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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-210.138039
Energy at 298.15K-210.142622
Nuclear repulsion energy142.214654
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 mPW1PW91/6-311G*
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 3208 3062 6.00      
2 A 3181 3036 11.35      
3 A 3156 3012 2.59      
4 A 3055 2916 10.30      
5 A 2364 2256 18.51      
6 A 1720 1642 17.34      
7 A 1501 1432 20.77      
8 A 1445 1379 6.72      
9 A 1409 1345 4.80      
10 A 1273 1215 0.63      
11 A 1138 1086 0.17      
12 A 981 937 15.81      
13 A 921 879 2.11      
14 A 677 646 1.75      
15 A 403 385 0.16      
16 A 160 153 4.53      
17 A 3110 2968 12.10      
18 A 1498 1430 11.67      
19 A 1076 1026 0.36      
20 A 994 949 0.64      
21 A 759 725 46.04      
22 A 541 517 3.60      
23 A 294 280 2.73      
24 A 151 144 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 17507.2 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 16708.9 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 mPW1PW91/6-311G*
ABC
0.40637 0.11601 0.09177

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.218 0.250 0.000
N2 -2.212 -0.336 0.000
C3 0.000 0.985 0.000
H4 -0.098 2.065 0.000
C5 1.205 0.406 0.000
H6 2.069 1.067 0.000
C7 1.480 -1.054 0.000
H8 0.565 -1.647 0.000
H9 2.073 -1.330 0.876
H10 2.073 -1.330 -0.876

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.15411.42232.13302.42843.38712.99602.60333.75463.7546
N21.15412.57643.19933.49744.50543.76113.07154.48594.4859
C31.42232.57641.08481.33712.07102.51892.69153.22903.2290
H42.13303.19931.08482.10942.38603.49513.77064.12444.1244
C52.42843.49741.33712.10941.08731.48572.15062.13012.1301
H63.38714.50542.07102.38601.08732.20093.10232.55222.5522
C72.99603.76112.51893.49511.48572.20091.08971.09401.0940
H82.60333.07152.69153.77062.15063.10231.08971.77251.7725
H93.75464.48593.22904.12442.13012.55221.09401.77251.7526
H103.75464.48593.22904.12442.13012.55221.09401.77251.7526

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 115.939 C1 C3 C5 123.265
N2 C1 C3 179.389 C3 C5 H6 116.980
C3 C5 C7 126.262 H4 C3 C5 120.795
C5 C7 H8 112.330 C5 C7 H9 110.403
C5 C7 H10 110.403 H6 C5 C7 116.758
H8 C7 H9 108.525 H8 C7 H10 108.525
H9 C7 H10 106.452
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.104      
2 N -0.284      
3 C -0.207      
4 H 0.250      
5 C -0.143      
6 H 0.225      
7 C -0.699      
8 H 0.261      
9 H 0.247      
10 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.067 1.170 0.000 4.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.976 -2.449 0.000
y -2.449 -27.066 0.000
z 0.000 0.000 -30.912
Traceless
 xyz
x -5.988 -2.449 0.000
y -2.449 5.878 0.000
z 0.000 0.000 0.109
Polar
3z2-r20.219
x2-y2-7.910
xy-2.449
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> 125.401
(<r2>)1/2 11.198