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All results from a given calculation for C5H7N ((E)-2-Pentenenitrile)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-247.772422
Energy at 298.15K-247.779316
Nuclear repulsion energy195.006190
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/3-21G
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' 3113 3085 2.48      
2 A' 3096 3068 5.44      
3 A' 3065 3037 18.58      
4 A' 2987 2960 12.74      
5 A' 2957 2930 9.93      
6 A' 2234 2214 11.57      
7 A' 1644 1629 21.90      
8 A' 1523 1509 8.83      
9 A' 1474 1460 19.81      
10 A' 1415 1402 11.10      
11 A' 1359 1346 1.93      
12 A' 1327 1315 0.82      
13 A' 1287 1275 7.57      
14 A' 1093 1083 0.82      
15 A' 1060 1050 3.90      
16 A' 981 972 4.28      
17 A' 878 870 5.34      
18 A' 585 580 0.48      
19 A' 527 523 0.65      
20 A' 273 271 0.91      
21 A' 154 153 2.25      
22 A" 3060 3032 19.82      
23 A" 2980 2953 5.89      
24 A" 1522 1508 10.51      
25 A" 1293 1281 0.01      
26 A" 1099 1089 0.62      
27 A" 969 960 42.68      
28 A" 856 848 11.35      
29 A" 750 743 2.38      
30 A" 540 535 3.62      
31 A" 279 277 0.13      
32 A" 181 180 0.29      
33 A" 128 127 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 23344.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 23131.6 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/3-21G
ABC
0.46792 0.05154 0.04726

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.415 2.837 0.000
C2 -0.775 1.844 0.000
H3 1.088 0.783 0.000
C4 0.000 0.652 0.000
H5 -1.640 -0.681 0.000
C6 -0.547 -0.585 0.000
H7 -0.073 -2.469 0.884
H8 -0.073 -2.469 -0.884
C9 0.239 -1.875 0.000
H10 2.263 -2.693 0.000
H11 2.105 -1.155 -0.897
H12 2.105 -1.155 0.897
C13 1.771 -1.705 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.18133.23752.60263.52553.53035.54345.54344.99376.64095.39715.39715.5479
C21.18132.14371.42142.66912.43964.45774.45773.85465.45984.25364.25364.3679
H33.23752.14371.09543.09542.13123.56383.56382.79013.66862.36532.36532.5800
C42.60261.42141.09542.11361.35283.24473.24472.53874.03862.91602.91602.9487
H53.52552.66913.09542.11361.09712.53572.53572.22564.39063.87983.87983.5612
C63.53032.43962.13121.35281.09712.13402.13401.51043.51252.85702.85702.5744
H75.54344.45773.56383.24472.53572.13401.76891.10992.50853.10592.54392.1835
H85.54344.45773.56383.24472.53572.13401.76891.10992.50852.54393.10592.1835
C94.99373.85462.79012.53872.22561.51041.10991.10992.18332.19262.19261.5419
H106.64095.45983.66864.03864.39063.51252.50852.50852.18331.78731.78731.1032
H115.39714.25362.36532.91603.87982.85703.10592.54392.19261.78731.79501.1044
H125.39714.25362.36532.91603.87982.85702.54393.10592.19261.78731.79501.1044
C135.54794.36792.58002.94873.56122.57442.18352.18351.54191.10321.10441.1044

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 179.737 C2 C4 H3 116.213
C2 C4 C6 123.115 H3 C4 C6 120.672
C4 C6 H5 118.875 C4 C6 C9 124.823
H5 C6 C9 116.302 C6 C9 H7 108.086
C6 C9 H8 108.086 C6 C9 C13 115.006
H7 C9 H8 105.666 H7 C9 C13 109.783
H8 C9 C13 109.783 C9 C13 H10 110.160
C9 C13 H11 110.817 C9 C13 H12 110.817
H10 C13 H11 108.122 H10 C13 H12 108.122
H11 C13 H12 108.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.488      
2 C 0.302      
3 H 0.245      
4 C -0.206      
5 H 0.223      
6 C -0.113      
7 H 0.236      
8 H 0.236      
9 C -0.472      
10 H 0.217      
11 H 0.215      
12 H 0.215      
13 C -0.609      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.885 -4.099 0.000 4.512
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.958 6.149 0.000
y 6.149 -44.133 0.000
z 0.000 0.000 -37.348
Traceless
 xyz
x 3.782 6.149 0.000
y 6.149 -6.979 0.000
z 0.000 0.000 3.197
Polar
3z2-r26.394
x2-y27.175
xy6.149
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.400 -1.818 0.000
y -1.818 12.256 0.000
z 0.000 0.000 4.543


<r2> (average value of r2) Å2
<r2> 227.337
(<r2>)1/2 15.078