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

using model chemistry: B1B95/CEP-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/CEP-31G
 hartrees
Energy at 0K-35.354808
Energy at 298.15K-35.359315
Nuclear repulsion energy72.855617
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/CEP-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 3234 3096 13.68      
2 A 3195 3059 24.56      
3 A 3177 3042 2.36      
4 A 3063 2933 15.27      
5 A 2266 2169 25.06      
6 A 1708 1635 13.40      
7 A 1491 1427 24.24      
8 A 1437 1376 16.50      
9 A 1398 1339 2.34      
10 A 1256 1203 1.38      
11 A 1131 1083 0.41      
12 A 982 940 18.64      
13 A 918 879 2.06      
14 A 658 630 1.23      
15 A 388 371 0.31      
16 A 157 151 3.44      
17 A 3140 3006 27.32      
18 A 1490 1427 19.15      
19 A 1079 1033 0.00      
20 A 1010 967 1.97      
21 A 782 748 61.60      
22 A 525 503 7.03      
23 A 281 269 1.84      
24 A 141 135 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 17452.3 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 16710.6 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/CEP-31G
ABC
0.38550 0.11239 0.08847

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.234 0.249 0.000
N2 -2.252 -0.369 0.000
C3 0.000 1.019 0.000
H4 -0.105 2.105 0.000
C5 1.237 0.424 0.000
H6 2.111 1.085 0.000
C7 1.498 -1.067 0.000
H8 0.565 -1.648 0.000
H9 2.091 -1.353 0.886
H10 2.091 -1.353 -0.886

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.19181.45372.17132.47703.44743.03252.61453.79583.7958
N21.19182.64553.27563.57854.59923.81493.09424.54084.5408
C31.45372.64551.09111.37282.11212.56802.72553.28403.2840
H42.17133.27561.09112.15102.43973.55393.81174.19134.1913
C52.47703.57851.37282.15101.09551.51372.17782.16182.1618
H63.44744.59922.11212.43971.09552.23733.13922.59422.5942
C73.03253.81492.56803.55391.51372.23731.09871.10391.1039
H82.61453.09422.72553.81172.17783.13921.09871.78871.7887
H93.79584.54083.28404.19132.16182.59421.10391.78871.7720
H103.79584.54083.28404.19132.16182.59421.10391.78871.7720

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 116.409 C1 C3 C5 122.392
N2 C1 C3 179.331 C3 C5 H6 117.239
C3 C5 C7 125.595 H4 C3 C5 121.200
C5 C7 H8 111.973 C5 C7 H9 110.374
C5 C7 H10 110.374 H6 C5 C7 117.166
H8 C7 H9 108.596 H8 C7 H10 108.596
H9 C7 H10 106.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.694      
2 N 0.407      
3 C -0.122      
4 H 0.289      
5 C -0.256      
6 H 0.238      
7 C -0.360      
8 H 0.193      
9 H 0.152      
10 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.283 1.263 0.000 4.466
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.361 -2.848 0.000
y -2.848 -26.934 0.000
z 0.000 0.000 -30.723
Traceless
 xyz
x -6.533 -2.848 0.000
y -2.848 6.109 0.000
z 0.000 0.000 0.425
Polar
3z2-r20.849
x2-y2-8.428
xy-2.848
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.130 -0.025 0.000
y -0.025 6.221 0.000
z 0.000 0.000 3.735


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000