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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-210.068290
Energy at 298.15K-210.072838
Nuclear repulsion energy141.554533
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 B3PW91/6-31G*
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 3214 3075 4.67      
2 A 3186 3048 10.19      
3 A 3159 3023 1.91      
4 A 3052 2920 9.31      
5 A 2350 2248 17.62      
6 A 1715 1641 16.40      
7 A 1504 1439 16.78      
8 A 1447 1384 6.68      
9 A 1412 1350 2.89      
10 A 1271 1216 0.37      
11 A 1134 1085 0.41      
12 A 981 938 15.09      
13 A 919 879 2.09      
14 A 669 640 2.03      
15 A 398 381 0.15      
16 A 159 152 4.65      
17 A 3110 2975 9.90      
18 A 1502 1437 9.92      
19 A 1073 1027 0.03      
20 A 988 945 0.59      
21 A 756 723 41.06      
22 A 536 513 2.08      
23 A 291 278 3.36      
24 A 156 149 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 17490.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 16733.4 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 B3PW91/6-31G*
ABC
0.40361 0.11481 0.09089

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.221 0.250 0.000
N2 -2.226 -0.338 0.000
C3 0.000 0.989 0.000
H4 -0.099 2.071 0.000
C5 1.212 0.408 0.000
H6 2.077 1.070 0.000
C7 1.488 -1.057 0.000
H8 0.569 -1.649 0.000
H9 2.083 -1.334 0.880
H10 2.083 -1.334 -0.880

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16441.42692.13872.43763.39823.00732.60893.76793.7679
N21.16442.59133.21333.51774.52753.78293.08694.50934.5093
C31.42692.59131.08711.34342.07852.52932.69793.24143.2414
H42.13873.21331.08712.11762.39563.50763.77934.13904.1390
C52.43763.51771.34342.11761.08941.49082.15512.13742.1374
H63.39824.52752.07852.39561.08942.20693.10912.56002.5600
C73.00733.78292.52933.50761.49082.20691.09331.09771.0977
H82.60893.08692.69793.77932.15513.10911.09331.77941.7794
H93.76794.50933.24144.13902.13742.56001.09771.77941.7597
H103.76794.50933.24144.13902.13742.56001.09771.77941.7597

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 115.926 C1 C3 C5 123.229
N2 C1 C3 179.131 C3 C5 H6 116.997
C3 C5 C7 126.270 H4 C3 C5 120.844
C5 C7 H8 112.100 C5 C7 H9 110.397
C5 C7 H10 110.397 H6 C5 C7 116.734
H8 C7 H9 108.607 H8 C7 H10 108.607
H9 C7 H10 106.550
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.326     0.532
2 N -0.491     -0.489
3 C -0.185     -0.545
4 H 0.212     0.233
5 C -0.082     0.166
6 H 0.184     0.091
7 C -0.572     -0.375
8 H 0.212     0.141
9 H 0.198     0.123
10 H 0.198     0.123


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.039 1.167 0.000 4.204
CHELPG        
AIM        
ESP 4.038 1.163 0.000 4.202


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.592 -2.456 0.000
y -2.456 -26.671 0.000
z 0.000 0.000 -30.340
Traceless
 xyz
x -6.086 -2.456 0.000
y -2.456 5.795 0.000
z 0.000 0.000 0.291
Polar
3z2-r20.583
x2-y2-7.921
xy-2.456
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> 126.113
(<r2>)1/2 11.230