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All results from a given calculation for C4H5N ((Z)-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-209.997081
Energy at 298.15K-210.001670
Nuclear repulsion energy141.484852
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 3232 3083 6.94      
2 A 3201 3053 10.41      
3 A 3167 3021 3.28      
4 A 3058 2917 10.11      
5 A 2316 2208 20.11      
6 A 1724 1645 13.55      
7 A 1525 1455 19.67      
8 A 1466 1398 13.35      
9 A 1443 1377 2.05      
10 A 1295 1235 0.88      
11 A 1156 1103 0.91      
12 A 998 952 16.49      
13 A 925 882 1.77      
14 A 683 652 1.09      
15 A 399 381 0.12      
16 A 159 151 3.90      
17 A 3125 2980 11.51      
18 A 1522 1451 13.85      
19 A 1102 1051 0.09      
20 A 1018 970 1.09      
21 A 782 746 45.33      
22 A 539 514 4.98      
23 A 285 272 2.42      
24 A 151 144 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 17635.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 16819.3 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
0.40275 0.11488 0.09089

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)
C1 -1.218 0.252 0.000
N2 -2.228 -0.345 0.000
C3 0.000 0.988 0.000
H4 -0.098 2.068 0.000
C5 1.215 0.412 0.000
H6 2.081 1.069 0.000
C7 1.486 -1.054 0.000
H8 0.563 -1.638 0.000
H9 2.075 -1.339 0.879
H10 2.075 -1.339 -0.879

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17311.42312.13372.43833.39853.00262.59693.76123.7612
N21.17312.59613.21873.52504.53473.78043.07564.50264.5026
C31.42312.59611.08441.34492.08242.52552.68583.23933.2393
H42.13373.21871.08442.11352.39673.50093.76454.13534.1353
C52.43833.52501.34492.11351.08711.49082.15102.13932.1393
H63.39854.53472.08242.39671.08712.20533.10362.56342.5634
C73.00263.78042.52553.50091.49082.20531.09171.09581.0958
H82.59693.07562.68583.76452.15103.10361.09171.77421.7742
H93.76124.50263.23934.13532.13932.56341.09581.77421.7576
H103.76124.50263.23934.13532.13932.56341.09581.77421.7576

picture of (Z)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.976 C1 C3 C5 123.477
N2 C1 C3 179.451 C3 C5 H6 117.413
C3 C5 C7 125.829 H4 C3 C5 120.547
C5 C7 H8 111.868 C5 C7 H9 110.672
C5 C7 H10 110.672 H6 C5 C7 116.757
H8 C7 H9 108.402 H8 C7 H10 108.402
H9 C7 H10 106.643
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 C 0.043      
2 N -0.278      
3 C -0.106      
4 H 0.205      
5 C -0.077      
6 H 0.169      
7 C -0.518      
8 H 0.194      
9 H 0.185      
10 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.048 1.185 0.000 4.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.103 -2.691 0.000
y -2.691 -26.949 0.000
z 0.000 0.000 -30.525
Traceless
 xyz
x -6.366 -2.691 0.000
y -2.691 5.866 0.000
z 0.000 0.000 0.501
Polar
3z2-r21.001
x2-y2-8.154
xy-2.691
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.970 0.013 0.000
y 0.013 6.099 0.000
z 0.000 0.000 3.437


<r2> (average value of r2) Å2
<r2> 126.272
(<r2>)1/2 11.237