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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-210.149447
Energy at 298.15K 
Nuclear repulsion energy137.846881
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/cc-pVTZ
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' 3078 3069 13.38      
2 A' 3067 3058 0.81      
3 A' 3029 3020 12.49      
4 A' 2948 2939 12.92      
5 A' 2228 2222 16.83      
6 A' 1633 1628 20.19      
7 A' 1450 1446 17.76      
8 A' 1377 1372 2.01      
9 A' 1304 1300 0.57      
10 A' 1286 1282 1.61      
11 A' 1102 1098 0.09      
12 A' 1010 1007 7.53      
13 A' 887 884 8.03      
14 A' 546 544 0.01      
15 A' 386 385 1.40      
16 A' 171 171 3.68      
17 A" 2983 2974 11.13      
18 A" 1440 1436 7.38      
19 A" 1040 1036 0.49      
20 A" 959 956 37.11      
21 A" 788 785 0.75      
22 A" 478 476 3.68      
23 A" 194 194 1.57      
24 A" 167 167 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 16774.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 16724.4 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/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.676 0.381 0.000
H2 2.634 -1.168 0.880
H3 2.634 -1.168 -0.880
C4 2.252 -0.629 0.000
H5 0.252 -1.581 0.000
C6 0.754 -0.613 0.000
H7 0.466 1.490 0.000
C8 0.000 0.503 0.000
N9 -2.592 0.506 0.000
C10 -1.426 0.489 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.78171.78171.09543.11892.16342.47232.67865.26944.1035
H21.78171.75931.09972.57282.14813.54043.24075.55734.4725
H31.78171.75931.09972.57282.14813.54043.24075.55734.4725
C41.09541.09971.09972.21571.49822.77132.52094.97563.8449
H53.11892.57282.57282.21571.09123.07822.09933.52742.6651
C62.16342.14812.14811.49821.09122.12191.34673.52832.4432
H72.47233.54043.54042.77133.07822.12191.09103.21232.1402
C82.67863.24073.24072.52092.09931.34671.09102.59201.4263
N95.26945.55735.55734.97563.52743.52833.21232.59201.1659
C104.10354.47254.47253.84492.66512.44322.14021.42631.1659

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 108.522 H1 C4 H3 108.522
H1 C4 C6 112.110 H2 C4 H3 106.242
H2 C4 C6 110.619 H3 C4 C6 110.619
C4 C6 H5 116.797 C4 C6 C8 124.691
H5 C6 C8 118.512 C6 C8 H7 120.655
C6 C8 C10 123.517 H7 C8 C10 115.827
C8 C10 N9 178.648
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.094      
2 H 0.105      
3 H 0.105      
4 C -0.254      
5 H 0.118      
6 C -0.053      
7 H 0.122      
8 C -0.091      
9 N -0.070      
10 C -0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.595 -0.714 0.000 4.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.733 1.074 0.000
y 1.074 -27.892 0.000
z 0.000 0.000 -31.116
Traceless
 xyz
x -9.229 1.074 0.000
y 1.074 7.033 0.000
z 0.000 0.000 2.196
Polar
3z2-r24.392
x2-y2-10.841
xy1.074
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 153.265
(<r2>)1/2 12.380