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: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-250.696699
Energy at 298.15K-250.706164
Nuclear repulsion energy210.236098
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 B3LYPultrafine/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' 3118 2987 35.23      
2 A' 3057 2928 41.20      
3 A' 3048 2920 10.15      
4 A' 3045 2917 11.72      
5 A' 3027 2900 20.94      
6 A' 2369 2269 10.55      
7 A' 1541 1476 5.11      
8 A' 1527 1463 0.61      
9 A' 1518 1454 1.14      
10 A' 1499 1436 2.47      
11 A' 1444 1383 1.73      
12 A' 1420 1360 0.40      
13 A' 1376 1318 3.10      
14 A' 1295 1240 2.73      
15 A' 1134 1087 3.98      
16 A' 1065 1021 0.24      
17 A' 1023 980 0.51      
18 A' 945 905 0.19      
19 A' 908 870 2.67      
20 A' 543 521 0.94      
21 A' 383 367 0.80      
22 A' 282 270 1.26      
23 A' 126 121 5.63      
24 A" 3113 2982 69.30      
25 A" 3101 2971 11.81      
26 A" 3080 2950 0.98      
27 A" 3055 2926 9.22      
28 A" 1530 1466 6.82      
29 A" 1347 1291 0.16      
30 A" 1329 1273 0.58      
31 A" 1256 1204 0.07      
32 A" 1152 1104 0.00      
33 A" 945 906 0.86      
34 A" 802 768 0.03      
35 A" 743 712 4.26      
36 A" 392 376 0.57      
37 A" 249 238 0.09      
38 A" 117 112 0.31      
39 A" 91 87 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 28997.1 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 27779.2 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 B3LYPultrafine/6-31G*
ABC
0.50673 0.04389 0.04164

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.410 0.000
C2 1.429 0.966 0.000
C3 1.466 2.498 0.000
C4 -0.021 -1.133 0.000
N5 -2.464 -2.102 0.000
C6 -1.381 -1.682 0.000
H7 2.498 2.868 0.000
H8 -0.544 0.776 0.879
H9 -0.544 0.776 -0.879
H10 1.967 0.585 0.879
H11 1.967 0.585 -0.879
H12 0.965 2.907 -0.885
H13 0.965 2.907 0.885
H14 0.508 -1.520 -0.880
H15 0.508 -1.520 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53342.55171.54303.51812.50683.50431.09721.09722.16212.16212.81952.81952.18132.1813
C21.53341.53202.55164.95633.86162.18122.16882.16881.09921.09922.18272.18272.79432.7943
C32.55171.53203.92406.05005.05811.09552.78992.78992.16372.16371.09661.09664.22394.2239
C41.54302.55163.92402.62761.46674.72772.16582.16582.77152.77154.25174.25171.09751.0975
N53.51814.95636.05002.62761.16097.02213.56883.56885.25635.25636.13376.13373.15303.1530
C62.50683.86165.05811.46671.16095.97902.74142.74144.13874.13875.22945.22942.09012.0901
H73.50432.18121.09554.72777.02215.97903.79533.79532.50262.50261.77061.77064.89814.8981
H81.09722.16882.78992.16583.56882.74143.79531.75892.51913.07223.15172.61143.07832.5256
H91.09722.16882.78992.16583.56882.74143.79531.75893.07222.51912.61143.15172.52563.0783
H102.16211.09922.16372.77155.25634.13872.50262.51913.07221.75833.08342.52883.10832.5624
H112.16211.09922.16372.77155.25634.13872.50263.07222.51911.75832.52883.08342.56243.1083
H122.81952.18271.09664.25176.13375.22941.77063.15172.61143.08342.52881.77044.45084.7882
H132.81952.18271.09664.25176.13375.22941.77062.61143.15172.52883.08341.77044.78824.4508
H142.18132.79434.22391.09753.15302.09014.89813.07832.52563.10832.56244.45084.78821.7607
H152.18132.79434.22391.09753.15302.09014.89812.52563.07832.56243.10834.78824.45081.7607

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.696 C1 C2 H10 109.317
C1 C2 H11 109.317 C1 C4 C6 112.778
C1 C4 H14 110.256 C1 C4 H15 110.256
C2 C1 C4 112.075 C2 C1 H8 109.954
C2 C1 H9 109.954 C2 C3 H7 111.138
C2 C3 H12 111.192 C2 C3 H13 111.192
C3 C2 H10 109.540 C3 C2 H11 109.540
C4 C1 H8 109.071 C4 C1 H9 109.071
C4 C6 N5 179.181 C6 C4 H14 108.334
C6 C4 H15 108.334 H7 C3 H12 107.751
H7 C3 H13 107.751 H8 C1 H9 106.557
H10 C2 H11 106.223 H12 C3 H13 107.646
H14 C4 H15 106.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.256      
2 C -0.252      
3 C -0.444      
4 C -0.341      
5 N -0.474      
6 C 0.348      
7 H 0.150      
8 H 0.157      
9 H 0.157      
10 H 0.138      
11 H 0.138      
12 H 0.149      
13 H 0.149      
14 H 0.191      
15 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.706 1.867 0.000 4.150
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.497 -8.026 0.000
y -8.026 -41.877 0.000
z 0.000 0.000 -36.513
Traceless
 xyz
x -8.302 -8.026 0.000
y -8.026 0.128 0.000
z 0.000 0.000 8.174
Polar
3z2-r216.348
x2-y2-5.620
xy-8.026
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.463 1.803 0.000
y 1.803 8.567 0.000
z 0.000 0.000 6.650


<r2> (average value of r2) Å2
<r2> 259.748
(<r2>)1/2 16.117