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

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-210.084713
Energy at 298.15K-210.089017
Nuclear repulsion energy137.009185
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 BLYP/6-31+G**
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' 3090 3074 14.64      
2 A' 3081 3065 1.95      
3 A' 3043 3027 13.03      
4 A' 2954 2938 16.30      
5 A' 2221 2210 24.60      
6 A' 1633 1624 20.98      
7 A' 1451 1443 19.93      
8 A' 1377 1369 2.02      
9 A' 1297 1290 0.62      
10 A' 1279 1273 1.65      
11 A' 1099 1093 0.09      
12 A' 1012 1006 7.86      
13 A' 886 882 8.48      
14 A' 537 534 0.00      
15 A' 383 381 1.17      
16 A' 170 169 3.84      
17 A" 2998 2982 11.00      
18 A" 1442 1434 9.45      
19 A" 1033 1027 0.51      
20 A" 950 945 41.72      
21 A" 775 771 1.13      
22 A" 477 474 3.78      
23 A" 193 192 2.06      
24 A" 167 166 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 16772.4 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 16683.5 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 BLYP/6-31+G**
ABC
1.27649 0.07475 0.07156

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.686 0.392 0.000
H2 2.651 -1.163 0.884
H3 2.651 -1.163 -0.884
C4 2.266 -0.625 0.000
H5 0.258 -1.589 0.000
C6 0.761 -0.615 0.000
H7 0.464 1.501 0.000
C8 0.000 0.508 0.000
N9 -2.611 0.499 0.000
C10 -1.433 0.487 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.78971.78971.10063.13352.17222.48302.68865.29814.1200
H21.78971.76891.10462.58622.15723.55833.25645.58874.4926
H31.78971.76891.10462.58622.15723.55833.25645.58874.4926
C41.10061.10461.10462.22691.50452.78662.53355.00473.8623
H53.13352.58622.58622.22691.09643.09672.11303.54852.6775
C62.17222.15722.15721.50451.09642.13641.35683.55152.4553
H72.48303.55833.55832.78663.09672.13641.09593.23452.1512
C82.68863.25643.25642.53352.11301.35681.09592.61101.4330
N95.29815.58875.58875.00473.54853.55153.23452.61101.1782
C104.12004.49264.49263.86232.67752.45532.15121.43301.1782

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 108.494 H1 C4 H3 108.494
H1 C4 C6 112.050 H2 C4 H3 106.386
H2 C4 C6 110.609 H3 C4 C6 110.609
C4 C6 H5 116.923 C4 C6 C8 124.529
H5 C6 C8 118.549 C6 C8 H7 120.793
C6 C8 C10 123.282 H7 C8 C10 115.926
C8 C10 N9 178.564
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.158      
2 H 0.170      
3 H 0.170      
4 C -0.633      
5 H 0.141      
6 C 0.132      
7 H 0.149      
8 C 0.359      
9 N -0.508      
10 C -0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.790 -0.744 0.000 4.847
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.569 1.077 0.000
y 1.077 -28.041 0.000
z 0.000 0.000 -31.572
Traceless
 xyz
x -9.762 1.077 0.000
y 1.077 7.530 0.000
z 0.000 0.000 2.232
Polar
3z2-r24.465
x2-y2-11.528
xy1.077
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 155.054
(<r2>)1/2 12.452