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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-208.890187
Energy at 298.15K-208.895037
HF Energy-208.890187
Nuclear repulsion energy142.856924
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 HF/Def2TZVPP
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' 3353 3039 3.85      
2 A' 3308 2998 10.64      
3 A' 3265 2959 5.84      
4 A' 3166 2870 15.86      
5 A' 2574 2333 42.50      
6 A' 1837 1665 25.34      
7 A' 1601 1451 15.57      
8 A' 1554 1409 1.38      
9 A' 1517 1375 2.56      
10 A' 1358 1231 1.69      
11 A' 1215 1101 0.21      
12 A' 1017 922 12.85      
13 A' 944 856 0.74      
14 A' 716 649 1.61      
15 A' 441 399 0.54      
16 A' 178 161 5.74      
17 A" 3213 2912 17.25      
18 A" 1600 1450 7.74      
19 A" 1188 1077 1.05      
20 A" 1092 989 2.68      
21 A" 830 753 46.42      
22 A" 585 530 1.35      
23 A" 323 293 2.82      
24 A" 165 150 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18518.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 16785.2 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 HF/Def2TZVPP
ABC
0.41016 0.11613 0.09202

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.220 0.222 0.000
N2 -2.206 -0.315 0.000
C3 0.000 0.977 0.000
H4 -0.107 2.042 0.000
C5 1.193 0.412 0.000
H6 2.038 1.076 0.000
C7 1.488 -1.051 0.000
H8 0.590 -1.650 0.000
H9 2.078 -1.309 0.872
H10 2.078 -1.309 -0.872

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.12331.43432.13332.42013.36782.99232.60373.73973.7397
N21.12332.55663.15683.47584.46633.76663.09804.48394.4839
C31.43432.55661.07091.31962.04042.51512.69173.21033.2103
H42.13333.15681.07092.08462.35233.48013.75694.09494.0949
C52.42013.47581.31962.08461.07471.49272.14812.12342.1234
H63.36784.46632.04042.35231.07472.19683.08632.54002.5400
C72.99233.76662.51513.48011.49272.19681.07931.08441.0844
H82.60373.09802.69173.75692.14813.08631.07931.75841.7584
H93.73974.48393.21034.09492.12342.54001.08441.75841.7445
H103.73974.48393.21034.09492.12342.54001.08441.75841.7445

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 116.010 C1 C3 C5 122.941
N2 C1 C3 176.870 C3 C5 H6 116.532
C3 C5 C7 126.737 H4 C3 C5 121.049
C5 C7 H8 112.275 C5 C7 H9 109.950
C5 C7 H10 109.950 H6 C5 C7 116.732
H8 C7 H9 108.714 H8 C7 H10 108.714
H9 C7 H10 107.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.111      
2 N -0.135      
3 C -0.023      
4 H 0.100      
5 C -0.003      
6 H 0.095      
7 C -0.144      
8 H 0.080      
9 H 0.071      
10 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.403 1.259 0.000 4.580
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.116 -2.619 0.000
y -2.619 -27.643 0.000
z 0.000 0.000 -31.327
Traceless
 xyz
x -6.631 -2.619 0.000
y -2.619 6.078 0.000
z 0.000 0.000 0.553
Polar
3z2-r21.105
x2-y2-8.473
xy-2.619
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.295 -0.229 0.000
y -0.229 6.756 0.000
z 0.000 0.000 5.007


<r2> (average value of r2) Å2
<r2> 125.496
(<r2>)1/2 11.202