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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-249.359787
Energy at 298.15K-249.366598
Nuclear repulsion energy197.058786
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 B1B95/6-31G(2df,p)
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' 3206 3071 2.72      
2 A' 3183 3049 5.64      
3 A' 3149 3016 19.64      
4 A' 3058 2928 15.56      
5 A' 3034 2906 12.84      
6 A' 2359 2259 26.03      
7 A' 1719 1647 28.01      
8 A' 1496 1432 4.85      
9 A' 1454 1392 11.14      
10 A' 1405 1346 6.56      
11 A' 1371 1313 8.02      
12 A' 1342 1285 0.17      
13 A' 1306 1251 2.37      
14 A' 1114 1067 3.94      
15 A' 1076 1031 4.46      
16 A' 983 942 1.20      
17 A' 909 870 4.19      
18 A' 578 554 0.81      
19 A' 513 491 0.06      
20 A' 265 253 1.53      
21 A' 150 143 4.43      
22 A" 3136 3004 20.62      
23 A" 3062 2932 6.91      
24 A" 1484 1422 7.52      
25 A" 1279 1225 0.17      
26 A" 1096 1050 1.57      
27 A" 1007 964 23.75      
28 A" 856 819 6.36      
29 A" 735 704 0.68      
30 A" 504 482 6.23      
31 A" 254 243 0.00      
32 A" 179 171 0.22      
33 A" 128 123 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 23693.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 22691.1 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 B1B95/6-31G(2df,p)
ABC
0.48555 0.05229 0.04803

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.445 2.787 0.000
C2 -0.805 1.823 0.000
H3 1.072 0.812 0.000
C4 0.000 0.652 0.000
H5 -1.602 -0.680 0.000
C6 -0.521 -0.578 0.000
H7 -0.056 -2.438 0.868
H8 -0.056 -2.438 -0.868
C9 0.263 -1.847 0.000
H10 2.263 -2.662 0.000
H11 2.114 -1.142 -0.884
H12 2.114 -1.142 0.884
C13 1.773 -1.687 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.15713.19952.57803.47093.48975.47605.47604.93866.59115.37455.37455.5116
C21.15712.13201.42102.62742.41794.41294.41293.82225.43404.25364.25364.3555
H33.19952.13201.08423.06282.11423.54863.54862.77963.67272.38452.38452.5960
C42.57801.42101.08422.08381.33573.21043.21042.51274.01312.91022.91022.9356
H53.47092.62743.06282.08381.08652.49682.49682.19994.34383.84773.84773.5226
C63.48972.41792.11421.33571.08652.10462.10461.49123.47732.83552.83552.5481
H75.47604.41293.54863.21042.49682.10461.73541.09752.48633.07522.52782.1596
H85.47604.41293.54863.21042.49682.10461.73541.09752.48632.52783.07522.1596
C94.93863.82222.77962.51272.19991.49121.09751.09752.16002.16892.16891.5189
H106.59115.43403.67274.01314.34383.47732.48632.48632.16001.76441.76441.0908
H115.37454.25362.38452.91023.84772.83553.07522.52782.16891.76441.76751.0928
H125.37454.25362.38452.91023.84772.83552.52783.07522.16891.76441.76751.0928
C135.51164.35552.59602.93563.52262.54812.15962.15961.51891.09081.09281.0928

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 179.097 C2 C4 H3 116.001
C2 C4 C6 122.567 H3 C4 C6 121.433
C4 C6 H5 118.339 C4 C6 C9 125.372
H5 C6 C9 116.289 C6 C9 H7 107.810
C6 C9 H8 107.810 C6 C9 C13 115.661
H7 C9 H8 104.488 H7 C9 C13 110.223
H8 C9 C13 110.223 C9 C13 H10 110.650
C9 C13 H11 111.245 C9 C13 H12 111.245
H10 C13 H11 107.807 H10 C13 H12 107.807
H11 C13 H12 107.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.338      
2 C 0.285      
3 H 0.146      
4 C -0.224      
5 H 0.136      
6 C -0.036      
7 H 0.142      
8 H 0.142      
9 C -0.250      
10 H 0.136      
11 H 0.141      
12 H 0.141      
13 C -0.419      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.099 -4.344 0.000 4.824
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.265 6.737 0.000
y 6.737 -44.442 0.000
z 0.000 0.000 -36.380
Traceless
 xyz
x 3.146 6.737 0.000
y 6.737 -7.620 0.000
z 0.000 0.000 4.474
Polar
3z2-r28.949
x2-y27.177
xy6.737
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.148 -1.833 0.000
y -1.833 12.640 0.000
z 0.000 0.000 5.532


<r2> (average value of r2) Å2
<r2> 223.976
(<r2>)1/2 14.966