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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-210.058726
Energy at 298.15K-210.063164
Nuclear repulsion energy138.567540
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 B1B95/6-31G**
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' 3201 3057 7.25      
2 A' 3194 3049 4.86      
3 A' 3160 3017 8.77      
4 A' 3057 2918 10.97      
5 A' 2370 2263 23.02      
6 A' 1734 1656 22.69      
7 A' 1490 1423 16.58      
8 A' 1415 1352 2.02      
9 A' 1332 1271 0.79      
10 A' 1310 1250 0.73      
11 A' 1142 1090 0.12      
12 A' 1057 1009 6.42      
13 A' 916 875 8.24      
14 A' 562 536 0.04      
15 A' 396 378 1.53      
16 A' 175 167 4.00      
17 A" 3121 2980 8.93      
18 A" 1480 1413 8.93      
19 A" 1065 1017 0.33      
20 A" 992 947 37.33      
21 A" 806 770 1.37      
22 A" 502 479 5.72      
23 A" 202 193 1.95      
24 A" 175 167 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 17425.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 16638.3 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 B1B95/6-31G**
ABC
1.28833 0.07667 0.07334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.649 0.422 0.000
H2 2.632 -1.119 0.877
H3 2.632 -1.119 -0.877
C4 2.245 -0.591 0.000
H5 0.264 -1.563 0.000
C6 0.758 -0.595 0.000
H7 0.450 1.498 0.000
C8 0.000 0.509 0.000
N9 -2.586 0.450 0.000
C10 -1.424 0.465 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77381.77381.09103.10382.14782.44842.65085.23514.0734
H21.77381.75411.09462.56382.13463.51853.21675.51834.4415
H31.77381.75411.09462.56382.13463.51853.21675.51834.4415
C41.09101.09461.09462.20681.48732.75412.49994.94133.8177
H53.10382.56382.56382.20681.08723.06672.08913.48862.6386
C62.14782.13462.13461.48731.08722.11501.33883.50252.4252
H72.44843.51853.51852.75413.06672.11501.08623.21142.1393
C82.65083.21673.21672.49992.08911.33881.08622.58631.4244
N95.23515.51835.51834.94133.48863.50253.21142.58631.1620
C104.07344.44154.44153.81772.63862.42522.13931.42441.1620

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 108.505 H1 C4 H3 108.505
H1 C4 C6 111.906 H2 C4 H3 106.501
H2 C4 C6 110.620 H3 C4 C6 110.620
C4 C6 H5 117.160 C4 C6 C8 124.320
H5 C6 C8 118.521 C6 C8 H7 121.070
C6 C8 C10 122.697 H7 C8 C10 116.233
C8 C10 N9 179.006
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.140      
2 H 0.153      
3 H 0.153      
4 C -0.405      
5 H 0.144      
6 C -0.047      
7 H 0.156      
8 C -0.117      
9 N -0.462      
10 C 0.286      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.569 -0.638 0.000 4.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.511 0.820 0.000
y 0.820 -26.759 0.000
z 0.000 0.000 -30.248
Traceless
 xyz
x -9.008 0.820 0.000
y 0.820 7.121 0.000
z 0.000 0.000 1.887
Polar
3z2-r23.774
x2-y2-10.752
xy0.820
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.796 -1.712 0.000
y -1.712 6.191 0.000
z 0.000 0.000 3.707


<r2> (average value of r2) Å2
<r2> 150.859
(<r2>)1/2 12.282