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

using model chemistry: HF/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-208.834984
Energy at 298.15K-208.839697
Nuclear repulsion energy138.956672
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/aug-cc-pVDZ
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 3053 4.44      
2 A' 3326 3029 6.42      
3 A' 3264 2972 17.87      
4 A' 3171 2888 19.79      
5 A' 2570 2340 61.73      
6 A' 1853 1687 29.99      
7 A' 1580 1439 15.91      
8 A' 1520 1384 1.38      
9 A' 1428 1301 3.36      
10 A' 1409 1283 1.43      
11 A' 1213 1105 0.08      
12 A' 1088 991 6.00      
13 A' 968 882 4.31      
14 A' 604 550 0.34      
15 A' 425 387 2.29      
16 A' 194 177 5.72      
17 A" 3232 2943 16.83      
18 A" 1572 1431 7.81      
19 A" 1170 1066 4.31      
20 A" 1072 976 44.37      
21 A" 883 804 4.27      
22 A" 543 494 5.57      
23 A" 214 195 1.25      
24 A" 191 174 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 18420.7 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 16773.9 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/aug-cc-pVDZ
ABC
1.28762 0.07690 0.07355

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.651 0.448 0.000
H2 2.633 -1.091 0.879
H3 2.633 -1.091 -0.879
C4 2.256 -0.566 0.000
H5 0.276 -1.544 0.000
C6 0.758 -0.574 0.000
H7 0.423 1.509 0.000
C8 0.000 0.515 0.000
N9 -2.579 0.408 0.000
C10 -1.441 0.444 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77201.77201.08823.10012.15112.46772.65195.23024.0923
H21.77201.75831.09102.55632.13393.52333.20685.49394.4414
H31.77201.75831.09102.55632.13393.52333.20685.49394.4414
C41.08821.09101.09102.20851.49752.76832.50154.93193.8325
H53.10012.55632.55632.20851.08343.05682.07803.45872.6270
C62.15112.13392.13391.49751.08342.11001.32753.47892.4238
H72.46773.52333.52332.76833.05682.11001.08003.19752.1471
C82.65193.20683.20682.50152.07801.32751.08002.58121.4430
N95.23025.49395.49394.93193.45873.47893.19752.58121.1383
C104.09234.44144.44143.83252.62702.42382.14711.44301.1383

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 108.811 H1 C4 H3 108.811
H1 C4 C6 111.619 H2 C4 H3 107.371
H2 C4 C6 110.059 H3 C4 C6 110.059
C4 C6 H5 116.768 C4 C6 C8 124.518
H5 C6 C8 118.715 C6 C8 H7 122.097
C6 C8 C10 122.005 H7 C8 C10 115.898
C8 C10 N9 178.957
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.113      
2 H 0.087      
3 H 0.087      
4 C 0.331      
5 H -0.404      
6 C 0.079      
7 H -0.444      
8 C 1.446      
9 N -0.215      
10 C -0.856      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.060 -0.648 0.000 5.102
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.983 0.794 0.000
y 0.794 -27.497 0.000
z 0.000 0.000 -31.569
Traceless
 xyz
x -10.450 0.794 0.000
y 0.794 8.279 0.000
z 0.000 0.000 2.171
Polar
3z2-r24.342
x2-y2-12.486
xy0.794
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> 151.401
(<r2>)1/2 12.305