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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-210.066440
Energy at 298.15K-210.070895
Nuclear repulsion energy138.348815
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/cc-pVDZ
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' 3191 3067 6.18      
2 A' 3183 3060 4.96      
3 A' 3155 3032 6.60      
4 A' 3048 2929 11.16      
5 A' 2362 2271 22.26      
6 A' 1732 1664 23.65      
7 A' 1451 1395 17.71      
8 A' 1386 1333 1.47      
9 A' 1314 1263 0.58      
10 A' 1286 1236 1.02      
11 A' 1138 1093 0.37      
12 A' 1056 1015 7.99      
13 A' 909 873 9.18      
14 A' 562 540 0.00      
15 A' 397 381 1.52      
16 A' 176 169 3.28      
17 A" 3115 2994 6.42      
18 A" 1441 1385 8.81      
19 A" 1052 1011 0.51      
20 A" 984 946 34.88      
21 A" 802 771 1.08      
22 A" 501 481 3.95      
23 A" 208 200 1.96      
24 A" 175 168 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 17310.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 16638.8 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/cc-pVDZ
ABC
1.27844 0.07653 0.07319

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.657 0.425 0.000
H2 2.633 -1.128 0.881
H3 2.633 -1.128 -0.881
C4 2.246 -0.593 0.000
H5 0.260 -1.566 0.000
C6 0.760 -0.593 0.000
H7 0.451 1.507 0.000
C8 0.000 0.512 0.000
N9 -2.588 0.447 0.000
C10 -1.425 0.467 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.78491.78491.09723.11592.15302.45762.65895.24564.0830
H21.78491.76211.10092.56882.13753.53213.22405.52384.4480
H31.78491.76211.10092.56882.13753.53213.22405.52384.4480
C41.09721.10091.10092.21161.48592.76212.50274.94463.8209
H53.11592.56882.56882.21161.09373.07832.09353.48752.6399
C62.15302.13752.13751.48591.09372.12241.34093.50602.4286
H72.45763.53213.53212.76213.07832.12241.09253.21842.1454
C82.65893.22403.22402.50272.09351.34091.09252.58891.4260
N95.24565.52385.52384.94463.48753.50603.21842.58891.1629
C104.08304.44804.44803.82092.63992.42862.14541.42601.1629

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 108.583 H1 C4 H3 108.583
H1 C4 C6 112.045 H2 C4 H3 106.312
H2 C4 C6 110.561 H3 C4 C6 110.561
C4 C6 H5 117.228 C4 C6 C8 124.513
H5 C6 C8 118.259 C6 C8 H7 121.093
C6 C8 C10 122.708 H7 C8 C10 116.199
C8 C10 N9 179.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.039      
2 H 0.063      
3 H 0.063      
4 C -0.001      
5 H 0.025      
6 C -0.052      
7 H 0.040      
8 C -0.008      
9 N -0.125      
10 C -0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.471 -0.636 0.000 4.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.226 0.699 0.000
y 0.699 -27.036 0.000
z 0.000 0.000 -30.497
Traceless
 xyz
x -8.460 0.699 0.000
y 0.699 6.825 0.000
z 0.000 0.000 1.634
Polar
3z2-r23.269
x2-y2-10.190
xy0.699
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.982 -1.705 0.000
y -1.705 6.464 0.000
z 0.000 0.000 3.961


<r2> (average value of r2) Å2
<r2> 151.220
(<r2>)1/2 12.297