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

using model chemistry: B3PW91/6-31+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 B3PW91/6-31+G**
 hartrees
Energy at 0K-210.082041
Energy at 298.15K-210.086570
Nuclear repulsion energy141.500767
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 B3PW91/6-31+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 3205 3078 3.58      
2 A 3178 3051 8.96      
3 A 3155 3029 1.28      
4 A 3046 2925 8.79      
5 A 2339 2246 24.33      
6 A 1703 1635 17.96      
7 A 1480 1421 19.58      
8 A 1428 1371 7.71      
9 A 1394 1338 4.53      
10 A 1261 1211 0.67      
11 A 1125 1080 0.16      
12 A 974 936 15.93      
13 A 914 877 2.71      
14 A 666 639 1.70      
15 A 394 378 0.16      
16 A 156 150 4.56      
17 A 3108 2984 7.10      
18 A 1478 1419 10.94      
19 A 1063 1021 0.53      
20 A 985 945 0.82      
21 A 754 724 44.10      
22 A 531 510 3.79      
23 A 288 277 2.67      
24 A 147 141 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 17386.0 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 16692.3 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 B3PW91/6-31+G**
ABC
0.40480 0.11441 0.09070

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.222 0.251 0.000
N2 -2.230 -0.333 0.000
C3 0.000 0.987 0.000
H4 -0.099 2.070 0.000
C5 1.213 0.406 0.000
H6 2.076 1.070 0.000
C7 1.491 -1.058 0.000
H8 0.574 -1.652 0.000
H9 2.087 -1.332 0.879
H10 2.087 -1.332 -0.879

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16461.42712.13812.44003.39893.01232.61713.77183.7718
N21.16462.59163.21193.52124.52923.79093.09924.51724.5172
C31.42712.59161.08731.34472.07782.53062.70103.24083.2408
H42.13813.21191.08732.11872.39373.50853.78244.13744.1374
C52.44003.52121.34472.11871.08961.48992.15482.13422.1342
H63.39894.52922.07782.39371.08962.20723.10932.55762.5576
C73.01233.79092.53063.50851.48992.20721.09231.09671.0967
H82.61713.09922.70103.78242.15483.10931.09231.77851.7785
H93.77184.51723.24084.13742.13422.55761.09671.77851.7581
H103.77184.51723.24084.13742.13422.55761.09671.77851.7581

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 115.843 C1 C3 C5 123.330
N2 C1 C3 179.026 C3 C5 H6 116.814
C3 C5 C7 126.368 H4 C3 C5 120.826
C5 C7 H8 112.203 C5 C7 H9 110.275
C5 C7 H10 110.275 H6 C5 C7 116.818
H8 C7 H9 108.674 H8 C7 H10 108.674
H9 C7 H10 106.559
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 N -0.470      
3 C 0.271      
4 H 0.190      
5 C 0.012      
6 H 0.168      
7 C -0.621      
8 H 0.194      
9 H 0.185      
10 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.249 1.156 0.000 4.403
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.619 -2.608 0.000
y -2.608 -27.270 0.000
z 0.000 0.000 -31.131
Traceless
 xyz
x -6.418 -2.608 0.000
y -2.608 6.105 0.000
z 0.000 0.000 0.314
Polar
3z2-r20.627
x2-y2-8.349
xy-2.608
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> 126.824
(<r2>)1/2 11.262