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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-210.081394
Energy at 298.15K-210.085832
Nuclear repulsion energy138.071265
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3182 3071 5.92      
2 A' 3174 3063 4.76      
3 A' 3145 3035 6.58      
4 A' 3038 2932 11.77      
5 A' 2346 2264 23.07      
6 A' 1720 1660 23.89      
7 A' 1451 1401 18.42      
8 A' 1387 1338 1.60      
9 A' 1315 1269 0.61      
10 A' 1286 1241 0.88      
11 A' 1135 1095 0.28      
12 A' 1053 1016 8.42      
13 A' 908 876 9.40      
14 A' 562 543 0.00      
15 A' 394 381 1.50      
16 A' 175 169 3.26      
17 A" 3105 2996 6.44      
18 A" 1443 1392 9.26      
19 A" 1052 1016 0.37      
20 A" 983 948 36.88      
21 A" 801 773 1.18      
22 A" 500 482 4.03      
23 A" 202 195 1.97      
24 A" 174 168 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 17265.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16660.8 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 B3PW91/cc-pVDZ
ABC
1.27569 0.07619 0.07287

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.667 0.416 0.000
H2 2.635 -1.138 0.883
H3 2.635 -1.138 -0.883
C4 2.249 -0.601 0.000
H5 0.258 -1.570 0.000
C6 0.760 -0.596 0.000
H7 0.453 1.509 0.000
C8 0.000 0.512 0.000
N9 -2.592 0.457 0.000
C10 -1.427 0.471 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.78801.78801.09933.12242.15912.46912.66905.25934.0946
H21.78801.76551.10322.57172.14183.54213.23195.53564.4572
H31.78801.76551.10322.57172.14183.54213.23195.53564.4572
C41.09931.10321.10322.21471.48922.77062.50964.95553.8293
H53.12242.57172.57172.21471.09593.08512.09843.49772.6471
C62.15912.14182.14181.48921.09592.12711.34403.51372.4336
H72.46913.54213.54212.77063.08512.12711.09463.22132.1472
C82.66903.23193.23192.50962.09841.34401.09462.59251.4275
N95.25935.53565.53564.95553.49773.51373.22132.59251.1650
C104.09464.45724.45723.82932.64712.43362.14721.42751.1650

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 108.549 H1 C4 H3 108.549
H1 C4 C6 112.172 H2 C4 H3 106.300
H2 C4 C6 110.534 H3 C4 C6 110.534
C4 C6 H5 117.091 C4 C6 C8 124.616
H5 C6 C8 118.293 C6 C8 H7 121.110
C6 C8 C10 122.796 H7 C8 C10 116.093
C8 C10 N9 179.031
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.052      
2 H 0.074      
3 H 0.074      
4 C -0.040      
5 H 0.040      
6 C -0.062      
7 H 0.055      
8 C -0.023      
9 N -0.141      
10 C -0.028      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.523 -0.660 0.000 4.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.311 0.750 0.000
y 0.750 -26.998 0.000
z 0.000 0.000 -30.537
Traceless
 xyz
x -8.544 0.750 0.000
y 0.750 6.926 0.000
z 0.000 0.000 1.617
Polar
3z2-r23.235
x2-y2-10.313
xy0.750
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> 151.814
(<r2>)1/2 12.321