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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-210.114369
Energy at 298.15K-210.118792
Nuclear repulsion energy136.916417
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 B3LYP/SDD
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' 3198 3075 13.59      
2 A' 3184 3061 11.86      
3 A' 3145 3024 16.18      
4 A' 3035 2918 16.79      
5 A' 2255 2168 31.57      
6 A' 1698 1633 21.42      
7 A' 1509 1451 25.14      
8 A' 1443 1387 12.45      
9 A' 1339 1287 2.13      
10 A' 1325 1274 0.01      
11 A' 1147 1103 0.56      
12 A' 1047 1007 9.71      
13 A' 919 883 9.43      
14 A' 560 538 0.34      
15 A' 396 380 0.87      
16 A' 178 172 2.71      
17 A" 3105 2985 20.51      
18 A" 1502 1444 16.86      
19 A" 1090 1047 0.01      
20 A" 1005 967 68.69      
21 A" 838 806 0.19      
22 A" 496 477 2.18      
23 A" 184 177 2.11      
24 A" 176 169 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17387.8 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 16714.9 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 B3LYP/SDD
ABC
1.27695 0.07458 0.07140

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.682 0.405 0.000
H2 2.658 -1.141 0.882
H3 2.658 -1.141 -0.882
C4 2.272 -0.611 0.000
H5 0.273 -1.582 0.000
C6 0.767 -0.610 0.000
H7 0.457 1.498 0.000
C8 0.000 0.510 0.000
N9 -2.621 0.478 0.000
C10 -1.436 0.479 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.78041.78041.09543.12342.16792.47932.68445.30344.1191
H21.78041.76431.09922.58062.15333.54773.25065.59104.4902
H31.78041.76431.09922.58062.15333.54773.25065.59104.4902
C41.09541.09921.09922.22291.50562.78232.53345.01253.8651
H53.12342.58062.58062.22291.09093.08582.10983.55232.6779
C62.16792.15332.15331.50561.09092.13021.35673.55762.4571
H72.47933.54773.54772.78233.08582.13021.08873.24192.1497
C82.68443.25063.25062.53342.10981.35671.08872.62081.4364
N95.30345.59105.59105.01253.55233.55763.24192.62081.1845
C104.11914.49024.49023.86512.67792.45712.14971.43641.1845

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 108.438 H1 C4 H3 108.438
H1 C4 C6 111.950 H2 C4 H3 106.750
H2 C4 C6 110.545 H3 C4 C6 110.545
C4 C6 H5 116.868 C4 C6 C8 124.445
H5 C6 C8 118.687 C6 C8 H7 120.781
C6 C8 C10 123.189 H7 C8 C10 116.030
C8 C10 N9 178.826
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.215      
2 H 0.223      
3 H 0.223      
4 C -0.667      
5 H 0.235      
6 C -0.070      
7 H 0.244      
8 C -0.210      
9 N -0.020      
10 C -0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.826 -0.734 0.000 4.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.806 0.990 0.000
y 0.990 -26.969 0.000
z 0.000 0.000 -31.047
Traceless
 xyz
x -9.798 0.990 0.000
y 0.990 7.958 0.000
z 0.000 0.000 1.840
Polar
3z2-r23.680
x2-y2-11.837
xy0.990
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.910 -1.933 0.000
y -1.933 6.189 0.000
z 0.000 0.000 3.794


<r2> (average value of r2) Å2
<r2> 154.788
(<r2>)1/2 12.441