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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-209.912357
Energy at 298.15K-209.916804
Nuclear repulsion energy138.461207
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 HSEh1PBE/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' 3212 3055 7.13      
2 A' 3204 3047 4.36      
3 A' 3165 3010 9.28      
4 A' 3064 2914 11.50      
5 A' 2375 2259 25.37      
6 A' 1740 1655 23.45      
7 A' 1510 1436 17.99      
8 A' 1436 1366 2.57      
9 A' 1344 1278 0.94      
10 A' 1324 1259 0.50      
11 A' 1153 1096 0.13      
12 A' 1065 1012 6.37      
13 A' 924 879 8.26      
14 A' 567 539 0.05      
15 A' 398 378 1.51      
16 A' 176 168 4.10      
17 A" 3126 2973 8.99      
18 A" 1500 1427 10.02      
19 A" 1078 1025 0.13      
20 A" 998 949 40.06      
21 A" 811 771 1.62      
22 A" 506 482 6.06      
23 A" 203 193 1.91      
24 A" 175 167 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 17526.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 16667.9 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 HSEh1PBE/6-31G*
ABC
1.28425 0.07659 0.07326

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.609 0.334 0.000
H2 2.553 -1.197 0.883
H3 2.553 -1.197 -0.883
C4 2.184 -0.673 0.000
H5 0.186 -1.549 0.000
C6 0.712 -0.631 0.000
H7 0.518 1.438 0.000
C8 0.000 0.514 0.000
N9 -2.520 0.538 0.000
C10 -1.358 0.525 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.76821.76821.09333.06862.12882.36432.61505.13333.9716
H21.76821.76581.09112.55102.11933.44443.19785.43444.3640
H31.76821.76581.09112.55102.11933.44443.19785.43444.3640
C41.09331.09111.09112.18121.47272.68902.48544.85753.7390
H53.06862.55102.55102.18121.05763.00532.07143.41782.5859
C62.12882.11932.11931.47271.05762.07811.34823.43702.3708
H72.36433.44443.44442.68903.00532.07811.05923.16892.0864
C82.61503.19783.19782.48542.07141.34821.05922.52061.3582
N95.13335.43445.43444.85753.41783.43703.16892.52061.1624
C103.97164.36404.36403.73902.58592.37082.08641.35821.1624

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 108.090 H1 C4 H3 108.090
H1 C4 C6 111.257 H2 C4 H3 108.033
H2 C4 C6 110.627 H3 C4 C6 110.627
C4 C6 H5 118.163 C4 C6 C8 123.481
H5 C6 C8 118.356 C6 C8 H7 118.870
C6 C8 C10 122.323 H7 C8 C10 118.807
C8 C10 N9 179.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.193      
2 H 0.202      
3 H 0.202      
4 C -0.572      
5 H 0.197      
6 C -0.083      
7 H 0.209      
8 C -0.184      
9 N -0.477      
10 C 0.312      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.606 -0.651 0.000 4.652
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.717 0.850 0.000
y 0.850 -26.762 0.000
z 0.000 0.000 -30.390
Traceless
 xyz
x -9.141 0.850 0.000
y 0.850 7.292 0.000
z 0.000 0.000 1.849
Polar
3z2-r23.699
x2-y2-10.955
xy0.850
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.750 -1.737 0.000
y -1.737 6.152 0.000
z 0.000 0.000 3.664


<r2> (average value of r2) Å2
<r2> 151.098
(<r2>)1/2 12.292