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

using model chemistry: wB97X-D/aug-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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-210.150897
Energy at 298.15K-210.155340
HF Energy-210.150897
Nuclear repulsion energy139.087545
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 wB97X-D/aug-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' 3203 3064 4.10      
2 A' 3190 3051 4.74      
3 A' 3145 3008 10.26      
4 A' 3056 2923 10.87      
5 A' 2377 2274 31.86      
6 A' 1736 1661 25.31      
7 A' 1493 1428 18.73      
8 A' 1420 1359 2.56      
9 A' 1352 1294 1.76      
10 A' 1329 1271 1.00      
11 A' 1143 1093 0.03      
12 A' 1045 999 6.98      
13 A' 918 878 7.38      
14 A' 569 545 0.15      
15 A' 402 384 1.70      
16 A' 176 169 4.61      
17 A" 3116 2981 7.34      
18 A" 1476 1412 9.15      
19 A" 1080 1033 0.77      
20 A" 987 944 42.64      
21 A" 812 776 1.99      
22 A" 497 475 4.48      
23 A" 182 174 0.62      
24 A" 170 162 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 17435.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 16678.7 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 wB97X-D/aug-cc-pVTZ
ABC
1.28948 0.07726 0.07388

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.638 0.440 0.000
H2 2.625 -1.098 0.877
H3 2.625 -1.098 -0.877
C4 2.241 -0.574 0.000
H5 0.262 -1.551 0.000
C6 0.753 -0.585 0.000
H7 0.443 1.499 0.000
C8 0.000 0.512 0.000
N9 -2.573 0.424 0.000
C10 -1.424 0.454 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77061.77061.08893.10002.14572.43732.63925.21124.0623
H21.77061.75351.09132.56052.12973.50343.20135.48634.4236
H31.77061.75351.09132.56052.12973.50343.20135.48634.4236
C41.08891.09131.09132.20711.48802.74402.48994.91623.8062
H53.10002.56052.56052.20711.08393.05522.07883.45472.6191
C62.14572.12972.12971.48801.08392.10651.32973.47542.4118
H72.43733.50343.50342.74403.05522.10651.08243.20192.1399
C82.63923.20133.20132.48992.07881.32971.08242.57441.4252
N95.21125.48635.48634.91623.45473.47543.20192.57441.1493
C104.06234.42364.42363.80622.61912.41182.13991.42521.1493

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 108.609 H1 C4 H3 108.609
H1 C4 C6 111.808 H2 C4 H3 106.917
H2 C4 C6 110.374 H3 C4 C6 110.374
C4 C6 H5 117.353 C4 C6 C8 124.078
H5 C6 C8 118.569 C6 C8 H7 121.350
C6 C8 C10 122.160 H7 C8 C10 116.491
C8 C10 N9 179.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.265      
2 H 0.262      
3 H 0.262      
4 C -0.697      
5 H 0.261      
6 C -0.373      
7 H 0.332      
8 C -0.056      
9 N -0.702      
10 C 0.446      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.804 -0.615 0.000 4.844
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.755 0.799 0.000
y 0.799 -27.236 0.000
z 0.000 0.000 -30.857
Traceless
 xyz
x -9.709 0.799 0.000
y 0.799 7.570 0.000
z 0.000 0.000 2.139
Polar
3z2-r24.278
x2-y2-11.519
xy0.799
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.873 -1.638 0.000
y -1.638 7.358 0.000
z 0.000 0.000 5.698


<r2> (average value of r2) Å2
<r2> 150.403
(<r2>)1/2 12.264