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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-210.097629
Energy at 298.15K-210.102079
Nuclear repulsion energy138.934201
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 B1B95/6-311G*
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' 3183 3052 11.96      
2 A' 3176 3044 4.10      
3 A' 3139 3009 12.48      
4 A' 3046 2920 13.79      
5 A' 2359 2261 22.81      
6 A' 1727 1655 23.52      
7 A' 1498 1436 20.65      
8 A' 1420 1361 3.76      
9 A' 1338 1282 1.15      
10 A' 1317 1262 0.58      
11 A' 1143 1096 0.04      
12 A' 1054 1010 7.24      
13 A' 916 878 7.56      
14 A' 568 544 0.03      
15 A' 397 381 1.50      
16 A' 177 169 3.90      
17 A" 3101 2973 12.62      
18 A" 1488 1427 11.26      
19 A" 1069 1024 0.57      
20 A" 990 949 45.52      
21 A" 806 772 1.56      
22 A" 505 484 4.95      
23 A" 199 191 1.71      
24 A" 175 167 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 17392.5 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 16672.5 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 B1B95/6-311G*
ABC
1.29540 0.07704 0.07370

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.651 0.410 0.000
H2 2.623 -1.129 0.875
H3 2.623 -1.129 -0.875
C4 2.238 -0.599 0.000
H5 0.256 -1.562 0.000
C6 0.753 -0.595 0.000
H7 0.453 1.494 0.000
C8 0.000 0.507 0.000
N9 -2.575 0.459 0.000
C10 -1.421 0.471 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77061.77061.08993.10192.14782.45022.65245.22574.0717
H21.77061.75081.09342.56072.13303.51473.21315.50514.4358
H31.77061.75081.09342.56072.13303.51473.21315.50514.4358
C41.08991.09341.09342.20361.48532.75032.49644.92773.8117
H53.10192.56072.56072.20361.08653.06192.08493.47792.6347
C62.14782.13302.13301.48531.08652.11051.33513.49052.4207
H72.45023.51473.51472.75033.06192.11051.08553.20012.1350
C82.65243.21313.21312.49642.08491.33511.08552.57541.4212
N95.22575.50515.50514.92773.47793.49053.20012.57541.1543
C104.07174.43584.43583.81172.63472.42072.13501.42121.1543

picture of (E)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H2 108.380 H1 C4 H3 108.380
H1 C4 C6 112.117 H2 C4 H3 106.371
H2 C4 C6 110.692 H3 C4 C6 110.692
C4 C6 H5 117.072 C4 C6 C8 124.442
H5 C6 C8 118.486 C6 C8 H7 121.014
C6 C8 C10 122.830 H7 C8 C10 116.156
C8 C10 N9 179.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.234      
2 H 0.245      
3 H 0.245      
4 C -0.686      
5 H 0.232      
6 C -0.129      
7 H 0.243      
8 C -0.218      
9 N -0.260      
10 C 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.584 -0.650 0.000 4.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.061 0.905 0.000
y 0.905 -27.070 0.000
z 0.000 0.000 -30.844
Traceless
 xyz
x -9.105 0.905 0.000
y 0.905 7.383 0.000
z 0.000 0.000 1.722
Polar
3z2-r23.443
x2-y2-10.992
xy0.905
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.046 -1.758 0.000
y -1.758 6.476 0.000
z 0.000 0.000 4.135


<r2> (average value of r2) Å2
<r2> 150.441
(<r2>)1/2 12.265