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

using model chemistry: B3LYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-210.153881
Energy at 298.15K-210.158311
Nuclear repulsion energy138.092498
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/6-31G*
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' 3186 3059 10.15      
2 A' 3177 3051 3.96      
3 A' 3131 3007 12.23      
4 A' 3041 2920 14.06      
5 A' 2345 2252 21.80      
6 A' 1717 1649 20.71      
7 A' 1513 1453 15.62      
8 A' 1440 1383 1.11      
9 A' 1345 1291 0.76      
10 A' 1328 1275 0.80      
11 A' 1143 1098 0.20      
12 A' 1048 1006 6.00      
13 A' 920 884 6.92      
14 A' 560 538 0.05      
15 A' 396 381 1.50      
16 A' 177 170 4.20      
17 A" 3090 2967 12.98      
18 A" 1504 1444 8.14      
19 A" 1080 1037 0.10      
20 A" 995 956 33.94      
21 A" 808 776 1.52      
22 A" 501 481 5.72      
23 A" 202 194 1.75      
24 A" 174 168 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 17411.0 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 16719.8 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 B3LYP/6-31G*
ABC
1.28453 0.07605 0.07276

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.664 0.411 0.000
H2 2.639 -1.134 0.880
H3 2.639 -1.134 -0.880
C4 2.253 -0.603 0.000
H5 0.262 -1.570 0.000
C6 0.757 -0.600 0.000
H7 0.455 1.498 0.000
C8 0.000 0.510 0.000
N9 -2.592 0.464 0.000
C10 -1.428 0.473 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77841.77841.09423.11322.15802.46242.66565.25634.0925
H21.77841.75981.09792.57202.14543.53233.23135.54044.4612
H31.77841.75981.09792.57202.14543.53233.23135.54044.4612
C41.09421.09791.09792.21321.49592.76602.51274.96133.8353
H53.11322.57202.57202.21321.08913.07402.09563.50452.6513
C62.15802.14542.14541.49591.08912.11961.34283.51412.4344
H72.46243.53233.53232.76603.07402.11961.08823.21762.1438
C82.66563.23133.23132.51272.09561.34281.08822.59271.4288
N95.25635.54045.54044.96133.50453.51413.21762.59271.1640
C104.09254.46124.46123.83532.65132.43442.14381.42881.1640

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 108.435 H1 C4 H3 108.435
H1 C4 C6 111.916 H2 C4 H3 106.532
H2 C4 C6 110.667 H3 C4 C6 110.667
C4 C6 H5 116.902 C4 C6 C8 124.451
H5 C6 C8 118.647 C6 C8 H7 121.002
C6 C8 C10 122.850 H7 C8 C10 116.148
C8 C10 N9 178.994
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.167 0.047   0.085
2 H 0.176 0.051   0.089
3 H 0.176 0.051   0.089
4 C -0.496 -0.083   -0.229
5 H 0.164 0.095   0.100
6 C -0.051 0.030   0.092
7 H 0.177 0.179   0.221
8 C -0.150 -0.331   -0.417
9 N -0.472 -0.471   -0.456
10 C 0.309 0.431   0.426


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.552 -0.652 0.000 4.598
CHELPG 4.534 -0.616 0.000 4.576
AIM        
ESP 4.566 -0.640 0.000 4.611


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.973 0.901 0.000
y 0.901 -26.972 0.000
z 0.000 0.000 -30.339
Traceless
 xyz
x -9.317 0.901 0.000
y 0.901 7.184 0.000
z 0.000 0.000 2.133
Polar
3z2-r24.266
x2-y2-11.000
xy0.901
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.771 -1.760 0.000
y -1.760 6.179 0.000
z 0.000 0.000 3.656


<r2> (average value of r2) Å2
<r2> 152.057
(<r2>)1/2 12.331