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

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-208.880239
Energy at 298.15K-208.884968
Nuclear repulsion energy139.687682
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/6-311+G(3df,2p)
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' 3335 3030 4.09      
2 A' 3308 3006 5.81      
3 A' 3243 2947 17.62      
4 A' 3161 2872 18.15      
5 A' 2572 2337 59.01      
6 A' 1845 1676 29.25      
7 A' 1602 1456 16.55      
8 A' 1540 1399 1.29      
9 A' 1438 1307 3.83      
10 A' 1421 1291 1.35      
11 A' 1217 1106 0.12      
12 A' 1080 981 5.69      
13 A' 972 883 4.08      
14 A' 609 553 0.48      
15 A' 427 388 2.29      
16 A' 196 178 5.87      
17 A" 3210 2916 16.24      
18 A" 1595 1450 7.85      
19 A" 1185 1077 4.13      
20 A" 1085 986 43.86      
21 A" 897 815 4.31      
22 A" 549 499 5.86      
23 A" 214 195 1.21      
24 A" 192 174 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 18445.4 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 16759.5 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/6-311+G(3df,2p)
ABC
1.30225 0.07764 0.07426

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.643 0.440 0.000
H2 2.623 -1.088 0.873
H3 2.623 -1.088 -0.873
C4 2.246 -0.566 0.000
H5 0.271 -1.534 0.000
C6 0.752 -0.571 0.000
H7 0.422 1.500 0.000
C8 0.000 0.513 0.000
N9 -2.564 0.407 0.000
C10 -1.437 0.444 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.75961.75961.08133.08622.14492.46132.64425.20744.0797
H21.75961.74571.08442.54812.12833.50733.19435.46824.4257
H31.75961.74571.08442.54812.12833.50733.19435.46824.4257
C41.08131.08441.08442.19991.49462.75602.49194.90783.8188
H53.08622.54812.54812.19991.07603.03732.06473.43582.6129
C62.14492.12832.12831.49461.07602.09711.31943.45712.4123
H72.46133.50733.50732.75603.03732.09711.07303.17932.1372
C82.64423.19433.19432.49192.06471.31941.07302.56631.4382
N95.20745.46825.46824.90783.43583.45713.17932.56631.1281
C104.07974.42574.42573.81882.61292.41232.13721.43821.1281

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 108.677 H1 C4 H3 108.677
H1 C4 C6 111.744 H2 C4 H3 107.198
H2 C4 C6 110.208 H3 C4 C6 110.208
C4 C6 H5 116.754 C4 C6 C8 124.517
H5 C6 C8 118.728 C6 C8 H7 122.130
C6 C8 C10 121.980 H7 C8 C10 115.890
C8 C10 N9 179.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.122      
2 H 0.144      
3 H 0.144      
4 C -0.350      
5 H 0.128      
6 C -0.142      
7 H 0.126      
8 C 0.120      
9 N -1.142      
10 C 0.849      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.026 -0.640 0.000 5.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.758 0.767 0.000
y 0.767 -27.397 0.000
z 0.000 0.000 -31.397
Traceless
 xyz
x -10.361 0.767 0.000
y 0.767 8.180 0.000
z 0.000 0.000 2.181
Polar
3z2-r24.361
x2-y2-12.361
xy0.767
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.914 -1.610 0.000
y -1.610 7.013 0.000
z 0.000 0.000 5.421


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000