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

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-210.079123
Energy at 298.15K-210.083482
Nuclear repulsion energy137.476792
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 BLYP/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' 3089 3072 14.92      
2 A' 3078 3061 0.60      
3 A' 3040 3023 11.58      
4 A' 2950 2934 14.02      
5 A' 2235 2223 14.13      
6 A' 1635 1626 19.62      
7 A' 1446 1438 14.38      
8 A' 1370 1363 0.55      
9 A' 1300 1293 0.26      
10 A' 1277 1270 1.54      
11 A' 1099 1092 0.13      
12 A' 1014 1008 6.68      
13 A' 883 878 7.19      
14 A' 547 543 0.05      
15 A' 386 384 1.53      
16 A' 172 171 3.92      
17 A" 2992 2976 11.60      
18 A" 1437 1430 5.67      
19 A" 1036 1030 0.36      
20 A" 967 961 25.11      
21 A" 788 784 0.66      
22 A" 493 490 4.38      
23 A" 200 199 1.65      
24 A" 170 169 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 16800.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 16708.1 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 BLYP/6-31G(2df,p)
ABC
1.28741 0.07524 0.07204

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.682 0.379 0.000
H2 2.640 -1.175 0.883
H3 2.640 -1.175 -0.883
C4 2.256 -0.635 0.000
H5 0.250 -1.587 0.000
C6 0.754 -0.616 0.000
H7 0.470 1.492 0.000
C8 0.000 0.504 0.000
N9 -2.598 0.511 0.000
C10 -1.426 0.494 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.78831.78831.09983.12792.16952.47602.68515.28204.1102
H21.78831.76571.10412.58102.15573.54983.25105.57304.4834
H31.78831.76571.10412.58102.15573.54983.25105.57304.4834
C41.09981.10411.10412.22101.50182.77702.52724.98753.8517
H53.12792.58102.58102.22101.09443.08702.10603.53702.6723
C62.16952.15572.15571.50181.09442.12701.35053.53682.4472
H72.47603.54983.54982.77703.08702.12701.09423.22162.1432
C82.68513.25103.25102.52722.10601.35051.09422.59811.4264
N95.28205.57305.57304.98753.53703.53683.22162.59811.1718
C104.11024.48344.48343.85172.67232.44722.14321.42641.1718

picture of (E)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H2 108.471 H1 C4 H3 108.471
H1 C4 C6 112.083 H2 C4 H3 106.188
H2 C4 C6 110.707 H3 C4 C6 110.707
C4 C6 H5 116.752 C4 C6 C8 124.675
H5 C6 C8 118.573 C6 C8 H7 120.576
C6 C8 C10 123.566 H7 C8 C10 115.858
C8 C10 N9 178.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.117      
2 H 0.131      
3 H 0.131      
4 C -0.398      
5 H 0.098      
6 C 0.026      
7 H 0.109      
8 C -0.151      
9 N -0.344      
10 C 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.460 -0.699 0.000 4.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.836 1.051 0.000
y 1.051 -27.246 0.000
z 0.000 0.000 -30.193
Traceless
 xyz
x -9.117 1.051 0.000
y 1.051 6.769 0.000
z 0.000 0.000 2.348
Polar
3z2-r24.696
x2-y2-10.590
xy1.051
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.535 -1.889 0.000
y -1.889 6.616 0.000
z 0.000 0.000 4.205


<r2> (average value of r2) Å2
<r2> 153.385
(<r2>)1/2 12.385