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-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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-250.440518
Energy at 298.15K-250.449835
Nuclear repulsion energy210.410172
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-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' 3040 3019 28.37      
2 A' 2975 2954 38.80      
3 A' 2965 2945 19.44      
4 A' 2961 2941 1.10      
5 A' 2946 2926 17.49      
6 A' 2270 2254 13.19      
7 A' 1460 1449 9.39      
8 A' 1446 1436 1.02      
9 A' 1435 1426 0.73      
10 A' 1414 1405 3.52      
11 A' 1361 1352 3.22      
12 A' 1343 1334 0.15      
13 A' 1305 1296 2.73      
14 A' 1232 1223 0.93      
15 A' 1091 1083 3.78      
16 A' 1044 1037 0.15      
17 A' 1001 994 1.34      
18 A' 922 915 0.02      
19 A' 882 876 2.28      
20 A' 528 525 0.94      
21 A' 373 370 0.74      
22 A' 269 267 0.78      
23 A' 121 120 5.32      
24 A" 3032 3011 50.53      
25 A" 3017 2996 12.41      
26 A" 2993 2972 0.73      
27 A" 2972 2951 6.59      
28 A" 1448 1438 8.05      
29 A" 1288 1279 0.09      
30 A" 1269 1260 0.54      
31 A" 1199 1190 0.06      
32 A" 1096 1089 0.04      
33 A" 901 895 0.69      
34 A" 766 761 0.08      
35 A" 713 708 5.08      
36 A" 376 373 0.13      
37 A" 234 233 0.09      
38 A" 113 112 0.56      
39 A" 83 82 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 27941.3 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 27748.5 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-pVTZ
ABC
0.50709 0.04405 0.04179

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.410 0.000
C2 1.426 0.964 0.000
C3 1.464 2.493 0.000
C4 -0.024 -1.131 0.000
N5 -2.460 -2.098 0.000
C6 -1.375 -1.680 0.000
H7 2.497 2.867 0.000
H8 -0.547 0.778 0.882
H9 -0.547 0.778 -0.882
H10 1.966 0.580 0.881
H11 1.966 0.580 -0.881
H12 0.960 2.902 -0.887
H13 0.960 2.902 0.887
H14 0.509 -1.520 -0.883
H15 0.509 -1.520 0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53002.54611.54053.51292.50093.50331.10091.10092.16122.16122.81452.81452.18182.1818
C21.53001.52872.54764.94773.85142.18342.16912.16911.10281.10282.18192.18192.79122.7912
C32.54611.52873.91686.03935.04631.09842.78622.78622.16512.16511.09981.09984.21784.2178
C41.54052.54763.91682.62171.45824.72592.16632.16632.76772.76774.24494.24491.10201.1020
N53.51294.94776.03932.62171.16367.01593.56453.56455.24775.24776.12256.12253.15113.1511
C62.50093.85145.04631.45821.16365.97162.73862.73864.12804.12805.21825.21822.08622.0862
H73.50332.18341.09844.72597.01595.97163.79583.79582.50812.50811.77521.77524.89644.8964
H81.10092.16912.78622.16633.56452.73863.79581.76312.52103.07613.14852.60473.08312.5282
H91.10092.16912.78622.16633.56452.73863.79581.76313.07612.52102.60473.14852.52823.0831
H102.16121.10282.16512.76775.24774.12802.50812.52103.07611.76243.08792.53143.10542.5555
H112.16121.10282.16512.76775.24774.12802.50813.07612.52101.76242.53143.08792.55553.1054
H122.81452.18191.09984.24496.12255.21821.77523.14852.60473.08792.53141.77434.44484.7844
H132.81452.18191.09984.24496.12255.21821.77522.60473.14852.53143.08791.77434.78444.4448
H142.18182.79124.21781.10203.15112.08624.89643.08312.52823.10542.55554.44484.78441.7663
H152.18182.79124.21781.10203.15112.08624.89642.52823.08312.55553.10544.78444.44481.7663

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.689 C1 C2 H10 109.268
C1 C2 H11 109.268 C1 C4 C6 112.991
C1 C4 H14 110.209 C1 C4 H15 110.209
C2 C1 C4 112.134 C2 C1 H8 109.997
C2 C1 H9 109.997 C2 C3 H7 111.366
C2 C3 H12 111.163 C2 C3 H13 111.163
C3 C2 H10 109.662 C3 C2 H11 109.662
C4 C1 H8 109.067 C4 C1 H9 109.067
C4 C6 N5 178.945 C6 C4 H14 108.337
C6 C4 H15 108.337 H7 C3 H12 107.713
H7 C3 H13 107.713 H8 C1 H9 106.407
H10 C2 H11 106.075 H12 C3 H13 107.543
H14 C4 H15 106.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.134      
2 C -0.153      
3 C -0.292      
4 C -0.134      
5 N -0.057      
6 C -0.116      
7 H 0.101      
8 H 0.097      
9 H 0.097      
10 H 0.083      
11 H 0.083      
12 H 0.095      
13 H 0.095      
14 H 0.117      
15 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.782 1.935 0.000 4.248
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.124 -7.994 0.000
y -7.994 -42.641 0.000
z 0.000 0.000 -37.119
Traceless
 xyz
x -8.244 -7.994 0.000
y -7.994 -0.020 0.000
z 0.000 0.000 8.263
Polar
3z2-r216.527
x2-y2-5.483
xy-7.994
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.983 2.055 0.000
y 2.055 10.498 0.000
z 0.000 0.000 7.808


<r2> (average value of r2) Å2
<r2> 259.397
(<r2>)1/2 16.106