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

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-208.851661
Energy at 298.15K-208.856491
Nuclear repulsion energy142.596954
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 HF/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3368 3046 7.45      
2 A 3327 3009 16.93      
3 A 3285 2971 8.53      
4 A 3188 2883 20.85      
5 A 2582 2335 37.58      
6 A 1849 1672 23.97      
7 A 1617 1462 16.32      
8 A 1564 1415 1.58      
9 A 1523 1377 2.59      
10 A 1364 1234 1.32      
11 A 1220 1104 0.21      
12 A 1022 925 12.14      
13 A 946 856 0.72      
14 A 718 649 1.37      
15 A 440 398 0.38      
16 A 178 161 5.31      
17 A 3235 2926 26.11      
18 A 1616 1462 9.30      
19 A 1188 1075 1.04      
20 A 1092 987 2.63      
21 A 830 751 50.14      
22 A 585 529 1.63      
23 A 321 290 2.54      
24 A 155 140 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18606.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 16827.9 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 HF/6-311G*
ABC
0.40820 0.11576 0.09169

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.232 0.238 0.000
N2 -2.207 -0.335 0.000
C3 0.000 0.983 0.000
H4 -0.107 2.052 0.000
C5 1.195 0.414 0.000
H6 2.047 1.074 0.000
C7 1.494 -1.053 0.000
H8 0.597 -1.657 0.000
H9 2.085 -1.311 0.874
H10 2.085 -1.311 -0.874

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.13101.43982.13452.43273.38353.01582.63313.76263.7626
N21.13102.57073.17913.48324.48123.77023.10034.48704.4870
C31.43982.57071.07391.32332.04902.52562.70673.22043.2204
H42.13453.17911.07392.09212.36593.49343.77494.10774.1077
C52.43273.48321.32332.09211.07771.49732.15522.12842.1284
H63.38354.48122.04902.36591.07772.19733.09132.53952.5395
C73.01583.77022.52563.49341.49732.19731.08101.08541.0854
H82.63313.10032.70673.77492.15523.09131.08101.75921.7592
H93.76264.48703.22044.10772.12842.53951.08541.75921.7470
H103.76264.48703.22044.10772.12842.53951.08541.75921.7470

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 115.473 C1 C3 C5 123.329
N2 C1 C3 179.212 C3 C5 H6 116.796
C3 C5 C7 127.012 H4 C3 C5 121.198
C5 C7 H8 112.412 C5 C7 H9 109.963
C5 C7 H10 109.963 H6 C5 C7 116.192
H8 C7 H9 108.587 H8 C7 H10 108.587
H9 C7 H10 107.174
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.145 0.571   0.635
2 N -0.343 -0.556   -0.558
3 C -0.232 -0.439   -0.665
4 H 0.262 0.189   0.268
5 C -0.125 0.039   0.202
6 H 0.232 0.102   0.095
7 C -0.661 0.020   -0.303
8 H 0.253 0.037   0.125
9 H 0.234 0.018   0.100
10 H 0.234 0.018   0.100


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.312 1.281 0.000 4.499
CHELPG        
AIM        
ESP 4.302 1.294 0.000 4.493


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.904 -2.509 0.000
y -2.509 -27.610 0.000
z 0.000 0.000 -31.378
Traceless
 xyz
x -6.410 -2.509 0.000
y -2.509 6.032 0.000
z 0.000 0.000 0.379
Polar
3z2-r20.757
x2-y2-8.295
xy-2.509
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.787 -0.213 0.000
y -0.213 6.158 0.000
z 0.000 0.000 4.010


<r2> (average value of r2) Å2
<r2> 125.837
(<r2>)1/2 11.218