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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-208.803491
Energy at 298.15K-208.809043
Nuclear repulsion energy148.672432
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/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' 3406 3074 11.24      
2 A' 3351 3025 1.26      
3 A' 3313 2990 6.46      
4 A' 2610 2355 40.93      
5 A' 1653 1492 0.29      
6 A' 1510 1363 1.17      
7 A' 1310 1182 1.95      
8 A' 1236 1116 1.21      
9 A' 1199 1082 2.63      
10 A' 1031 930 28.11      
11 A' 874 789 3.16      
12 A' 811 732 8.44      
13 A' 581 524 0.75      
14 A' 235 212 5.53      
15 A" 3392 3062 0.25      
16 A" 3306 2984 15.23      
17 A" 1601 1445 1.93      
18 A" 1311 1184 0.58      
19 A" 1238 1117 0.00      
20 A" 1216 1098 6.77      
21 A" 1018 919 1.67      
22 A" 898 811 10.41      
23 A" 609 550 2.05      
24 A" 239 216 3.87      

Unscaled Zero Point Vibrational Energy (zpe) 18972.7 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 17124.7 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/6-31G**
ABC
0.53913 0.11593 0.10988

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.766 1.028 1.260
H2 -1.766 1.028 -1.260
H3 -1.256 -0.709 -1.252
H4 -1.256 -0.709 1.252
H5 0.288 1.655 0.000
C6 0.000 0.619 0.000
N7 2.004 -1.014 0.000
C8 1.126 -0.294 0.000
C9 -1.253 0.238 0.744
C10 -1.253 0.238 -0.744

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.52083.09691.81082.48912.20754.46913.42021.07492.2148
H22.52081.81083.09692.48912.20754.46913.42022.21481.0749
H33.09691.81082.50383.08822.21573.50552.72282.20891.0745
H41.81083.09692.50383.08822.21573.50552.72281.07452.2089
H52.48912.48913.08823.08821.07453.17342.12102.22112.2211
C62.20752.20752.21572.21571.07452.58571.44971.50601.5060
N74.46914.46913.50553.50553.17342.58571.13603.56763.5676
C83.42023.42022.72282.72282.12101.44971.13602.54832.5483
C91.07492.21482.20891.07452.22111.50603.56762.54831.4877
C102.21481.07491.07452.20892.22111.50603.56762.54831.4877

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.807 H1 C9 C6 116.603
H1 C9 C10 118.725 H2 C10 H3 114.807
H2 C10 C6 116.603 H2 C10 C9 118.725
H3 C10 C6 117.351 H3 C10 C9 118.220
H4 C9 C6 117.351 H4 C9 C10 118.220
H5 C6 C8 113.511 H5 C6 C9 117.827
H5 C6 C10 117.827 C6 C8 N7 179.656
C6 C9 C10 60.402 C6 C10 C9 60.402
C8 C6 C9 119.108 C8 C6 C10 119.108
C9 C6 C10 59.197
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.156 0.117    
2 H 0.156 0.117    
3 H 0.167 0.127    
4 H 0.167 0.127    
5 H 0.192 0.129    
6 C -0.196 -0.140    
7 N -0.460 -0.517    
8 C 0.307 0.426    
9 C -0.244 -0.193    
10 C -0.244 -0.193    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.726 2.399 0.000 4.431
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.374 3.890 0.000
y 3.890 -29.619 0.000
z 0.000 0.000 -29.153
Traceless
 xyz
x -6.988 3.890 0.000
y 3.890 3.145 0.000
z 0.000 0.000 3.843
Polar
3z2-r27.686
x2-y2-6.756
xy3.890
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.143 -1.263 0.000
y -1.263 5.601 0.000
z 0.000 0.000 5.008


<r2> (average value of r2) Å2
<r2> 113.344
(<r2>)1/2 10.646