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

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-210.120960
Energy at 298.15K-210.125401
Nuclear repulsion energy140.656662
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/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 3087 3079 13.48      
2 A 3066 3059 12.24      
3 A 3041 3033 3.56      
4 A 2949 2942 13.43      
5 A 2226 2221 10.50      
6 A 1625 1621 12.43      
7 A 1461 1458 19.67      
8 A 1399 1396 6.72      
9 A 1376 1373 3.00      
10 A 1240 1237 0.56      
11 A 1100 1097 0.36      
12 A 946 943 14.92      
13 A 873 871 2.56      
14 A 655 653 1.11      
15 A 387 386 0.10      
16 A 155 154 4.18      
17 A 2984 2977 17.20      
18 A 1461 1457 9.60      
19 A 1038 1036 0.38      
20 A 947 945 0.38      
21 A 728 726 39.59      
22 A 518 517 3.48      
23 A 283 282 2.63      
24 A 142 141 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 16842.3 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 16800.2 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/6-311G*
ABC
0.40416 0.11213 0.08923

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.234 0.262 0.000
N2 -2.252 -0.312 0.000
C3 0.000 0.983 0.000
H4 -0.089 2.073 0.000
C5 1.220 0.400 0.000
H6 2.088 1.067 0.000
C7 1.507 -1.074 0.000
H8 0.592 -1.679 0.000
H9 2.108 -1.351 0.882
H10 2.108 -1.351 -0.882

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16881.42922.14272.45743.41803.04862.66433.81363.8136
N21.16882.59793.21993.54404.55383.83513.15504.56774.5677
C31.42922.59791.09311.35192.08982.54982.72723.26633.2663
H42.14273.21991.09312.12352.39793.52793.81304.16214.1621
C52.45743.54401.35192.12351.09481.50162.17202.15232.1523
H63.41804.55382.08982.39791.09482.21813.12722.57362.5736
C73.04863.83512.54983.52791.50162.21811.09731.10251.1025
H82.66433.15502.72723.81302.17203.12721.09731.78441.7844
H93.81364.56773.26634.16212.15232.57361.10251.78441.7636
H103.81364.56773.26634.16212.15232.57361.10251.78441.7636

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 115.671 C1 C3 C5 124.129
N2 C1 C3 179.086 C3 C5 H6 116.935
C3 C5 C7 126.571 H4 C3 C5 120.201
C5 C7 H8 112.459 C5 C7 H9 110.543
C5 C7 H10 110.543 H6 C5 C7 116.494
H8 C7 H9 108.422 H8 C7 H10 108.422
H9 C7 H10 106.223
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 N -0.198      
3 C -0.185      
4 H 0.221      
5 C -0.116      
6 H 0.197      
7 C -0.627      
8 H 0.232      
9 H 0.220      
10 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.951 1.095 0.000 4.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.563 -2.350 0.000
y -2.350 -27.572 0.000
z 0.000 0.000 -31.181
Traceless
 xyz
x -6.187 -2.350 0.000
y -2.350 5.800 0.000
z 0.000 0.000 0.387
Polar
3z2-r20.773
x2-y2-7.991
xy-2.350
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> 128.649
(<r2>)1/2 11.342