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All results from a given calculation for C4H5N ((E)-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-208.851916
Energy at 298.15K-208.856623
Nuclear repulsion energy139.452824
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' 3353 3033 6.50      
2 A' 3331 3012 10.92      
3 A' 3266 2954 22.53      
4 A' 3186 2881 25.02      
5 A' 2584 2337 48.34      
6 A' 1861 1684 27.82      
7 A' 1619 1464 16.64      
8 A' 1551 1403 1.57      
9 A' 1446 1308 3.13      
10 A' 1431 1294 0.58      
11 A' 1222 1106 0.14      
12 A' 1087 983 5.38      
13 A' 976 883 3.58      
14 A' 611 553 0.32      
15 A' 427 387 1.97      
16 A' 197 178 5.42      
17 A" 3236 2927 26.04      
18 A" 1612 1457 9.11      
19 A" 1188 1074 3.77      
20 A" 1088 984 46.98      
21 A" 892 807 5.12      
22 A" 553 500 5.99      
23 A" 203 183 1.17      
24 A" 192 173 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 18555.8 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 16781.9 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
1.30001 0.07735 0.07399

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)
H1 2.650 0.432 0.000
H2 2.626 -1.095 0.873
H3 2.626 -1.095 -0.873
C4 2.248 -0.573 0.000
H5 0.269 -1.539 0.000
C6 0.752 -0.575 0.000
H7 0.426 1.500 0.000
C8 0.000 0.513 0.000
N9 -2.568 0.415 0.000
C10 -1.437 0.450 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.75961.75961.08263.09102.14932.46702.65155.21814.0877
H21.75961.74681.08532.55202.13223.51203.20055.47884.4340
H31.75961.74681.08532.55202.13223.51203.20055.47884.4340
C41.08261.08531.08532.20221.49692.75982.49684.91663.8252
H53.09102.55202.55202.20221.07783.04252.06913.44492.6209
C62.14932.13222.13221.49691.07782.09991.32203.46392.4171
H72.46703.51203.51202.75983.04252.09991.07513.18422.1386
C82.65153.20053.20052.49682.06911.32201.07512.56961.4387
N95.21815.47885.47884.91663.44493.46393.18422.56961.1309
C104.08774.43404.43403.82522.62092.41712.13861.43871.1309

picture of (E)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H2 108.521 H1 C4 H3 108.521
H1 C4 C6 111.861 H2 C4 H3 107.174
H2 C4 C6 110.311 H3 C4 C6 110.311
C4 C6 H5 116.652 C4 C6 C8 124.576
H5 C6 C8 118.772 C6 C8 H7 121.998
C6 C8 C10 122.163 H7 C8 C10 115.838
C8 C10 N9 179.289
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 H 0.228 0.040   0.094
2 H 0.235 0.040   0.094
3 H 0.235 0.040   0.094
4 C -0.644 -0.043   -0.253
5 H 0.243 0.116   0.121
6 C -0.126 0.025   0.115
7 H 0.257 0.207   0.265
8 C -0.242 -0.391   -0.509
9 N -0.341 -0.535   -0.510
10 C 0.157 0.502   0.488


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.857 -0.643 0.000 4.899
CHELPG        
AIM        
ESP 4.868 -0.621 0.000 4.907


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.598 0.831 0.000
y 0.831 -27.302 0.000
z 0.000 0.000 -31.353
Traceless
 xyz
x -10.270 0.831 0.000
y 0.831 8.173 0.000
z 0.000 0.000 2.097
Polar
3z2-r24.194
x2-y2-12.295
xy0.831
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.047 -1.690 0.000
y -1.690 6.327 0.000
z 0.000 0.000 4.022


<r2> (average value of r2) Å2
<r2> 150.478
(<r2>)1/2 12.267