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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-210.065734
Energy at 298.15K-210.070055
HF Energy-210.065734
Nuclear repulsion energy137.076742
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*
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' 3095 3070 18.44      
2 A' 3086 3061 0.61      
3 A' 3047 3022 13.22      
4 A' 2959 2935 16.13      
5 A' 2236 2218 14.75      
6 A' 1647 1634 18.21      
7 A' 1476 1464 15.20      
8 A' 1400 1388 0.71      
9 A' 1309 1298 0.38      
10 A' 1293 1282 1.27      
11 A' 1109 1100 0.22      
12 A' 1018 1010 6.24      
13 A' 894 887 7.50      
14 A' 541 537 0.00      
15 A' 385 382 1.34      
16 A' 172 170 3.68      
17 A" 3000 2975 15.11      
18 A" 1467 1455 7.11      
19 A" 1044 1036 0.00      
20 A" 961 953 29.61      
21 A" 777 771 1.00      
22 A" 484 480 5.03      
23 A" 198 197 1.79      
24 A" 168 167 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 16882.4 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 16745.7 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*
ABC
1.27445 0.07488 0.07168

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.688 0.405 0.000
H2 2.657 -1.149 0.885
H3 2.657 -1.149 -0.885
C4 2.271 -0.614 0.000
H5 0.267 -1.581 0.000
C6 0.762 -0.603 0.000
H7 0.450 1.514 0.000
C8 0.000 0.516 0.000
N9 -2.612 0.470 0.000
C10 -1.439 0.480 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.78881.78881.10083.13122.17372.49852.69075.30064.1286
H21.78881.77081.10432.58472.16143.57063.25825.58274.4966
H31.78881.77081.10432.58472.16143.57063.25825.58274.4966
C41.10081.10431.10432.22491.50872.80102.53655.00173.8684
H53.13122.58472.58472.22491.09593.10022.11353.53482.6757
C62.17372.16142.16141.50871.09592.14011.35393.54082.4538
H72.49853.57063.57062.80103.10022.14011.09493.23462.1537
C82.69073.25823.25822.53652.11351.35391.09492.61221.4399
N95.30065.58275.58275.00173.53483.54083.23462.61221.1724
C104.12864.49664.49663.86842.67572.45382.15371.43991.1724

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 108.429 H1 C4 H3 108.429
H1 C4 C6 111.869 H2 C4 H3 106.599
H2 C4 C6 110.667 H3 C4 C6 110.667
C4 C6 H5 116.449 C4 C6 C8 124.685
H5 C6 C8 118.865 C6 C8 H7 121.478
C6 C8 C10 122.847 H7 C8 C10 115.674
C8 C10 N9 179.056
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.152      
2 H 0.162      
3 H 0.162      
4 C -0.457      
5 H 0.138      
6 C -0.026      
7 H 0.151      
8 C -0.129      
9 N -0.469      
10 C 0.316      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.461 -0.682 0.000 4.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.747 0.964 0.000
y 0.964 -27.162 0.000
z 0.000 0.000 -30.329
Traceless
 xyz
x -9.002 0.964 0.000
y 0.964 6.875 0.000
z 0.000 0.000 2.126
Polar
3z2-r24.252
x2-y2-10.585
xy0.964
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.324 -1.881 0.000
y -1.881 6.327 0.000
z 0.000 0.000 3.708


<r2> (average value of r2) Å2
<r2> 154.046
(<r2>)1/2 12.412