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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: HF/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 HF/CEP-31G*
 hartrees
Energy at 0K-34.495217
Energy at 298.15K-34.500700
Nuclear repulsion energy76.885258
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/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' 3441 3090 29.74      
2 A' 3389 3043 4.15      
3 A' 3342 3001 11.51      
4 A' 2597 2332 57.85      
5 A' 1651 1483 0.10      
6 A' 1493 1341 2.14      
7 A' 1308 1174 2.04      
8 A' 1224 1099 1.59      
9 A' 1178 1058 2.59      
10 A' 1019 915 32.62      
11 A' 855 768 4.90      
12 A' 802 720 10.04      
13 A' 570 512 1.31      
14 A' 232 208 4.47      
15 A" 3427 3078 0.14      
16 A" 3333 2993 27.08      
17 A" 1589 1427 0.99      
18 A" 1289 1158 0.62      
19 A" 1216 1092 1.17      
20 A" 1195 1073 4.99      
21 A" 1011 908 3.68      
22 A" 882 792 11.27      
23 A" 594 533 0.82      
24 A" 233 210 2.89      

Unscaled Zero Point Vibrational Energy (zpe) 18934.7 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 17003.4 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 HF/CEP-31G*
ABC
0.52205 0.11433 0.10846

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.810 0.875 1.269
H2 -1.810 0.875 -1.269
H3 -1.137 -0.819 -1.266
H4 -1.137 -0.819 1.266
H5 0.213 1.685 0.000
C6 0.000 0.628 0.000
N7 2.134 -0.893 0.000
C8 1.200 -0.217 0.000
C9 -1.223 0.128 0.754
C10 -1.223 0.128 -0.754

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.53793.12241.82342.52222.22474.50473.44461.08072.2354
H22.53791.82343.12242.52222.22474.50473.44462.23541.0807
H33.12241.82342.53153.11382.23333.50792.72492.23281.0798
H41.82343.12242.53153.11382.23333.50792.72491.07982.2328
H52.52222.52223.11383.11381.07863.21432.14262.24892.2489
C62.22472.22472.23332.23331.07862.62001.46741.52171.5217
N74.50474.50473.50793.50793.21432.62001.15263.58913.5891
C83.44463.44462.72492.72492.14261.46741.15262.56142.5614
C91.08072.23542.23281.07982.24891.52173.58912.56141.5087
C102.23541.08071.07982.23282.24891.52173.58912.56141.5087

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.123 H1 C9 C6 116.465
H1 C9 C10 118.436 H2 C10 H3 115.123
H2 C10 C6 116.465 H2 C10 C9 118.436
H3 C10 C6 117.283 H3 C10 C9 118.269
H4 C9 C6 117.283 H4 C9 C10 118.269
H5 C6 C8 113.731 H5 C6 C9 118.749
H5 C6 C10 118.749 C6 C8 N7 179.266
C6 C9 C10 60.281 C6 C10 C9 60.281
C8 C6 C9 117.931 C8 C6 C10 117.931
C9 C6 C10 59.438
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.173      
2 H 0.173      
3 H 0.191      
4 H 0.191      
5 H 0.241      
6 C -0.004      
7 N 0.335      
8 C -0.610      
9 C -0.346      
10 C -0.346      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.971 2.183 0.000 4.531
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.533 3.430 0.000
y 3.430 -29.162 0.000
z 0.000 0.000 -29.366
Traceless
 xyz
x -8.268 3.430 0.000
y 3.430 4.287 0.000
z 0.000 0.000 3.981
Polar
3z2-r27.962
x2-y2-8.370
xy3.430
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.637 -0.966 0.000
y -0.966 5.432 0.000
z 0.000 0.000 5.424


<r2> (average value of r2) Å2
<r2> 92.253
(<r2>)1/2 9.605