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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-210.233542
Energy at 298.15K-210.238117
Nuclear repulsion energy142.044172
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/cc-pVTZ
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 3179 3073 3.81      
2 A 3151 3046 7.88      
3 A 3117 3013 2.59      
4 A 3023 2922 8.81      
5 A 2330 2252 17.45      
6 A 1688 1632 16.18      
7 A 1483 1433 17.15      
8 A 1432 1384 4.97      
9 A 1405 1358 3.62      
10 A 1267 1224 0.74      
11 A 1127 1090 0.23      
12 A 968 935 14.65      
13 A 902 871 2.31      
14 A 672 649 1.49      
15 A 398 385 0.16      
16 A 159 153 4.83      
17 A 3065 2962 9.69      
18 A 1481 1431 7.83      
19 A 1074 1038 0.46      
20 A 994 961 0.88      
21 A 756 731 37.16      
22 A 534 516 2.43      
23 A 292 282 2.92      
24 A 150 145 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17322.0 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 16743.4 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/cc-pVTZ
ABC
0.40889 0.11490 0.09120

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.223 0.249 0.000
N2 -2.223 -0.325 0.000
C3 0.000 0.980 0.000
H4 -0.097 2.058 0.000
C5 1.207 0.405 0.000
H6 2.066 1.066 0.000
C7 1.490 -1.057 0.000
H8 0.579 -1.653 0.000
H9 2.085 -1.328 0.876
H10 2.085 -1.328 -0.876

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.15341.42462.13042.43433.38913.01072.62033.76803.7680
N21.15342.57793.19333.50664.50953.78453.10134.50964.5096
C31.42462.57791.08221.33672.06832.52412.69633.23183.2318
H42.13043.19331.08222.10532.38033.49633.77244.12284.1228
C52.43433.50661.33672.10531.08451.48962.15182.13152.1315
H63.38914.50952.06832.38031.08452.20023.09932.54942.5494
C73.01073.78452.52413.49631.48962.20021.08821.09291.0929
H82.62033.10132.69633.77242.15183.09931.08821.77201.7720
H93.76804.50963.23184.12282.13152.54941.09291.77201.7510
H103.76804.50963.23184.12282.13152.54941.09291.77201.7510

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 115.719 C1 C3 C5 123.641
N2 C1 C3 178.967 C3 C5 H6 116.971
C3 C5 C7 126.441 H4 C3 C5 120.640
C5 C7 H8 112.241 C5 C7 H9 110.304
C5 C7 H10 110.304 H6 C5 C7 116.587
H8 C7 H9 108.670 H8 C7 H10 108.670
H9 C7 H10 106.461
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055     0.551
2 N -0.081     -0.510
3 C -0.127     -0.534
4 H 0.143     0.224
5 C -0.081     0.158
6 H 0.132     0.082
7 C -0.266     -0.282
8 H 0.116     0.117
9 H 0.109     0.098
10 H 0.109     0.098


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.089 1.133 0.000 4.244
CHELPG        
AIM        
ESP 4.095 1.132 0.000 4.248


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.648 -2.502 0.000
y -2.502 -27.525 0.000
z 0.000 0.000 -30.998
Traceless
 xyz
x -6.387 -2.502 0.000
y -2.502 5.798 0.000
z 0.000 0.000 0.589
Polar
3z2-r21.177
x2-y2-8.123
xy-2.502
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.786 -0.179 0.000
y -0.179 7.135 0.000
z 0.000 0.000 4.812


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