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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-35.484787
Energy at 298.15K-35.489256
Nuclear repulsion energy73.443192
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 B3LYP/CEP-121G*
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 3174 3076 8.45      
2 A 3143 3047 16.95      
3 A 3119 3024 3.33      
4 A 3016 2923 16.02      
5 A 2275 2205 18.42      
6 A 1660 1609 14.26      
7 A 1490 1445 17.86      
8 A 1427 1384 4.91      
9 A 1389 1346 1.97      
10 A 1248 1210 0.60      
11 A 1114 1080 0.33      
12 A 950 921 13.67      
13 A 883 856 1.61      
14 A 654 634 0.89      
15 A 387 375 0.08      
16 A 156 151 4.14      
17 A 3065 2971 20.03      
18 A 1491 1445 9.60      
19 A 1063 1030 1.36      
20 A 979 949 0.78      
21 A 743 720 41.31      
22 A 517 501 3.27      
23 A 283 274 2.14      
24 A 144 140 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 17183.8 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 16658.0 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 B3LYP/CEP-121G*
ABC
0.39594 0.11326 0.08954

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.274 0.341 0.000
N2 -2.312 -0.195 0.000
C3 0.000 1.021 0.000
H4 -0.043 2.109 0.000
C5 1.184 0.369 0.000
H6 2.086 0.984 0.000
C7 1.381 -1.127 0.000
H8 0.429 -1.666 0.000
H9 1.961 -1.433 0.882
H10 1.961 -1.433 -0.882

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16761.44442.15462.45863.42113.03362.63233.79343.7934
N21.16762.61203.23333.54104.55293.80823.11064.53484.5348
C31.44442.61201.08891.35212.08632.55332.72133.26283.2628
H42.15463.23331.08892.12982.40823.53533.80484.16444.1644
C52.45863.54101.35212.12981.09171.50812.17052.15122.1512
H63.42114.55292.08632.40821.09172.22543.12562.57622.5762
C73.03363.80822.55333.53531.50812.22541.09411.09921.0992
H82.63233.11062.72133.80482.17053.12561.09411.78281.7828
H93.79344.53483.26284.16442.15122.57621.09921.78281.7640
H103.79344.53483.26284.16442.15122.57621.09921.78281.7640

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 115.822 C1 C3 C5 123.048
N2 C1 C3 179.212 C3 C5 H6 116.830
C3 C5 C7 126.343 H4 C3 C5 121.129
C5 C7 H8 112.058 C5 C7 H9 110.200
C5 C7 H10 110.200 H6 C5 C7 116.827
H8 C7 H9 108.750 H8 C7 H10 108.750
H9 C7 H10 106.722
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.230      
2 N 0.020      
3 C -0.123      
4 H 0.225      
5 C -0.077      
6 H 0.190      
7 C -0.576      
8 H 0.204      
9 H 0.184      
10 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.171 0.946 0.000 4.277
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.914 -1.919 0.000
y -1.919 -26.920 0.000
z 0.000 0.000 -31.071
Traceless
 xyz
x -6.918 -1.919 0.000
y -1.919 6.572 0.000
z 0.000 0.000 0.346
Polar
3z2-r20.692
x2-y2-8.993
xy-1.919
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.848 -0.334 0.000
y -0.334 6.951 0.000
z 0.000 0.000 4.496


<r2> (average value of r2) Å2
<r2> 102.529
(<r2>)1/2 10.126