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: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-249.382573
Energy at 298.15K-249.389399
Nuclear repulsion energy195.791740
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3200 3088 1.58      
2 A' 3173 3062 5.44      
3 A' 3138 3028 18.33      
4 A' 3049 2942 16.51      
5 A' 3022 2917 15.90      
6 A' 2346 2264 27.58      
7 A' 1714 1654 28.75      
8 A' 1478 1426 4.16      
9 A' 1433 1382 14.87      
10 A' 1404 1355 5.58      
11 A' 1366 1318 7.78      
12 A' 1319 1273 1.29      
13 A' 1276 1232 1.29      
14 A' 1119 1080 4.58      
15 A' 1074 1037 5.96      
16 A' 990 955 1.39      
17 A' 910 878 5.66      
18 A' 580 560 0.48      
19 A' 509 492 0.02      
20 A' 257 248 1.22      
21 A' 145 140 3.35      
22 A" 3131 3021 20.02      
23 A" 3050 2943 7.89      
24 A" 1471 1419 7.84      
25 A" 1276 1231 0.10      
26 A" 1089 1051 1.72      
27 A" 994 959 27.91      
28 A" 848 818 9.46      
29 A" 732 706 0.88      
30 A" 493 475 4.65      
31 A" 283 273 0.01      
32 A" 181 175 0.15      
33 A" 127 123 3.26      

Unscaled Zero Point Vibrational Energy (zpe) 23587.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 22761.5 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 B3PW91/cc-pVDZ
ABC
0.48639 0.05140 0.04731

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.479 2.796 0.000
C2 -0.823 1.833 0.000
H3 1.079 0.844 0.000
C4 0.000 0.666 0.000
H5 -1.601 -0.687 0.000
C6 -0.511 -0.577 0.000
H7 -0.051 -2.443 0.873
H8 -0.051 -2.443 -0.873
C9 0.277 -1.848 0.000
H10 2.270 -2.698 0.000
H11 2.148 -1.167 -0.891
H12 2.148 -1.167 0.891
C13 1.792 -1.708 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.16513.21702.59233.48433.50895.49955.49954.96456.65115.44555.44555.5656
C21.16512.14301.42732.63692.43004.43184.43183.84165.48604.31514.31514.4012
H33.21702.14301.09303.08602.13213.58373.58372.80883.73712.44582.44582.6494
C42.59231.42731.09302.09631.34463.23033.23032.52984.05902.96172.96172.9744
H53.48432.63693.08602.09631.09572.50022.50022.20834.36323.88403.88403.5434
C63.50892.43002.13211.34461.09572.11092.11091.49533.49792.86612.86612.5653
H75.49954.43183.58373.23032.50022.11091.74661.10652.49373.09512.54322.1680
H85.49954.43183.58373.23032.50022.11091.74661.10652.49372.54323.09512.1680
C94.96453.84162.80882.52982.20831.49531.10651.10652.16732.18192.18191.5214
H106.65115.48603.73714.05904.36323.49792.49372.49372.16731.77551.77551.1000
H115.44554.31512.44582.96173.88402.86613.09512.54322.18191.77551.78171.1015
H125.44554.31512.44582.96173.88402.86612.54323.09512.18191.77551.78171.1015
C135.56564.40122.64942.97443.54342.56532.16802.16801.52141.10001.10151.1015

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 179.069 C2 C4 H3 115.858
C2 C4 C6 122.464 H3 C4 C6 121.677
C4 C6 H5 118.063 C4 C6 C9 125.867
H5 C6 C9 116.070 C6 C9 H7 107.505
C6 C9 H8 107.505 C6 C9 C13 116.500
H7 C9 H8 104.231 H7 C9 C13 110.175
H8 C9 C13 110.175 C9 C13 H10 110.507
C9 C13 H11 111.581 C9 C13 H12 111.581
H10 C13 H11 107.515 H10 C13 H12 107.515
H11 C13 H12 107.954
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.141      
2 C -0.029      
3 H 0.054      
4 C -0.038      
5 H 0.037      
6 C -0.020      
7 H 0.067      
8 H 0.067      
9 C -0.069      
10 H 0.051      
11 H 0.059      
12 H 0.059      
13 C -0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.113 -4.301 0.000 4.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.575 6.628 0.000
y 6.628 -44.303 0.000
z 0.000 0.000 -36.922
Traceless
 xyz
x 3.037 6.628 0.000
y 6.628 -7.055 0.000
z 0.000 0.000 4.017
Polar
3z2-r28.034
x2-y26.728
xy6.628
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 227.265
(<r2>)1/2 15.075