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

using model chemistry: B1B95/6-31+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 B1B95/6-31+G**
 hartrees
Energy at 0K-210.066343
Energy at 298.15K-210.070871
Nuclear repulsion energy141.857311
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 B1B95/6-31+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 3222 3083 3.27      
2 A 3192 3054 8.69      
3 A 3163 3026 1.88      
4 A 3057 2924 8.36      
5 A 2354 2252 23.31      
6 A 1712 1638 17.79      
7 A 1480 1416 18.80      
8 A 1426 1365 7.60      
9 A 1390 1329 4.20      
10 A 1256 1202 0.60      
11 A 1124 1075 0.11      
12 A 973 931 15.37      
13 A 918 878 2.71      
14 A 665 636 1.68      
15 A 393 376 0.15      
16 A 155 148 4.49      
17 A 3120 2985 6.96      
18 A 1476 1412 10.61      
19 A 1062 1015 0.58      
20 A 983 941 0.89      
21 A 751 719 42.78      
22 A 530 507 3.82      
23 A 287 275 2.64      
24 A 151 144 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 17420.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 16664.4 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 B1B95/6-31+G**
ABC
0.40368 0.11566 0.09142

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.217 0.246 0.000
N2 -2.218 -0.345 0.000
C3 0.000 0.990 0.000
H4 -0.103 2.070 0.000
C5 1.210 0.411 0.000
H6 2.073 1.072 0.000
C7 1.481 -1.052 0.000
H8 0.561 -1.638 0.000
H9 2.074 -1.329 0.878
H10 2.074 -1.329 -0.878

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16251.42632.13692.43263.39222.99382.59023.75203.7520
N21.16252.58883.20973.51064.51923.76623.06544.48984.4898
C31.42632.58881.08471.34172.07482.52242.68703.23233.2323
H42.13693.20971.08472.11612.39423.50073.76664.13044.1304
C52.43263.51061.34172.11611.08731.48742.14892.13122.1312
H63.39224.51922.07482.39421.08732.20503.10332.55652.5565
C72.99383.76622.52243.50071.48742.20501.09081.09471.0947
H82.59023.06542.68703.76662.14893.10331.09081.77591.7759
H93.75204.48983.23234.13042.13122.55651.09471.77591.7555
H103.75204.48983.23234.13042.13122.55651.09471.77591.7555

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 115.981 C1 C3 C5 122.975
N2 C1 C3 179.085 C3 C5 H6 116.950
C3 C5 C7 126.071 H4 C3 C5 121.045
C5 C7 H8 112.003 C5 C7 H9 110.331
C5 C7 H10 110.331 H6 C5 C7 116.978
H8 C7 H9 108.697 H8 C7 H10 108.697
H9 C7 H10 106.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 N -0.470      
3 C 0.219      
4 H 0.186      
5 C 0.022      
6 H 0.163      
7 C -0.618      
8 H 0.188      
9 H 0.181      
10 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.193 1.177 0.000 4.355
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.559 -2.628 0.000
y -2.628 -27.368 0.000
z 0.000 0.000 -31.128
Traceless
 xyz
x -6.310 -2.628 0.000
y -2.628 5.975 0.000
z 0.000 0.000 0.336
Polar
3z2-r20.671
x2-y2-8.190
xy-2.628
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.009 0.006 0.000
y 0.006 7.041 0.000
z 0.000 0.000 4.929


<r2> (average value of r2) Å2
<r2> 125.994
(<r2>)1/2 11.225