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: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-249.394038
Energy at 298.15K-249.400863
Nuclear repulsion energy197.078549
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 B1B95/6-311G*
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' 3197 3064 3.32      
2 A' 3175 3044 8.15      
3 A' 3137 3007 27.64      
4 A' 3056 2929 20.39      
5 A' 3032 2907 17.12      
6 A' 2357 2259 27.10      
7 A' 1722 1650 27.38      
8 A' 1516 1453 6.82      
9 A' 1474 1413 14.97      
10 A' 1425 1366 9.03      
11 A' 1387 1330 6.39      
12 A' 1349 1293 0.45      
13 A' 1320 1265 2.78      
14 A' 1120 1073 3.62      
15 A' 1079 1034 4.34      
16 A' 992 951 1.88      
17 A' 911 874 4.84      
18 A' 580 556 0.56      
19 A' 516 495 0.03      
20 A' 262 251 1.40      
21 A' 149 143 4.01      
22 A" 3126 2997 31.41      
23 A" 3053 2927 9.89      
24 A" 1511 1448 11.19      
25 A" 1296 1243 0.21      
26 A" 1105 1059 1.59      
27 A" 999 957 36.50      
28 A" 852 817 8.88      
29 A" 735 705 0.45      
30 A" 498 477 5.60      
31 A" 266 255 0.02      
32 A" 179 172 0.22      
33 A" 128 123 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 23750.3 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 22767.0 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 B1B95/6-311G*
ABC
0.48746 0.05221 0.04799

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.450 2.784 0.000
C2 -0.808 1.825 0.000
H3 1.072 0.819 0.000
C4 0.000 0.656 0.000
H5 -1.600 -0.679 0.000
C6 -0.518 -0.575 0.000
H7 -0.055 -2.435 0.866
H8 -0.055 -2.435 -0.866
C9 0.265 -1.844 0.000
H10 2.259 -2.669 0.000
H11 2.124 -1.153 -0.883
H12 2.124 -1.153 0.883
C13 1.775 -1.692 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.15443.19712.57533.46653.48635.47175.47174.93556.59455.38985.38985.5166
C21.15442.13201.42102.62622.41764.41204.41203.82225.44024.27084.27084.3631
H33.19712.13201.08453.06352.11533.55133.55132.78263.68422.40292.40292.6075
C42.57531.42101.08452.08371.33583.21063.21062.51364.01922.92592.92592.9430
H53.46652.62623.06352.08371.08662.49462.49462.19894.34173.85643.85643.5235
C63.48632.41762.11531.33581.08662.10352.10351.49093.47782.84512.84512.5505
H75.47174.41203.55133.21062.49462.10351.73301.09672.48163.07442.52822.1565
H85.47174.41203.55133.21062.49462.10351.73301.09672.48162.52823.07442.1565
C94.93553.82222.78262.51362.19891.49091.09671.09672.15782.17092.17091.5174
H106.59455.44023.68424.01924.34173.47782.48162.48162.15781.75951.75951.0901
H115.38984.27082.40292.92593.85642.84513.07442.52822.17091.75951.76581.0919
H125.38984.27082.40292.92593.85642.84512.52823.07442.17091.75951.76581.0919
C135.51664.36312.60752.94303.52352.55052.15652.15651.51741.09011.09191.0919

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 179.144 C2 C4 H3 115.977
C2 C4 C6 122.519 H3 C4 C6 121.504
C4 C6 H5 118.309 C4 C6 C9 125.464
H5 C6 C9 116.228 C6 C9 H7 107.792
C6 C9 H8 107.792 C6 C9 C13 115.954
H7 C9 H8 104.383 H7 C9 C13 110.128
H8 C9 C13 110.128 C9 C13 H10 110.622
C9 C13 H11 111.568 C9 C13 H12 111.568
H10 C13 H11 107.484 H10 C13 H12 107.484
H11 C13 H12 107.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.259      
2 C 0.099      
3 H 0.249      
4 C -0.226      
5 H 0.231      
6 C -0.132      
7 H 0.242      
8 H 0.242      
9 C -0.450      
10 H 0.235      
11 H 0.233      
12 H 0.233      
13 C -0.697      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.096 -4.366 0.000 4.843
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.879 6.847 0.000
y 6.847 -45.024 0.000
z 0.000 0.000 -37.277
Traceless
 xyz
x 3.271 6.847 0.000
y 6.847 -7.446 0.000
z 0.000 0.000 4.175
Polar
3z2-r28.349
x2-y27.144
xy6.847
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.256 -1.809 0.000
y -1.809 12.793 0.000
z 0.000 0.000 5.583


<r2> (average value of r2) Å2
<r2> 224.280
(<r2>)1/2 14.976