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/6-311G*

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/6-311G*
 hartrees
Energy at 0K-247.892489
Energy at 298.15K-247.899654
Nuclear repulsion energy197.210762
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/6-311G*
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' 3377 3054 3.82      
2 A' 3329 3011 11.05      
3 A' 3251 2941 48.80      
4 A' 3187 2883 21.10      
5 A' 3176 2873 33.47      
6 A' 2584 2337 52.89      
7 A' 1853 1676 31.39      
8 A' 1641 1484 3.43      
9 A' 1607 1453 5.22      
10 A' 1559 1410 5.18      
11 A' 1513 1368 10.56      
12 A' 1451 1312 3.72      
13 A' 1417 1282 2.60      
14 A' 1197 1083 1.12      
15 A' 1126 1018 2.81      
16 A' 1050 949 3.54      
17 A' 946 856 2.20      
18 A' 619 560 0.51      
19 A' 555 502 0.30      
20 A' 280 253 1.85      
21 A' 163 147 5.19      
22 A" 3249 2939 56.72      
23 A" 3194 2889 15.38      
24 A" 1636 1479 7.97      
25 A" 1411 1276 0.66      
26 A" 1219 1102 3.16      
27 A" 1104 999 38.50      
28 A" 938 849 12.03      
29 A" 804 727 0.00      
30 A" 545 493 6.29      
31 A" 304 275 0.02      
32 A" 191 173 0.04      
33 A" 128 116 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 25302.3 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 22883.4 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 HF/6-311G*
ABC
0.49768 0.05174 0.04768

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.513 2.746 0.000
C2 -0.853 1.827 0.000
H3 1.054 0.870 0.000
C4 0.000 0.669 0.000
H5 -1.566 -0.676 0.000
C6 -0.494 -0.558 0.000
H7 -0.024 -2.417 0.864
H8 -0.024 -2.417 -0.864
C9 0.293 -1.837 0.000
H10 2.276 -2.675 0.000
H11 2.164 -1.167 -0.878
H12 2.164 -1.167 0.878
C13 1.811 -1.696 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.13093.17912.56963.42203.45775.44265.44264.92656.61415.44045.44045.5482
C21.13092.13401.43872.60222.41244.41014.41013.83995.48324.34034.34034.4176
H33.17912.13401.07303.04172.10653.56543.56542.81223.74992.48022.48022.6756
C42.56961.43871.07302.06371.32303.20463.20462.52344.04522.97042.97042.9790
H53.42202.60223.04172.06371.07782.48162.48162.19244.33143.86333.86333.5281
C63.45772.41242.10651.32301.07782.10322.10321.50233.48692.86522.86522.5713
H75.44264.41013.56543.20462.48162.10321.72841.08782.47053.06372.51992.1525
H85.44264.41013.56543.20462.48162.10321.72841.08782.47052.51993.06372.1525
C94.92653.83992.81222.52342.19241.50231.08781.08782.15272.17282.17281.5245
H106.61415.48323.74994.04524.33143.48692.47052.47052.15271.74921.74921.0837
H115.44044.34032.48022.97043.86332.86523.06372.51992.17281.74921.75671.0846
H125.44044.34032.48022.97043.86332.86522.51993.06372.17281.74921.75671.0846
C135.54824.41762.67562.97903.52812.57132.15252.15251.52451.08371.08461.0846

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 179.286 C2 C4 H3 115.568
C2 C4 C6 121.679 H3 C4 C6 122.753
C4 C6 H5 118.191 C4 C6 C9 126.423
H5 C6 C9 115.386 C6 C9 H7 107.509
C6 C9 H8 107.509 C6 C9 C13 116.314
H7 C9 H8 105.214 H7 C9 C13 109.846
H8 C9 C13 109.846 C9 C13 H10 110.097
C9 C13 H11 111.656 C9 C13 H12 111.656
H10 C13 H11 107.550 H10 C13 H12 107.550
H11 C13 H12 108.153
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.342 -0.534   -0.513
2 C 0.164 0.492   0.479
3 H 0.263 0.185   0.227
4 C -0.247 -0.331   -0.404
5 H 0.242 0.122   0.135
6 C -0.136 -0.094   -0.069
7 H 0.230 -0.024   0.007
8 H 0.230 -0.024   0.007
9 C -0.409 0.254   0.170
10 H 0.226 0.041   0.061
11 H 0.221 0.037   0.059
12 H 0.221 0.037   0.059
13 C -0.661 -0.160   -0.218


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.286 -4.537 0.000 5.081
CHELPG        
AIM        
ESP 2.306 -4.492 0.000 5.049


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.050 7.764 0.000
y 7.764 -46.236 0.000
z 0.000 0.000 -37.855
Traceless
 xyz
x 2.995 7.764 0.000
y 7.764 -7.783 0.000
z 0.000 0.000 4.788
Polar
3z2-r29.576
x2-y27.186
xy7.764
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.765 -1.425 0.000
y -1.425 11.837 0.000
z 0.000 0.000 5.408


<r2> (average value of r2) Å2
<r2> 226.508
(<r2>)1/2 15.050