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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-250.711238
Energy at 298.15K-250.720633
HF Energy-250.711238
Nuclear repulsion energy210.202150
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 TPSSh/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' 3123 2996 40.33      
2 A' 3059 2935 44.34      
3 A' 3049 2926 3.23      
4 A' 3047 2923 22.34      
5 A' 3029 2906 25.04      
6 A' 2342 2247 11.23      
7 A' 1550 1487 3.98      
8 A' 1536 1474 0.67      
9 A' 1526 1464 0.97      
10 A' 1507 1446 2.30      
11 A' 1445 1387 1.36      
12 A' 1415 1358 0.24      
13 A' 1371 1315 3.51      
14 A' 1290 1237 3.03      
15 A' 1132 1086 4.16      
16 A' 1065 1022 0.25      
17 A' 1021 980 0.65      
18 A' 940 902 0.26      
19 A' 906 869 2.61      
20 A' 537 515 1.15      
21 A' 376 361 0.73      
22 A' 273 262 1.09      
23 A' 123 118 5.53      
24 A" 3118 2991 81.80      
25 A" 3107 2981 9.21      
26 A" 3085 2960 0.41      
27 A" 3060 2936 10.14      
28 A" 1541 1478 6.45      
29 A" 1350 1295 0.15      
30 A" 1331 1277 0.73      
31 A" 1257 1206 0.03      
32 A" 1151 1104 0.01      
33 A" 937 899 0.74      
34 A" 793 760 0.03      
35 A" 733 704 4.09      
36 A" 388 372 0.34      
37 A" 241 231 0.08      
38 A" 113 108 0.42      
39 A" 86 83 3.66      

Unscaled Zero Point Vibrational Energy (zpe) 28975.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 27799.1 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 TPSSh/6-31G*
ABC
0.50401 0.04396 0.04169

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.408 0.000
C2 1.431 0.964 0.000
C3 1.465 2.497 0.000
C4 -0.016 -1.135 0.000
N5 -2.468 -2.094 0.000
C6 -1.380 -1.683 0.000
H7 2.495 2.868 0.000
H8 -0.543 0.773 0.880
H9 -0.543 0.773 -0.880
H10 1.969 0.585 0.880
H11 1.969 0.585 -0.880
H12 0.962 2.903 -0.886
H13 0.962 2.903 0.886
H14 0.508 -1.522 -0.882
H15 0.508 -1.522 0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53512.55141.54333.51452.50563.50381.09671.09672.16352.16352.81642.81642.18222.1822
C21.53511.53352.54974.95523.86132.18102.16972.16971.09871.09872.18242.18242.79492.7949
C32.55141.53353.92266.04525.05651.09542.78912.78912.16442.16441.09631.09634.22484.2248
C41.54332.54973.92262.63271.46984.72562.16602.16602.77012.77014.24794.24791.09671.0967
N53.51454.95526.04522.63271.16307.01813.56353.56355.25705.25706.12476.12473.15643.1564
C62.50563.86135.05651.46981.16305.97742.73982.73984.13924.13925.22475.22472.09022.0902
H73.50382.18101.09544.72567.01815.97743.79413.79412.50242.50241.77161.77164.89884.8988
H81.09672.16972.78912.16603.56352.73983.79411.76092.51843.07273.14952.60773.07842.5239
H91.09672.16972.78912.16603.56352.73983.79411.76093.07272.51842.60773.14952.52393.0784
H102.16351.09872.16442.77015.25704.13922.50242.51843.07271.76003.08272.52693.11112.5640
H112.16351.09872.16442.77015.25704.13922.50243.07272.51841.76002.52693.08272.56403.1111
H122.81642.18241.09634.24796.12475.22471.77163.14952.60773.08272.52691.77154.44804.7864
H132.81642.18241.09634.24796.12475.22471.77162.60773.14952.52693.08271.77154.78644.4480
H142.18222.79494.22481.09673.15642.09024.89883.07842.52393.11112.56404.44804.78641.7640
H152.18222.79494.22481.09673.15642.09024.89882.52393.07842.56403.11114.78644.44801.7640

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.494 C1 C2 H10 109.342
C1 C2 H11 109.342 C1 C4 C6 112.497
C1 C4 H14 110.357 C1 C4 H15 110.357
C2 C1 C4 111.843 C2 C1 H8 109.937
C2 C1 H9 109.937 C2 C3 H7 111.022
C2 C3 H12 111.077 C2 C3 H13 111.077
C3 C2 H10 109.519 C3 C2 H11 109.519
C4 C1 H8 109.094 C4 C1 H9 109.094
C4 C6 N5 178.783 C6 C4 H14 108.182
C6 C4 H15 108.182 H7 C3 H12 107.865
H7 C3 H13 107.865 H8 C1 H9 106.799
H10 C2 H11 106.442 H12 C3 H13 107.783
H14 C4 H15 107.081
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.294      
2 C -0.292      
3 C -0.482      
4 C -0.376      
5 N -0.496      
6 C 0.370      
7 H 0.164      
8 H 0.176      
9 H 0.176      
10 H 0.156      
11 H 0.156      
12 H 0.162      
13 H 0.162      
14 H 0.208      
15 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.734 1.871 0.000 4.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.629 1.863 0.000
y 1.863 8.677 0.000
z 0.000 0.000 6.698


<r2> (average value of r2) Å2
<r2> 259.380
(<r2>)1/2 16.105