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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-210.233415
Energy at 298.15K-210.237881
Nuclear repulsion energy138.813349
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/cc-pVTZ
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' 3161 3055 7.75      
2 A' 3151 3046 2.86      
3 A' 3106 3002 11.46      
4 A' 3022 2921 11.42      
5 A' 2333 2255 24.30      
6 A' 1701 1644 23.06      
7 A' 1486 1436 17.95      
8 A' 1415 1368 2.14      
9 A' 1338 1294 1.04      
10 A' 1319 1275 1.21      
11 A' 1135 1097 0.07      
12 A' 1039 1004 7.11      
13 A' 912 881 7.46      
14 A' 564 545 0.07      
15 A' 398 384 1.58      
16 A' 177 171 4.18      
17 A" 3064 2962 9.75      
18 A" 1476 1427 8.19      
19 A" 1075 1039 0.88      
20 A" 992 959 40.05      
21 A" 817 790 1.25      
22 A" 497 480 4.35      
23 A" 200 194 1.56      
24 A" 174 168 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 17275.5 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 16698.5 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 B3LYP/cc-pVTZ
ABC
1.30385 0.07673 0.07344

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.656 0.400 0.000
H2 2.622 -1.139 0.875
H3 2.622 -1.139 -0.875
C4 2.242 -0.607 0.000
H5 0.256 -1.564 0.000
C6 0.752 -0.599 0.000
H7 0.453 1.489 0.000
C8 0.000 0.504 0.000
N9 -2.576 0.474 0.000
C10 -1.423 0.474 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77151.77151.08913.10072.14992.45672.65785.23274.0795
H21.77151.75071.09292.55842.13483.51853.21665.51344.4426
H31.77151.75071.09292.55842.13483.51853.21665.51344.4426
C41.08911.09291.09292.20401.48992.75542.50234.93813.8212
H53.10072.55842.55842.20401.08473.05882.08383.48922.6405
C62.14992.13482.13481.48991.08472.10891.33513.49692.4254
H72.45673.51853.51852.75543.05882.10891.08383.19542.1333
C82.65783.21663.21662.50232.08381.33511.08382.57661.4234
N95.23275.51345.51344.93813.48923.49693.19542.57661.1533
C104.07954.44264.44263.82122.64052.42542.13331.42341.1533

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 108.558 H1 C4 H3 108.558
H1 C4 C6 112.008 H2 C4 H3 106.437
H2 C4 C6 110.545 H3 C4 C6 110.545
C4 C6 H5 116.875 C4 C6 C8 124.603
H5 C6 C8 118.522 C6 C8 H7 120.991
C6 C8 C10 123.062 H7 C8 C10 115.947
C8 C10 N9 178.804
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.100     0.082
2 H 0.111     0.086
3 H 0.111     0.086
4 C -0.266     -0.213
5 H 0.136     0.101
6 C -0.071     0.086
7 H 0.140     0.219
8 C -0.114     -0.405
9 N -0.085     -0.471
10 C -0.062     0.430


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.683 -0.682 0.000 4.732
CHELPG        
AIM        
ESP 4.704 -0.668 0.000 4.751


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.716 0.984 0.000
y 0.984 -27.569 0.000
z 0.000 0.000 -30.975
Traceless
 xyz
x -9.444 0.984 0.000
y 0.984 7.276 0.000
z 0.000 0.000 2.168
Polar
3z2-r24.336
x2-y2-11.147
xy0.984
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.611 -1.790 0.000
y -1.790 6.979 0.000
z 0.000 0.000 4.836


<r2> (average value of r2) Å2
<r2> 151.255
(<r2>)1/2 12.299