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

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-210.119508
Energy at 298.15K-210.124052
Nuclear repulsion energy141.684883
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 mPW1PW91/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 3219 3085 3.02      
2 A 3190 3057 7.41      
3 A 3165 3033 1.54      
4 A 3053 2925 8.24      
5 A 2350 2252 23.28      
6 A 1715 1644 19.15      
7 A 1458 1397 15.64      
8 A 1418 1359 6.29      
9 A 1377 1320 5.37      
10 A 1256 1204 0.55      
11 A 1122 1075 0.03      
12 A 974 934 15.74      
13 A 922 883 2.55      
14 A 668 640 1.97      
15 A 394 378 0.15      
16 A 155 149 5.04      
17 A 3118 2988 6.99      
18 A 1452 1391 8.24      
19 A 1055 1011 0.71      
20 A 979 938 1.02      
21 A 750 719 38.03      
22 A 527 505 2.87      
23 A 287 276 2.75      
24 A 148 141 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 17376.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 16651.4 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 mPW1PW91/aug-cc-pVDZ
ABC
0.40372 0.11525 0.09117

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.220 0.248 0.000
N2 -2.221 -0.342 0.000
C3 0.000 0.989 0.000
H4 -0.101 2.074 0.000
C5 1.210 0.408 0.000
H6 2.077 1.073 0.000
C7 1.484 -1.054 0.000
H8 0.562 -1.645 0.000
H9 2.081 -1.328 0.881
H10 2.081 -1.328 -0.881

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16191.42762.14222.43553.39883.00072.59973.76233.7623
N21.16192.58953.21453.51264.52533.77303.07374.50134.5013
C31.42762.58951.08971.34282.07902.52522.69373.23673.2367
H42.14223.21451.08972.12052.39733.50673.77804.13654.1365
C52.43553.51261.34282.12051.09251.48712.15282.13222.1322
H63.39884.52532.07902.39731.09252.20803.11162.55692.5569
C73.00073.77302.52523.50671.48712.20801.09491.09911.0991
H82.59973.07372.69373.77802.15283.11161.09491.78461.7846
H93.76234.50133.23674.13652.13222.55691.09911.78461.7621
H103.76234.50133.23674.13652.13222.55691.09911.78461.7621

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 115.993 C1 C3 C5 123.043
N2 C1 C3 179.170 C3 C5 H6 116.854
C3 C5 C7 126.254 H4 C3 C5 120.964
C5 C7 H8 112.081 C5 C7 H9 110.160
C5 C7 H10 110.160 H6 C5 C7 116.892
H8 C7 H9 108.853 H8 C7 H10 108.853
H9 C7 H10 106.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.356      
2 N -0.307      
3 C 1.026      
4 H -0.469      
5 C 0.564      
6 H -0.520      
7 C 0.198      
8 H -0.141      
9 H 0.003      
10 H 0.003      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.203 1.168 0.000 4.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.586 -2.623 0.000
y -2.623 -27.357 0.000
z 0.000 0.000 -31.072
Traceless
 xyz
x -6.371 -2.623 0.000
y -2.623 5.972 0.000
z 0.000 0.000 0.399
Polar
3z2-r20.799
x2-y2-8.229
xy-2.623
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.334 -0.125 0.000
y -0.125 7.653 0.000
z 0.000 0.000 5.662


<r2> (average value of r2) Å2
<r2> 126.305
(<r2>)1/2 11.239