return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-249.081280
Energy at 298.15K-249.091123
Nuclear repulsion energy211.935536
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/6-311G*
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' 3239 2930 66.92      
2 A' 3218 2910 21.48      
3 A' 3196 2890 29.57      
4 A' 3177 2874 22.62      
5 A' 3168 2865 44.62      
6 A' 2594 2346 17.42      
7 A' 1643 1486 7.31      
8 A' 1631 1475 0.67      
9 A' 1622 1467 1.36      
10 A' 1611 1457 2.90      
11 A' 1557 1408 0.85      
12 A' 1549 1401 2.70      
13 A' 1491 1348 1.71      
14 A' 1399 1265 1.96      
15 A' 1219 1103 3.04      
16 A' 1128 1020 0.09      
17 A' 1085 981 0.23      
18 A' 999 904 1.67      
19 A' 956 865 5.89      
20 A' 597 540 0.87      
21 A' 408 369 0.90      
22 A' 308 279 1.85      
23 A' 138 125 6.98      
24 A" 3261 2949 56.09      
25 A" 3239 2929 82.78      
26 A" 3224 2916 0.06      
27 A" 3188 2883 10.10      
28 A" 1633 1477 7.70      
29 A" 1457 1317 0.13      
30 A" 1437 1300 0.60      
31 A" 1355 1226 0.00      
32 A" 1248 1129 0.03      
33 A" 1014 917 0.38      
34 A" 855 774 0.00      
35 A" 785 710 2.94      
36 A" 435 394 1.10      
37 A" 264 239 0.19      
38 A" 123 112 0.16      
39 A" 97 87 4.62      

Unscaled Zero Point Vibrational Energy (zpe) 30774.3 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 27832.3 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/6-311G*
ABC
0.51315 0.04450 0.04221

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.403 0.000
C2 1.425 0.954 0.000
C3 1.467 2.480 0.000
C4 -0.023 -1.130 0.000
N5 -2.446 -2.071 0.000
C6 -1.390 -1.668 0.000
H7 2.488 2.844 0.000
H8 -0.538 0.767 0.870
H9 -0.538 0.767 -0.870
H10 1.959 0.578 0.870
H11 1.959 0.578 -0.870
H12 0.972 2.888 -0.876
H13 0.972 2.888 0.876
H14 0.488 -1.523 -0.872
H15 0.488 -1.523 0.872

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52742.54231.53373.47902.49513.48571.08561.08562.15032.15032.80832.80832.16992.1699
C21.52741.52652.53744.91233.84732.16892.15512.15511.08771.08772.17082.17082.78792.7879
C32.54231.52653.90526.00145.03701.08482.77672.77672.14852.14851.08561.08564.21204.2120
C41.53372.53743.90522.59941.46984.70122.14982.14982.75692.75694.23124.23121.08401.0840
N53.47904.91236.00142.59941.12966.96453.52823.52825.21285.21286.08616.08613.10943.1094
C62.49513.84735.03701.46981.12965.95052.72292.72294.12554.12555.20685.20682.07592.0759
H73.48572.16891.08484.70126.96455.95053.77253.77252.48452.48451.75161.75164.88194.8819
H81.08562.15512.77672.14983.52822.72293.77251.73992.50403.04903.13522.60393.05452.5092
H91.08562.15512.77672.14983.52822.72293.77251.73993.04902.50402.60393.13522.50923.0545
H102.15031.08772.14852.75695.21284.12552.48452.50403.04901.73963.05902.51173.10012.5646
H112.15031.08772.14852.75695.21284.12552.48453.04902.50401.73962.51173.05902.56463.1001
H122.80832.17081.08564.23126.08615.20681.75163.13522.60393.05902.51171.75264.43734.7693
H132.80832.17081.08564.23126.08615.20681.75162.60393.13522.51173.05901.75264.76934.4373
H142.16992.78794.21201.08403.10942.07594.88193.05452.50923.10012.56464.43734.76931.7437
H152.16992.78794.21201.08403.10942.07594.88192.50923.05452.56463.10014.76934.43731.7437

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.708 C1 C2 H10 109.471
C1 C2 H11 109.471 C1 C4 C6 112.327
C1 C4 H14 110.812 C1 C4 H15 110.812
C2 C1 C4 111.977 C2 C1 H8 109.972
C2 C1 H9 109.972 C2 C3 H7 111.196
C2 C3 H12 111.293 C2 C3 H13 111.293
C3 C2 H10 109.393 C3 C2 H11 109.393
C4 C1 H8 109.121 C4 C1 H9 109.121
C4 C6 N5 179.373 C6 C4 H14 107.796
C6 C4 H15 107.796 H7 C3 H12 107.615
H7 C3 H13 107.615 H8 C1 H9 106.521
H10 C2 H11 106.193 H12 C3 H13 107.641
H14 C4 H15 107.084
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.404 0.118   0.123
2 C -0.412 0.193   0.187
3 C -0.615 -0.237   -0.353
4 C -0.434 -0.130   -0.363
5 N -0.339 -0.515   -0.523
6 C 0.173 0.387   0.445
7 H 0.217 0.060   0.094
8 H 0.228 -0.014   0.007
9 H 0.228 -0.014   0.007
10 H 0.207 -0.040   -0.026
11 H 0.207 -0.040   -0.026
12 H 0.210 0.049   0.079
13 H 0.210 0.049   0.079
14 H 0.262 0.067   0.134
15 H 0.262 0.067   0.134


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.952 1.911 0.000 4.390
CHELPG        
AIM        
ESP 3.964 1.912 0.000 4.401


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.163 -8.545 0.000
y -8.545 -43.171 0.000
z 0.000 0.000 -37.188
Traceless
 xyz
x -8.983 -8.545 0.000
y -8.545 0.005 0.000
z 0.000 0.000 8.979
Polar
3z2-r217.957
x2-y2-5.992
xy-8.545
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.279 1.494 0.000
y 1.494 8.475 0.000
z 0.000 0.000 6.739


<r2> (average value of r2) Å2
<r2> 257.395
(<r2>)1/2 16.044