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 C5H7N ((Z)-2-Pentenenitrile)

using model chemistry: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-249.134258
Energy at 298.15K-249.140929
Nuclear repulsion energy197.386020
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/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 3125 3080 4.80      
2 A 3093 3049 11.65      
3 A 3077 3033 20.69      
4 A 3067 3023 22.30      
5 A 3031 2988 1.61      
6 A 2991 2948 27.70      
7 A 2963 2921 13.21      
8 A 2251 2219 12.54      
9 A 1645 1622 16.41      
10 A 1488 1466 6.55      
11 A 1481 1460 7.20      
12 A 1458 1437 5.54      
13 A 1395 1375 0.81      
14 A 1381 1362 0.57      
15 A 1307 1288 2.42      
16 A 1264 1246 0.03      
17 A 1228 1210 0.47      
18 A 1118 1102 0.74      
19 A 1062 1047 2.73      
20 A 1018 1004 5.45      
21 A 954 941 4.36      
22 A 953 939 0.77      
23 A 856 844 4.58      
24 A 790 779 6.96      
25 A 741 731 34.02      
26 A 656 646 2.02      
27 A 558 551 0.85      
28 A 387 381 0.09      
29 A 356 351 0.06      
30 A 241 237 0.41      
31 A 208 205 3.11      
32 A 140 138 4.39      
33 A 59 59 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 23169.7 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 22838.4 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/6-31G*
ABC
0.25513 0.06500 0.05574

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.770 -0.107 -0.082
N2 -2.503 -1.027 -0.030
C3 -0.901 1.024 -0.153
H4 -1.365 1.968 -0.457
C5 0.422 0.966 0.137
H6 0.996 1.898 0.044
C7 1.188 -0.252 0.554
H8 0.510 -1.121 0.621
H9 1.591 -0.081 1.572
C10 2.361 -0.558 -0.398
H11 1.997 -0.779 -1.415
H12 3.058 0.296 -0.465
H13 2.931 -1.432 -0.040

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.17771.42792.14712.45033.41843.02922.59293.74624.16794.05234.86004.8842
N21.17772.60563.23273.54334.56113.81613.08384.49674.90024.71455.73235.4483
C31.42792.60561.09571.35502.09752.54752.68133.22543.63353.63884.03724.5522
H42.14713.23271.09572.13322.41453.53153.77144.12984.50264.44664.72905.4946
C52.45033.54331.35502.13321.09851.49852.14452.12702.52392.81692.78583.4750
H63.41844.56112.09752.41451.09852.21853.11212.57052.84493.20922.66093.8524
C73.02923.81612.54753.53151.49852.21851.10401.10851.54142.19282.19892.1867
H82.59293.08382.68133.77142.14453.11211.10401.77632.18642.54393.11072.5282
H93.74624.49673.22544.12982.12702.57051.10851.77632.16863.09452.53872.4941
C104.16794.90023.63354.50262.52392.84491.54142.18642.16861.10261.10401.1025
H114.05234.71453.63884.44662.81693.20922.19282.54393.09451.10261.78411.7853
H124.86005.73234.03724.72902.78582.66092.19893.11072.53871.10401.78411.7834
H134.88425.44834.55225.49463.47503.85242.18672.52822.49411.10251.78531.7834

picture of (Z)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.974 C1 C3 C5 123.373
N2 C1 C3 179.015 C3 C5 H6 117.110
C3 C5 C7 126.372 H4 C3 C5 120.653
C5 C7 H8 110.055 C5 C7 H9 108.419
C5 C7 C10 112.247 H6 C5 C7 116.511
C7 C10 H11 110.978 C7 C10 H12 111.371
C7 C10 H13 110.497 H8 C7 H9 106.803
H8 C7 C10 110.392 H9 C7 C10 108.746
H11 C10 H12 107.900 H11 C10 H13 108.116
H12 C10 H13 107.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.322      
2 N -0.474      
3 C -0.180      
4 H 0.190      
5 C -0.054      
6 H 0.157      
7 C -0.350      
8 H 0.188      
9 H 0.178      
10 C -0.489      
11 H 0.177      
12 H 0.163      
13 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.322 2.399 0.056 4.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.910 -5.437 0.978
y -5.437 -35.464 -0.689
z 0.978 -0.689 -36.504
Traceless
 xyz
x -5.926 -5.437 0.978
y -5.437 3.743 -0.689
z 0.978 -0.689 2.183
Polar
3z2-r24.366
x2-y2-6.446
xy-5.437
xz0.978
yz-0.689


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.999 1.159 0.606
y 1.159 8.356 -0.333
z 0.606 -0.333 5.438


<r2> (average value of r2) Å2
<r2> 203.241
(<r2>)1/2 14.256