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All results from a given calculation for C4H5N ((Z)-2-Butenenitrile)

using model chemistry: PBEPBE/6-31G*

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/6-31G*
 hartrees
Energy at 0K-209.878476
Energy at 298.15K-209.882924
Nuclear repulsion energy140.732468
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/6-31G*
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 3129 3084 5.97      
2 A 3106 3061 9.63      
3 A 3082 3038 1.45      
4 A 2978 2935 8.48      
5 A 2250 2218 11.60      
6 A 1653 1629 14.62      
7 A 1460 1439 16.77      
8 A 1400 1380 7.65      
9 A 1368 1348 3.04      
10 A 1234 1216 0.35      
11 A 1102 1086 0.41      
12 A 958 944 15.74      
13 A 900 887 3.01      
14 A 651 642 1.94      
15 A 385 380 0.13      
16 A 153 151 4.31      
17 A 3032 2989 8.84      
18 A 1458 1437 9.43      
19 A 1033 1019 0.00      
20 A 946 932 0.38      
21 A 729 718 36.81      
22 A 519 512 2.47      
23 A 281 277 3.34      
24 A 160 157 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 16983.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 16740.5 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 PBEPBE/6-31G*
ABC
0.39922 0.11369 0.08998

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.223 0.256 0.000
N2 -2.240 -0.338 0.000
C3 0.000 0.994 0.000
H4 -0.096 2.085 0.000
C5 1.221 0.407 0.000
H6 2.094 1.072 0.000
C7 1.491 -1.063 0.000
H8 0.561 -1.654 0.000
H9 2.090 -1.348 0.885
H10 2.090 -1.348 -0.885

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17791.42782.14792.44853.41593.01712.61293.78513.7851
N21.17792.60563.23503.54024.55763.80023.09404.53284.5328
C31.42782.60561.09561.35482.09592.54032.70593.26083.2608
H42.14793.23501.09562.13322.41333.52563.79584.16484.1648
C52.44853.54021.35482.13321.09761.49492.16392.14882.1488
H63.41594.55762.09592.41331.09762.21923.12752.57672.5767
C73.01713.80022.54033.52561.49492.21921.10141.10591.1059
H82.61293.09402.70593.79582.16393.12751.10141.79291.7929
H93.78514.53283.26084.16482.14882.57671.10591.79291.7700
H103.78514.53283.26084.16482.14882.57671.10591.79291.7700

picture of (Z)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.068 C1 C3 C5 123.248
N2 C1 C3 179.191 C3 C5 H6 117.051
C3 C5 C7 126.035 H4 C3 C5 120.684
C5 C7 H8 112.019 C5 C7 H9 110.527
C5 C7 H10 110.527 H6 C5 C7 116.914
H8 C7 H9 108.633 H8 C7 H10 108.633
H9 C7 H10 106.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.319      
2 N -0.473      
3 C -0.170      
4 H 0.190      
5 C -0.061      
6 H 0.163      
7 C -0.546      
8 H 0.200      
9 H 0.189      
10 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.933 1.098 0.000 4.084
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.497 -2.437 0.000
y -2.437 -26.775 0.000
z 0.000 0.000 -30.380
Traceless
 xyz
x -5.919 -2.437 0.000
y -2.437 5.663 0.000
z 0.000 0.000 0.256
Polar
3z2-r20.512
x2-y2-7.722
xy-2.437
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.409 -0.020 0.000
y -0.020 6.500 0.000
z 0.000 0.000 3.704


<r2> (average value of r2) Å2
<r2> 127.213
(<r2>)1/2 11.279