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: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-250.363105
Energy at 298.15K-250.372437
Nuclear repulsion energy209.392630
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 PBEPBE/cc-pVDZ
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' 3056 3039 24.87      
2 A' 2976 2959 38.06      
3 A' 2968 2951 18.26      
4 A' 2965 2948 1.95      
5 A' 2950 2933 21.81      
6 A' 2276 2263 11.27      
7 A' 1434 1426 6.23      
8 A' 1421 1413 0.49      
9 A' 1412 1403 0.82      
10 A' 1388 1380 3.47      
11 A' 1348 1340 1.39      
12 A' 1342 1334 0.54      
13 A' 1295 1288 2.92      
14 A' 1215 1208 3.49      
15 A' 1090 1083 2.68      
16 A' 1057 1051 0.21      
17 A' 1015 1009 1.15      
18 A' 929 923 0.17      
19 A' 885 880 2.30      
20 A' 527 524 1.19      
21 A' 375 373 0.64      
22 A' 271 270 0.68      
23 A' 121 121 4.48      
24 A" 3047 3029 41.06      
25 A" 3028 3010 19.16      
26 A" 3005 2987 1.02      
27 A" 2983 2966 8.12      
28 A" 1421 1412 7.33      
29 A" 1276 1269 0.14      
30 A" 1258 1251 0.35      
31 A" 1185 1178 0.11      
32 A" 1083 1077 0.07      
33 A" 894 889 0.90      
34 A" 766 761 0.10      
35 A" 721 717 5.07      
36 A" 380 377 0.02      
37 A" 244 243 0.09      
38 A" 116 115 0.43      
39 A" 86 85 3.05      

Unscaled Zero Point Vibrational Energy (zpe) 27902.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 27740.5 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 PBEPBE/cc-pVDZ
ABC
0.50242 0.04369 0.04146

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.411 0.000
C2 1.424 0.977 0.000
C3 1.455 2.508 0.000
C4 -0.016 -1.131 0.000
N5 -2.462 -2.123 0.000
C6 -1.369 -1.693 0.000
H7 2.495 2.892 0.000
H8 -0.556 0.779 0.889
H9 -0.556 0.779 -0.889
H10 1.973 0.591 0.888
H11 1.973 0.591 -0.888
H12 0.944 2.921 -0.894
H13 0.944 2.921 0.894
H14 0.523 -1.523 -0.890
H15 0.523 -1.523 0.890

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53292.55231.54253.53272.51003.51841.11111.11112.17082.17082.82692.82692.19252.1925
C21.53291.53082.55384.97123.86422.19352.17962.17961.11301.11302.19272.19272.80312.8031
C32.55231.53083.92546.06505.06181.10812.79692.79692.17532.17531.10991.10994.23214.2321
C41.54252.55383.92542.63901.46464.74262.17532.17532.77652.77654.25964.25961.11171.1117
N53.53274.97126.06502.63901.17457.05083.58383.58385.27405.27406.15136.15133.17183.1718
C62.51003.86425.06181.46461.17455.99572.75002.75004.14344.14345.23815.23812.09742.0974
H73.51842.19351.10814.74267.05085.99573.81573.81572.52152.52151.79021.79024.91684.9168
H81.11112.17962.79692.17533.58382.75003.81571.77762.53553.09623.16492.61483.10312.5428
H91.11112.17962.79692.17533.58382.75003.81571.77763.09622.53552.61483.16492.54283.1031
H102.17081.11302.17532.77655.27404.14342.52152.53553.09621.77613.10892.54723.11952.5632
H112.17081.11302.17532.77655.27404.14342.52153.09622.53551.77612.54723.10892.56323.1195
H122.82692.19271.10994.25966.15135.23811.79023.16492.61483.10892.54721.78884.46424.8075
H132.82692.19271.10994.25966.15135.23811.79022.61483.16492.54723.10891.78884.80754.4642
H142.19252.80314.23211.11173.17182.09744.91683.10312.54283.11952.56324.46424.80751.7797
H152.19252.80314.23211.11173.17182.09744.91682.54283.10312.56323.11954.80754.46421.7797

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.840 C1 C2 H10 109.228
C1 C2 H11 109.228 C1 C4 C6 113.139
C1 C4 H14 110.331 C1 C4 H15 110.331
C2 C1 C4 112.278 C2 C1 H8 110.027
C2 C1 H9 110.027 C2 C3 H7 111.446
C2 C3 H12 111.277 C2 C3 H13 111.277
C3 C2 H10 109.722 C3 C2 H11 109.722
C4 C1 H8 109.038 C4 C1 H9 109.038
C4 C6 N5 178.914 C6 C4 H14 108.220
C6 C4 H15 108.220 H7 C3 H12 107.629
H7 C3 H13 107.629 H8 C1 H9 106.243
H10 C2 H11 105.860 H12 C3 H13 107.380
H14 C4 H15 106.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.050      
2 C -0.079      
3 C -0.045      
4 C -0.004      
5 N -0.116      
6 C -0.095      
7 H 0.033      
8 H 0.042      
9 H 0.042      
10 H 0.027      
11 H 0.027      
12 H 0.037      
13 H 0.037      
14 H 0.073      
15 H 0.073      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.549 1.847 0.000 4.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.919 -7.540 0.000
y -7.540 -41.962 0.000
z 0.000 0.000 -36.872
Traceless
 xyz
x -7.502 -7.540 0.000
y -7.540 -0.067 0.000
z 0.000 0.000 7.568
Polar
3z2-r215.137
x2-y2-4.957
xy-7.540
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.204 1.956 0.000
y 1.956 9.594 0.000
z 0.000 0.000 7.168


<r2> (average value of r2) Å2
<r2> 260.898
(<r2>)1/2 16.152