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

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-210.075597
Energy at 298.15K-210.080166
HF Energy-210.075597
Nuclear repulsion energy 
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 wB97X-D/6-31G*
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' 3243 3076 3.67      
2 A' 3205 3040 10.46      
3 A' 3172 3009 2.80      
4 A' 3066 2908 10.14      
5 A' 2390 2267 19.11      
6 A' 1744 1654 16.77      
7 A' 1517 1439 16.17      
8 A' 1460 1385 6.79      
9 A' 1422 1349 2.28      
10 A' 1280 1214 0.38      
11 A' 1147 1088 0.49      
12 A' 983 932 14.21      
13 A' 921 874 1.53      
14 A' 676 641 1.94      
15 A' 411 390 0.13      
16 A' 166 157 4.80      
17 A" 3130 2968 10.71      
18 A" 1516 1438 10.21      
19 A" 1091 1035 0.07      
20 A" 1003 951 0.40      
21 A" 763 724 42.87      
22 A" 539 511 2.04      
23 A" 294 279 3.30      
24 A" 141 134 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 17639.6 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 16731.1 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 wB97X-D/6-31G*
ABC
0.39839 0.11639 0.09161

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.216 0.243 0.000
N2 -2.209 -0.356 0.000
C3 0.000 0.997 0.000
H4 -0.105 2.077 0.000
C5 1.207 0.418 0.000
H6 2.072 1.077 0.000
C7 1.477 -1.052 0.000
H8 0.554 -1.637 0.000
H9 2.067 -1.329 0.881
H10 2.067 -1.329 -0.881

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.15911.43102.14452.42923.39242.98762.58183.74523.7452
N21.15912.59003.21603.50204.51433.75053.04514.47304.4730
C31.43102.59001.08521.33862.07362.52542.69173.23413.2341
H42.14453.21601.08522.11552.39593.50603.77234.13484.1348
C52.42923.50201.33862.11551.08801.49402.15622.13702.1370
H63.39244.51432.07362.39591.08802.21093.11042.56242.5624
C72.98763.75052.52543.50601.49402.21091.09301.09621.0962
H82.58183.04512.69173.77232.15623.11041.09301.77831.7783
H93.74524.47303.23414.13482.13702.56241.09621.77831.7617
H103.74524.47303.23414.13482.13702.56241.09621.77831.7617

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 116.240 C1 C3 C5 122.548
N2 C1 C3 179.272 C3 C5 H6 117.034
C3 C5 C7 126.044 H4 C3 C5 121.212
C5 C7 H8 111.982 C5 C7 H9 110.238
C5 C7 H10 110.238 H6 C5 C7 116.922
H8 C7 H9 108.645 H8 C7 H10 108.645
H9 C7 H10 106.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.302      
2 N -0.466      
3 C -0.194      
4 H 0.217      
5 C -0.085      
6 H 0.186      
7 C -0.558      
8 H 0.208      
9 H 0.195      
10 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.038 1.250 0.000 4.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.588 -2.539 0.000
y -2.539 -26.749 0.000
z 0.000 0.000 -30.366
Traceless
 xyz
x -6.030 -2.539 0.000
y -2.539 5.728 0.000
z 0.000 0.000 0.302
Polar
3z2-r20.604
x2-y2-7.839
xy-2.539
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.818 -0.023 0.000
y -0.023 6.230 0.000
z 0.000 0.000 3.654


<r2> (average value of r2) Å2
<r2> 125.319
(<r2>)1/2 11.195