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 ((E)-2-Pentenenitrile)

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-247.932877
Energy at 298.15K-247.940033
HF Energy-247.932877
Nuclear repulsion energy197.513179
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/daug-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' 3357 3036 2.79      
2 A' 3305 2990 6.24      
3 A' 3229 2921 39.52      
4 A' 3165 2863 18.91      
5 A' 3151 2850 24.45      
6 A' 2570 2324 65.20      
7 A' 1840 1665 33.36      
8 A' 1624 1469 3.00      
9 A' 1591 1439 5.77      
10 A' 1547 1399 4.53      
11 A' 1506 1362 11.43      
12 A' 1445 1307 4.94      
13 A' 1408 1274 2.52      
14 A' 1193 1079 1.38      
15 A' 1121 1014 3.25      
16 A' 1044 945 2.86      
17 A' 942 853 2.27      
18 A' 617 558 0.69      
19 A' 554 502 0.39      
20 A' 278 252 2.13      
21 A' 162 146 5.45      
22 A" 3225 2918 40.86      
23 A" 3168 2866 10.08      
24 A" 1617 1463 7.09      
25 A" 1402 1268 0.56      
26 A" 1216 1100 3.48      
27 A" 1103 998 35.44      
28 A" 944 854 11.05      
29 A" 804 728 0.03      
30 A" 541 489 6.39      
31 A" 299 270 0.02      
32 A" 192 173 0.02      
33 A" 132 120 4.10      

Unscaled Zero Point Vibrational Energy (zpe) 25145.0 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 22746.2 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/daug-cc-pVTZ
ABC
0.49997 0.05187 0.04781

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.511 2.743 0.000
C2 -0.856 1.823 0.000
H3 1.052 0.870 0.000
C4 0.000 0.667 0.000
H5 -1.562 -0.675 0.000
C6 -0.492 -0.558 0.000
H7 -0.023 -2.411 0.864
H8 -0.023 -2.411 -0.864
C9 0.294 -1.833 0.000
H10 2.271 -2.674 0.000
H11 2.161 -1.165 -0.878
H12 2.161 -1.165 0.878
C13 1.810 -1.694 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.12863.17392.56703.41773.45385.43325.43324.91936.60605.43315.43315.5422
C21.12862.13271.43852.59592.40864.40124.40123.83355.47744.33594.33594.4139
H33.17392.13271.07113.03592.10283.55883.55882.80723.74742.47792.47792.6739
C42.56701.43851.07112.05921.32013.19733.19732.51794.03982.96582.96582.9756
H53.41772.59593.03592.05921.07592.47572.47572.18844.32303.85623.85623.5232
C63.45382.40862.10281.32011.07592.09802.09801.49903.48072.85992.85992.5681
H75.43324.40123.55883.19732.47572.09801.72751.08662.46543.05872.51462.1498
H85.43324.40123.55883.19732.47572.09801.72751.08662.46542.51463.05872.1498
C94.91933.83352.80722.51792.18841.49901.08661.08662.14782.16812.16811.5223
H106.60605.47743.74744.03984.32303.48072.46542.46542.14781.74921.74921.0824
H115.43314.33592.47792.96583.85622.85993.05872.51462.16811.74921.75561.0834
H125.43314.33592.47792.96583.85622.85992.51463.05872.16811.74921.75561.0834
C135.54224.41392.67392.97563.52322.56812.14982.14981.52231.08241.08341.0834

picture of (E)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 178.953 C2 C4 H3 115.611
C2 C4 C6 121.588 H3 C4 C6 122.801
C4 C6 H5 118.147 C4 C6 C9 126.431
H5 C6 C9 115.422 C6 C9 H7 107.399
C6 C9 H8 107.399 C6 C9 C13 116.423
H7 C9 H8 105.299 H7 C9 C13 109.857
H8 C9 C13 109.857 C9 C13 H10 109.943
C9 C13 H11 111.517 C9 C13 H12 111.517
H10 C13 H11 107.733 H10 C13 H12 107.733
H11 C13 H12 108.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -1.481      
2 C 1.527      
3 H 0.172      
4 C -0.763      
5 H 0.571      
6 C -0.086      
7 H 0.325      
8 H 0.325      
9 C -0.356      
10 H 0.396      
11 H 0.269      
12 H 0.269      
13 C -1.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.392 -4.689 0.000 5.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.116 7.864 0.000
y 7.864 -46.491 0.000
z 0.000 0.000 -37.736
Traceless
 xyz
x 2.997 7.864 0.000
y 7.864 -8.065 0.000
z 0.000 0.000 5.067
Polar
3z2-r210.135
x2-y27.375
xy7.864
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.853 -1.533 0.000
y -1.533 12.741 0.000
z 0.000 0.000 6.857


<r2> (average value of r2) Å2
<r2> 225.999
(<r2>)1/2 15.033