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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-210.154020
Energy at 298.15K-210.158573
Nuclear repulsion energy141.350695
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 B3LYP/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 3202 3075 6.04      
2 A 3175 3048 11.01      
3 A 3144 3020 2.91      
4 A 3043 2922 10.80      
5 A 2341 2248 15.97      
6 A 1706 1638 15.21      
7 A 1510 1450 14.61      
8 A 1451 1393 5.09      
9 A 1419 1362 1.97      
10 A 1274 1223 0.28      
11 A 1136 1090 0.55      
12 A 977 938 13.74      
13 A 909 873 1.84      
14 A 669 643 1.80      
15 A 399 383 0.13      
16 A 160 154 4.76      
17 A 3091 2968 12.73      
18 A 1509 1449 8.33      
19 A 1079 1036 0.05      
20 A 990 950 0.68      
21 A 757 727 36.08      
22 A 536 514 1.39      
23 A 292 281 3.43      
24 A 157 151 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 17461.6 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 16768.4 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 B3LYP/6-31G*
ABC
0.40273 0.11429 0.09052

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.225 0.251 0.000
N2 -2.230 -0.336 0.000
C3 0.000 0.989 0.000
H4 -0.099 2.071 0.000
C5 1.213 0.409 0.000
H6 2.078 1.071 0.000
C7 1.493 -1.060 0.000
H8 0.574 -1.653 0.000
H9 2.088 -1.337 0.880
H10 2.088 -1.337 -0.880

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16441.42992.14042.44243.40253.01712.61973.77733.7773
N21.16442.59423.21523.52264.53183.79293.09884.51944.5194
C31.42992.59421.08681.34422.07922.53532.70413.24703.2470
H42.14043.21521.08682.11722.39533.51283.78504.14374.1437
C52.44243.52261.34422.11721.08911.49582.15892.14202.1420
H63.40254.53182.07922.39531.08912.20993.11142.56332.5633
C73.01713.79292.53533.51281.49582.20991.09321.09791.0979
H82.61973.09882.70413.78502.15893.11141.09321.77931.7793
H93.77734.51943.24704.14372.14202.56331.09791.77931.7602
H103.77734.51943.24704.14372.14202.56331.09791.77931.7602

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 115.864 C1 C3 C5 123.361
N2 C1 C3 179.177 C3 C5 H6 117.022
C3 C5 C7 126.352 H4 C3 C5 120.775
C5 C7 H8 112.065 C5 C7 H9 110.412
C5 C7 H10 110.412 H6 C5 C7 116.626
H8 C7 H9 108.600 H8 C7 H10 108.600
H9 C7 H10 106.573
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.315 0.477   0.529
2 N -0.478 -0.484   -0.491
3 C -0.157 -0.366   -0.520
4 H 0.182 0.169   0.220
5 C -0.051 0.048   0.160
6 H 0.154 0.086   0.083
7 C -0.502 -0.084   -0.320
8 H 0.188 0.060   0.124
9 H 0.174 0.047   0.107
10 H 0.174 0.047   0.107


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.995 1.169 0.000 4.163
CHELPG 3.950 1.182 0.000 4.124
AIM        
ESP 3.997 1.165 0.000 4.163


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.884 -2.455 0.000
y -2.455 -26.954 0.000
z 0.000 0.000 -30.356
Traceless
 xyz
x -6.229 -2.455 0.000
y -2.455 5.666 0.000
z 0.000 0.000 0.563
Polar
3z2-r21.126
x2-y2-7.930
xy-2.455
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.049 -0.041 0.000
y -0.041 6.260 0.000
z 0.000 0.000 3.638


<r2> (average value of r2) Å2
<r2> 126.659
(<r2>)1/2 11.254