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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-250.561763
Energy at 298.15K-250.571293
Nuclear repulsion energy210.494442
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 mPW1PW91/6-31G
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' 3160 2991 33.33      
2 A' 3082 2917 39.25      
3 A' 3071 2907 3.01      
4 A' 3068 2904 21.14      
5 A' 3052 2889 23.14      
6 A' 2346 2221 14.24      
7 A' 1561 1477 13.48      
8 A' 1548 1465 2.13      
9 A' 1542 1460 0.95      
10 A' 1524 1442 5.48      
11 A' 1467 1389 7.12      
12 A' 1425 1349 0.29      
13 A' 1398 1323 3.23      
14 A' 1328 1258 0.93      
15 A' 1159 1097 8.32      
16 A' 1102 1043 0.38      
17 A' 1056 1000 0.58      
18 A' 965 914 0.12      
19 A' 932 883 4.75      
20 A' 548 519 2.26      
21 A' 393 372 0.78      
22 A' 284 268 0.67      
23 A' 128 121 5.21      
24 A" 3155 2986 63.17      
25 A" 3139 2972 12.96      
26 A" 3114 2947 0.94      
27 A" 3090 2925 8.10      
28 A" 1550 1468 11.09      
29 A" 1362 1289 0.18      
30 A" 1349 1277 0.46      
31 A" 1280 1211 0.12      
32 A" 1179 1116 0.06      
33 A" 970 919 1.32      
34 A" 826 782 0.14      
35 A" 761 721 7.11      
36 A" 387 367 0.00      
37 A" 239 227 0.07      
38 A" 113 107 0.38      
39 A" 86 81 3.82      

Unscaled Zero Point Vibrational Energy (zpe) 29368.4 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 27800.1 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 mPW1PW91/6-31G
ABC
0.50892 0.04404 0.04179

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.412 0.000
C2 1.432 0.955 0.000
C3 1.478 2.483 0.000
C4 -0.029 -1.128 0.000
N5 -2.475 -2.088 0.000
C6 -1.382 -1.672 0.000
H7 2.509 2.848 0.000
H8 -0.539 0.784 0.879
H9 -0.539 0.784 -0.879
H10 1.966 0.570 0.879
H11 1.966 0.570 -0.879
H12 0.979 2.892 -0.884
H13 0.979 2.892 0.884
H14 0.504 -1.509 -0.879
H15 0.504 -1.509 0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53112.54431.54083.51822.50063.49691.09621.09622.15942.15942.80882.80882.17252.1725
C21.53111.52892.54444.95203.84912.17822.16462.16461.09821.09822.17712.17712.77592.7759
C32.54431.52893.91346.04365.04411.09362.78022.78022.16092.16091.09491.09494.20254.2025
C41.54082.54443.91342.62721.45754.71742.16532.16532.76382.76384.23804.23801.09671.0967
N53.51824.95206.04362.62721.16977.01483.57363.57365.24995.24996.12486.12483.15953.1595
C62.50063.84915.04411.45751.16975.96392.74122.74124.12394.12395.21375.21372.08712.0871
H73.49692.17821.09364.71747.01485.96393.78473.78472.50112.50111.76821.76824.87634.8763
H81.09622.16462.78022.16533.57362.74123.78471.75882.51403.06783.13972.59763.07222.5191
H91.09622.16462.78022.16533.57362.74123.78471.75883.06782.51402.59763.13972.51913.0722
H102.15941.09822.16092.76385.24994.12392.50112.51403.06781.75773.07812.52323.09062.5419
H112.15941.09822.16092.76385.24994.12392.50113.06782.51401.75772.52323.07812.54193.0906
H122.80882.17711.09494.23806.12485.21371.76823.13972.59763.07812.52321.76844.42694.7652
H132.80882.17711.09494.23806.12485.21371.76822.59763.13972.52323.07811.76844.76524.4269
H142.17252.77594.20251.09673.15952.08714.87633.07222.51913.09062.54194.42694.76521.7584
H152.17252.77594.20251.09673.15952.08714.87632.51913.07222.54193.09064.76524.42691.7584

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.505 C1 C2 H10 109.321
C1 C2 H11 109.321 C1 C4 C6 112.991
C1 C4 H14 109.764 C1 C4 H15 109.764
C2 C1 C4 111.848 C2 C1 H8 109.845
C2 C1 H9 109.845 C2 C3 H7 111.231
C2 C3 H12 111.069 C2 C3 H13 111.069
C3 C2 H10 109.595 C3 C2 H11 109.595
C4 C1 H8 109.237 C4 C1 H9 109.237
C4 C6 N5 178.957 C6 C4 H14 108.769
C6 C4 H15 108.769 H7 C3 H12 107.796
H7 C3 H13 107.796 H8 C1 H9 106.690
H10 C2 H11 106.313 H12 C3 H13 107.718
H14 C4 H15 106.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.302      
2 C -0.313      
3 C -0.490      
4 C -0.374      
5 N -0.314      
6 C 0.156      
7 H 0.169      
8 H 0.183      
9 H 0.183      
10 H 0.164      
11 H 0.164      
12 H 0.167      
13 H 0.167      
14 H 0.220      
15 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.810 1.891 0.000 4.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.998 -8.259 0.000
y -8.259 -41.769 0.000
z 0.000 0.000 -36.569
Traceless
 xyz
x -8.829 -8.259 0.000
y -8.259 0.514 0.000
z 0.000 0.000 8.314
Polar
3z2-r216.629
x2-y2-6.229
xy-8.259
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.379 1.755 0.000
y 1.755 8.277 0.000
z 0.000 0.000 6.530


<r2> (average value of r2) Å2
<r2> 258.974
(<r2>)1/2 16.093