-249.122091
Energy at 298.15K-249.131940
Nuclear repulsion energy212.234226
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/aug-cc-pVTZ
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' 3219 2930 52.99      
2 A' 3194 2907 16.56      
3 A' 3170 2886 24.98      
4 A' 3155 2872 21.06      
5 A' 3144 2862 33.98      
6 A' 2581 2350 24.02      
7 A' 1630 1484 7.34      
8 A' 1617 1472 0.22      
9 A' 1608 1464 1.38      
10 A' 1597 1454 3.06      
11 A' 1543 1405 0.55      
12 A' 1538 1400 2.44      
13 A' 1482 1349 1.85      
14 A' 1391 1266 4.24      
15 A' 1214 1105 2.66      
16 A' 1123 1023 0.10      
17 A' 1079 982 0.23      
18 A' 993 904 1.36      
19 A' 951 866 5.02      
20 A' 595 541 0.82      
21 A' 407 371 1.00      
22 A' 307 279 2.18      
23 A' 137 125 7.39      
24 A" 3237 2947 37.98      
25 A" 3215 2927 68.45      
26 A" 3199 2913 0.83      
27 A" 3163 2880 8.30      
28 A" 1615 1470 6.58      
29 A" 1443 1314 0.10      
30 A" 1425 1297 0.36      
31 A" 1347 1226 0.00      
32 A" 1240 1129 0.03      
33 A" 1008 918 0.36      
34 A" 853 777 0.00      
35 A" 785 715 2.93      
36 A" 432 394 1.81      
37 A" 261 238 0.17      
38 A" 123 112 0.22      
39 A" 96 87 4.95      

Unscaled Zero Point Vibrational Energy (zpe) 30557.7 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 27819.7 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/aug-cc-pVTZ
ABC
0.51504 0.04461 0.04232

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.404 0.000
C2 1.422 0.954 0.000
C3 1.462 2.478 0.000
C4 -0.021 -1.128 0.000
N5 -2.440 -2.071 0.000
C6 -1.387 -1.668 0.000
H7 2.484 2.840 0.000
H8 -0.537 0.765 0.870
H9 -0.537 0.765 -0.870
H10 1.954 0.579 0.870
H11 1.954 0.579 -0.870
H12 0.967 2.883 -0.876
H13 0.967 2.883 0.876
H14 0.488 -1.518 -0.872
H15 0.488 -1.518 0.872

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52502.53831.53163.47562.49333.47891.08431.08432.14572.14572.80172.80172.16592.1659
C21.52501.52452.53364.90633.84322.16362.15172.15171.08641.08642.16632.16632.78312.7831
C32.53831.52453.89955.99415.03131.08322.77262.77262.14632.14631.08441.08444.20494.2049
C41.53162.53363.89952.59611.46894.69212.14632.14632.75142.75144.22264.22261.08271.0827
N53.47564.90635.99412.59611.12726.95423.52513.52515.20435.20436.07646.07643.10473.1047
C62.49333.84325.03131.46891.12725.94172.72062.72064.11924.11925.19835.19832.07362.0736
H73.47892.16361.08324.69216.95425.94173.76593.76592.47982.47981.75161.75164.87164.8716
H81.08432.15172.77262.14633.52512.72063.76591.73972.49743.04363.12952.59733.04932.5027
H91.08432.15172.77262.14633.52512.72063.76591.73973.04362.49742.59733.12952.50273.0493
H102.14571.08642.14632.75145.20434.11922.47982.49743.04361.73973.05442.50623.09512.5583
H112.14571.08642.14632.75145.20434.11922.47983.04362.49741.73972.50623.05442.55833.0951
H122.80172.16631.08444.22266.07645.19831.75163.12952.59733.05442.50621.75204.42684.7595
H132.80172.16631.08444.22266.07645.19831.75162.59733.12952.50623.05441.75204.75954.4268
H142.16592.78314.20491.08273.10472.07364.87163.04932.50273.09512.55834.42684.75951.7443
H152.16592.78314.20491.08273.10472.07364.87162.50273.04932.55833.09514.75954.42681.7443

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.684 C1 C2 H10 109.352
C1 C2 H11 109.352 C1 C4 C6 112.380
C1 C4 H14 110.714 C1 C4 H15 110.714
C2 C1 C4 111.974 C2 C1 H8 109.948
C2 C1 H9 109.948 C2 C3 H7 111.000
C2 C3 H12 111.147 C2 C3 H13 111.147
C3 C2 H10 109.432 C3 C2 H11 109.432
C4 C1 H8 109.068 C4 C1 H9 109.068
C4 C6 N5 179.395 C6 C4 H14 107.754
C6 C4 H15 107.754 H7 C3 H12 107.813
H7 C3 H13 107.813 H8 C1 H9 106.685
H10 C2 H11 106.392 H12 C3 H13 107.765
H14 C4 H15 107.322
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.355      
2 C -0.449      
3 C -0.984      
4 C -0.103      
5 N -0.646      
6 C 0.107      
7 H 0.274      
8 H 0.258      
9 H 0.258      
10 H 0.266      
11 H 0.266      
12 H 0.276      
13 H 0.276      
14 H 0.278      
15 H 0.278      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.093 2.019 0.000 4.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.276 -8.764 0.000
y -8.764 -43.152 0.000
z 0.000 0.000 -37.075
Traceless
 xyz
x -9.163 -8.764 0.000
y -8.764 0.024 0.000
z 0.000 0.000 9.140
Polar
3z2-r218.279
x2-y2-6.125
xy-8.764
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.196 1.625 0.000
y 1.625 9.790 0.000
z 0.000 0.000 7.638


<r2> (average value of r2) Å2
<r2> 256.756
(<r2>)1/2 16.024