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

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-210.084677
Energy at 298.15K-210.089082
Nuclear repulsion energy140.107996
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 BLYP/6-31+G**
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 3109 3093 7.15      
2 A 3085 3069 10.72      
3 A 3055 3039 2.87      
4 A 2955 2940 11.94      
5 A 2218 2207 17.94      
6 A 1619 1611 14.11      
7 A 1448 1440 19.66      
8 A 1389 1382 7.06      
9 A 1364 1357 2.59      
10 A 1232 1225 0.67      
11 A 1091 1086 0.32      
12 A 943 938 15.37      
13 A 873 868 3.10      
14 A 646 642 1.12      
15 A 378 376 0.14      
16 A 152 151 4.42      
17 A 2998 2983 10.75      
18 A 1447 1439 9.49      
19 A 1031 1026 0.61      
20 A 946 941 0.62      
21 A 726 722 38.37      
22 A 510 507 3.59      
23 A 279 277 2.70      
24 A 143 142 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 16818.2 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 16729.1 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 BLYP/6-31+G**
ABC
0.40201 0.11114 0.08851

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.235 0.259 0.000
N2 -2.265 -0.315 0.000
C3 0.000 0.987 0.000
H4 -0.093 2.077 0.000
C5 1.226 0.401 0.000
H6 2.093 1.072 0.000
C7 1.514 -1.075 0.000
H8 0.595 -1.679 0.000
H9 2.116 -1.350 0.884
H10 2.116 -1.350 -0.884

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17831.43432.14782.46523.42593.05542.66573.82103.8210
N21.17832.61243.23093.56304.57263.85393.16854.58724.5872
C31.43432.61241.09391.35862.09442.55832.73253.27443.2744
H42.14783.23091.09392.13272.40603.53833.81944.17224.1722
C52.46523.56301.35862.13271.09601.50432.17432.15432.1543
H63.42594.57262.09442.40601.09602.22373.13252.57812.5781
C73.05543.85392.55833.53831.50432.22371.09961.10471.1047
H82.66573.16852.73253.81942.17433.13251.09961.79001.7900
H93.82104.58723.27444.17222.15432.57811.10471.79001.7688
H103.82104.58723.27444.17222.15432.57811.10471.79001.7688

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 115.660 C1 C3 C5 123.905
N2 C1 C3 178.586 C3 C5 H6 116.729
C3 C5 C7 126.588 H4 C3 C5 120.435
C5 C7 H8 112.308 C5 C7 H9 110.386
C5 C7 H10 110.386 H6 C5 C7 116.683
H8 C7 H9 108.595 H8 C7 H10 108.595
H9 C7 H10 106.368
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.033      
2 N -0.516      
3 C 0.197      
4 H 0.153      
5 C 0.093      
6 H 0.133      
7 C -0.603      
8 H 0.175      
9 H 0.167      
10 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.215 1.093 0.000 4.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.524 -2.603 0.000
y -2.603 -27.953 0.000
z 0.000 0.000 -31.598
Traceless
 xyz
x -6.748 -2.603 0.000
y -2.603 6.108 0.000
z 0.000 0.000 0.640
Polar
3z2-r21.280
x2-y2-8.571
xy-2.603
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> 129.853
(<r2>)1/2 11.395