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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-208.890356
Energy at 298.15K-208.895084
HF Energy-208.890356
Nuclear repulsion energy139.690757
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/Def2TZVPP
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' 3338 3026 4.25      
2 A' 3311 3001 6.39      
3 A' 3247 2943 17.59      
4 A' 3165 2868 18.92      
5 A' 2576 2335 55.06      
6 A' 1849 1676 29.25      
7 A' 1602 1452 16.16      
8 A' 1540 1396 1.21      
9 A' 1440 1305 3.57      
10 A' 1423 1289 1.27      
11 A' 1217 1103 0.09      
12 A' 1080 979 5.65      
13 A' 972 881 3.99      
14 A' 610 553 0.42      
15 A' 428 388 2.18      
16 A' 196 178 5.70      
17 A" 3213 2913 17.12      
18 A" 1595 1446 7.83      
19 A" 1186 1075 4.17      
20 A" 1086 984 44.31      
21 A" 898 814 4.39      
22 A" 550 499 5.81      
23 A" 215 195 1.17      
24 A" 192 174 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 18464.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 16736.1 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/Def2TZVPP
ABC
1.30412 0.07762 0.07425

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.635 0.437 0.000
H2 2.616 -1.090 0.872
H3 2.616 -1.090 -0.872
C4 2.239 -0.569 0.000
H5 0.259 -1.533 0.000
C6 0.747 -0.575 0.000
H7 0.433 1.491 0.000
C8 0.000 0.510 0.000
N9 -2.555 0.417 0.000
C10 -1.432 0.445 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.75891.75891.08123.08692.14282.44192.63635.18994.0669
H21.75891.74451.08432.55242.12653.49183.18865.45654.4165
H31.75891.74451.08432.55242.12653.49183.18865.45654.4165
C41.08121.08431.08432.20201.49182.73922.48484.89343.8076
H53.08692.55242.55242.20201.07503.02912.05953.42362.6023
C62.14282.12652.12651.49181.07502.08991.31733.44732.4055
H72.44193.49183.49182.73923.02912.08991.07213.17412.1375
C82.63633.18863.18862.48482.05951.31731.07212.55621.4331
N95.18995.45655.45654.89343.42363.44733.17412.55621.1233
C104.06694.41654.41653.80762.60232.40552.13751.43311.1233

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 108.636 H1 C4 H3 108.636
H1 C4 C6 111.787 H2 C4 H3 107.110
H2 C4 C6 110.267 H3 C4 C6 110.267
C4 C6 H5 117.238 C4 C6 C8 124.278
H5 C6 C8 118.484 C6 C8 H7 121.674
C6 C8 C10 121.941 H7 C8 C10 116.386
C8 C10 N9 178.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.067      
2 H 0.075      
3 H 0.075      
4 C -0.132      
5 H 0.084      
6 C 0.004      
7 H 0.084      
8 C -0.007      
9 N -0.136      
10 C -0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.991 -0.641 0.000 5.032
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.722 0.793 0.000
y 0.793 -27.411 0.000
z 0.000 0.000 -31.296
Traceless
 xyz
x -10.368 0.793 0.000
y 0.793 8.097 0.000
z 0.000 0.000 2.271
Polar
3z2-r24.542
x2-y2-12.310
xy0.793
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.693 -1.648 0.000
y -1.648 6.804 0.000
z 0.000 0.000 4.999


<r2> (average value of r2) Å2
<r2> 150.060
(<r2>)1/2 12.250