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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-209.892017
Energy at 298.15K-209.896498
Nuclear repulsion energy141.081042
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(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 3121 3089 4.56      
2 A 3097 3065 7.04      
3 A 3074 3043 1.19      
4 A 2969 2938 7.03      
5 A 2244 2221 10.48      
6 A 1641 1624 15.56      
7 A 1428 1414 14.66      
8 A 1374 1360 5.63      
9 A 1341 1328 4.23      
10 A 1220 1207 0.29      
11 A 1087 1076 0.14      
12 A 948 938 15.40      
13 A 894 885 3.13      
14 A 651 645 2.10      
15 A 386 382 0.12      
16 A 153 151 4.50      
17 A 3026 2995 6.39      
18 A 1425 1411 7.11      
19 A 1021 1010 0.08      
20 A 950 940 0.47      
21 A 733 725 29.29      
22 A 525 519 2.14      
23 A 287 284 3.41      
24 A 163 162 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 16878.4 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 16704.6 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(2df,p)
ABC
0.40170 0.11417 0.09040

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.220 0.255 0.000
N2 -2.234 -0.335 0.000
C3 0.000 0.989 0.000
H4 -0.098 2.079 0.000
C5 1.218 0.407 0.000
H6 2.091 1.070 0.000
C7 1.487 -1.062 0.000
H8 0.558 -1.650 0.000
H9 2.087 -1.345 0.883
H10 2.087 -1.345 -0.883

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17301.42412.14112.44343.41033.01102.60643.77893.7789
N21.17302.59713.22293.53134.54783.79213.08684.52504.5250
C31.42412.59711.09391.35072.09282.53372.69803.25363.2536
H42.14113.22291.09392.12852.41103.51833.78654.15694.1569
C52.44343.53131.35072.12851.09621.49282.16022.14552.1455
H63.41034.54782.09282.41101.09622.21533.12232.57122.5712
C73.01103.79212.53373.51831.49282.21531.10001.10451.1045
H82.60643.08682.69803.78652.16023.12231.10001.79201.7920
H93.77894.52503.25364.15692.14552.57121.10451.79201.7663
H103.77894.52503.25364.15692.14552.57121.10451.79201.7663

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 115.876 C1 C3 C5 123.401
N2 C1 C3 179.152 C3 C5 H6 117.212
C3 C5 C7 125.946 H4 C3 C5 120.722
C5 C7 H8 111.962 C5 C7 H9 110.500
C5 C7 H10 110.500 H6 C5 C7 116.842
H8 C7 H9 108.752 H8 C7 H10 108.752
H9 C7 H10 106.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.311      
2 N -0.371      
3 C -0.194      
4 H 0.143      
5 C -0.005      
6 H 0.123      
7 C -0.486      
8 H 0.167      
9 H 0.156      
10 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.913 1.090 0.000 4.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.541 -2.441 0.000
y -2.441 -26.836 0.000
z 0.000 0.000 -30.197
Traceless
 xyz
x -6.025 -2.441 0.000
y -2.441 5.533 0.000
z 0.000 0.000 0.492
Polar
3z2-r20.984
x2-y2-7.705
xy-2.441
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.566 -0.107 0.000
y -0.107 6.834 0.000
z 0.000 0.000 4.212


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