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

using model chemistry: LSDA/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 LSDA/3-21G
 hartrees
Energy at 0K-207.808729
Energy at 298.15K-207.813262
Nuclear repulsion energy138.526043
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 LSDA/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' 3103 3052 6.54      
2 A' 3085 3034 1.02      
3 A' 3068 3018 3.47      
4 A' 2973 2924 2.68      
5 A' 2289 2251 11.88      
6 A' 1686 1658 20.54      
7 A' 1480 1456 26.95      
8 A' 1398 1375 21.17      
9 A' 1317 1296 0.88      
10 A' 1300 1279 0.09      
11 A' 1134 1115 1.03      
12 A' 1062 1044 9.53      
13 A' 915 900 14.49      
14 A' 593 583 0.07      
15 A' 410 404 1.32      
16 A' 186 183 2.05      
17 A" 3030 2981 2.54      
18 A" 1471 1447 17.00      
19 A" 1060 1042 4.48      
20 A" 962 946 59.00      
21 A" 828 814 0.74      
22 A" 556 547 3.36      
23 A" 200 197 2.28      
24 A" 176 173 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17140.0 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 16858.9 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 LSDA/3-21G
ABC
1.28174 0.07700 0.07365

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.629 0.416 0.000
H2 2.624 -1.144 0.888
H3 2.624 -1.144 -0.888
C4 2.229 -0.613 0.000
H5 0.245 -1.594 0.000
C6 0.747 -0.617 0.000
H7 0.490 1.481 0.000
C8 0.000 0.497 0.000
N9 -2.577 0.491 0.000
C10 -1.404 0.491 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.79451.79451.10353.11842.14672.38992.63055.20714.0344
H21.79451.77501.10722.57892.14173.49743.21965.52394.4371
H31.79451.77501.10722.57892.14173.49743.21965.52394.4371
C41.10351.10721.10722.21371.48172.72172.49004.93143.7974
H53.11842.57892.57892.21371.09853.08442.10533.50852.6581
C62.14672.14172.14171.48171.09852.11371.34183.50442.4203
H72.38993.49743.49742.72173.08442.11371.09873.22292.1373
C82.63053.21963.21962.49002.10531.34181.09872.57741.4045
N95.20715.52395.52394.93143.50853.50443.22292.57741.1729
C104.03444.43714.43713.79742.65812.42032.13731.40451.1729

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 108.535 H1 C4 H3 108.535
H1 C4 C6 111.438 H2 C4 H3 106.559
H2 C4 C6 110.804 H3 C4 C6 110.804
C4 C6 H5 117.407 C4 C6 C8 123.673
H5 C6 C8 118.920 C6 C8 H7 119.684
C6 C8 C10 123.585 H7 C8 C10 116.730
C8 C10 N9 179.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.233      
2 H 0.250      
3 H 0.250      
4 C -0.692      
5 H 0.235      
6 C -0.134      
7 H 0.251      
8 C -0.200      
9 N -0.443      
10 C 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.350 -0.718 0.000 4.409
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.670 0.831 0.000
y 0.831 -26.840 0.000
z 0.000 0.000 -30.837
Traceless
 xyz
x -7.831 0.831 0.000
y 0.831 6.914 0.000
z 0.000 0.000 0.917
Polar
3z2-r21.835
x2-y2-9.830
xy0.831
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.407 -1.766 0.000
y -1.766 5.858 0.000
z 0.000 0.000 3.169


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000