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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-42.375103
Energy at 298.15K-42.384860
Nuclear repulsion energy116.008568
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 HF/CEP-121G*
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' 3248 2935 73.45      
2 A' 3228 2916 22.35      
3 A' 3203 2894 31.32      
4 A' 3180 2873 18.90      
5 A' 3172 2866 59.92      
6 A' 2552 2305 19.82      
7 A' 1642 1483 4.76      
8 A' 1630 1472 0.47      
9 A' 1621 1464 1.62      
10 A' 1610 1455 2.98      
11 A' 1556 1405 0.48      
12 A' 1544 1395 2.16      
13 A' 1482 1339 1.85      
14 A' 1387 1253 4.49      
15 A' 1212 1095 2.12      
16 A' 1124 1015 0.10      
17 A' 1081 976 0.30      
18 A' 987 892 2.12      
19 A' 947 855 7.23      
20 A' 584 527 1.08      
21 A' 403 364 0.81      
22 A' 302 273 1.60      
23 A' 135 122 7.18      
24 A" 3279 2962 51.43      
25 A" 3252 2938 99.64      
26 A" 3239 2926 1.44      
27 A" 3202 2893 12.21      
28 A" 1629 1471 6.31      
29 A" 1443 1304 0.17      
30 A" 1424 1286 0.62      
31 A" 1345 1215 0.09      
32 A" 1239 1119 0.08      
33 A" 1003 906 0.18      
34 A" 848 766 0.00      
35 A" 778 703 1.88      
36 A" 421 381 0.80      
37 A" 257 232 0.15      
38 A" 118 107 0.08      
39 A" 93 84 4.86      

Unscaled Zero Point Vibrational Energy (zpe) 30698.3 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 27732.9 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 HF/CEP-121G*
ABC
0.50628 0.04403 0.04174

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.349 0.000
C2 1.504 0.663 0.000
C3 1.789 2.173 0.000
C4 -0.266 -1.169 0.000
N5 -2.832 -1.707 0.000
C6 -1.717 -1.480 0.000
H7 2.859 2.367 0.000
H8 -0.472 0.793 0.873
H9 -0.472 0.793 -0.873
H10 1.970 0.207 0.873
H11 1.970 0.207 -0.873
H12 1.365 2.652 -0.879
H13 1.365 2.652 0.879
H14 0.170 -1.640 -0.876
H15 0.170 -1.640 0.876

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53612.55461.54203.50042.50953.49931.08731.08732.15912.15912.81762.81762.18022.1802
C21.53611.53592.54794.94193.86932.17702.16402.16401.08961.08962.17902.17902.80202.8020
C32.55461.53593.92356.03455.06381.08722.78922.78922.15792.15791.08781.08784.23384.2338
C41.54202.54793.92352.62211.48434.71952.15802.15802.76702.76704.24724.24721.08541.0854
N53.50044.94196.03452.62211.13796.99963.54773.54775.24295.24296.11526.11523.12823.1282
C62.50953.86935.06381.48431.13795.97892.73542.73544.14794.14795.22995.22992.08672.0867
H73.49932.17701.08724.71956.99965.97893.78633.78632.49352.49351.75711.75714.90454.9045
H81.08732.16402.78922.15803.54772.73543.78631.74612.51123.05853.14642.61353.06442.5166
H91.08732.16402.78922.15803.54772.73543.78631.74613.05852.51122.61353.14642.51663.0644
H102.15911.08962.15792.76705.24294.14792.49352.51123.05851.74583.06822.51893.11582.5791
H112.15911.08962.15792.76705.24294.14792.49353.05852.51121.74582.51893.06822.57913.1158
H122.81762.17901.08784.24726.11525.22991.75713.14642.61353.06822.51891.75794.45564.7886
H132.81762.17901.08784.24726.11525.22991.75712.61353.14642.51893.06821.75794.78864.4556
H142.18022.80204.23381.08543.12822.08674.90453.06442.51663.11582.57914.45564.78861.7510
H152.18022.80204.23381.08543.12822.08674.90452.51663.06442.57913.11584.78864.45561.7510

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.518 C1 C2 H10 109.455
C1 C2 H11 109.455 C1 C4 C6 112.028
C1 C4 H14 110.960 C1 C4 H15 110.960
C2 C1 C4 111.732 C2 C1 H8 109.977
C2 C1 H9 109.977 C2 C3 H7 111.026
C2 C3 H12 111.149 C2 C3 H13 111.149
C3 C2 H10 109.377 C3 C2 H11 109.377
C4 C1 H8 109.096 C4 C1 H9 109.096
C4 C6 N5 179.417 C6 C4 H14 107.581
C6 C4 H15 107.581 H7 C3 H12 107.776
H7 C3 H13 107.776 H8 C1 H9 106.831
H10 C2 H11 106.477 H12 C3 H13 107.807
H14 C4 H15 107.531
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.336      
2 C -0.236      
3 C -0.508      
4 C -0.287      
5 N -0.085      
6 C -0.081      
7 H 0.178      
8 H 0.169      
9 H 0.169      
10 H 0.147      
11 H 0.147      
12 H 0.158      
13 H 0.158      
14 H 0.203      
15 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.309 1.275 0.000 4.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.352 -7.606 0.000
y -7.606 -40.610 0.000
z 0.000 0.000 -36.976
Traceless
 xyz
x -13.559 -7.606 0.000
y -7.606 4.054 0.000
z 0.000 0.000 9.505
Polar
3z2-r219.010
x2-y2-11.742
xy-7.606
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.964 1.290 0.000
y 1.290 8.216 0.000
z 0.000 0.000 7.003


<r2> (average value of r2) Å2
<r2> 203.726
(<r2>)1/2 14.273