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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-206.215544
Energy at 298.15K-206.220999
Nuclear repulsion energy147.092185
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/STO-3G
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' 3819 3118 4.76      
2 A' 3712 3031 7.56      
3 A' 3667 2994 8.76      
4 A' 2752 2247 2.86      
5 A' 1796 1467 0.20      
6 A' 1628 1330 2.22      
7 A' 1433 1170 1.26      
8 A' 1384 1130 5.47      
9 A' 1314 1073 0.27      
10 A' 1160 948 7.39      
11 A' 924 754 0.34      
12 A' 885 723 3.15      
13 A' 603 492 0.25      
14 A' 245 200 3.49      
15 A" 3815 3115 0.05      
16 A" 3654 2984 11.44      
17 A" 1735 1416 0.38      
18 A" 1410 1152 0.09      
19 A" 1368 1117 0.52      
20 A" 1359 1109 0.21      
21 A" 1190 971 1.91      
22 A" 990 809 2.27      
23 A" 628 513 1.09      
24 A" 247 201 3.10      

Unscaled Zero Point Vibrational Energy (zpe) 20858.7 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 17031.1 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/STO-3G
ABC
0.53413 0.11278 0.10686

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.327 2.041 1.268
H2 0.327 2.041 -1.268
H3 -1.123 0.946 -1.260
H4 -1.123 0.946 1.260
H5 1.655 0.337 0.000
C6 0.576 0.229 0.000
N7 -0.226 -2.271 0.000
C8 0.130 -1.172 0.000
C9 -0.226 1.271 0.749
C10 -0.226 1.271 -0.749

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.53663.11331.81722.50492.22564.52913.46021.08142.2296
H22.53661.81723.11332.50492.22564.52913.46022.22961.0814
H33.11331.81722.51923.10992.23293.56942.76412.22371.0814
H41.81723.11332.51923.10992.23293.56942.76411.08142.2237
H52.50492.50493.10993.10991.08413.21592.14572.22962.2296
C62.22562.22562.23292.23291.08412.62621.47081.51311.5131
N74.52914.52913.56943.56943.21592.62621.15543.62043.6204
C83.46023.46022.76412.76412.14571.47081.15542.57972.5797
C91.08142.22962.22371.08142.22961.51313.62042.57971.4987
C102.22961.08141.08142.22372.22961.51313.62042.57971.4987

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.324 H1 C9 C6 117.173
H1 C9 C10 118.677 H2 C10 H3 114.324
H2 C10 C6 117.173 H2 C10 C9 118.677
H3 C10 C6 117.807 H3 C10 C9 118.151
H4 C9 C6 117.807 H4 C9 C10 118.151
H5 C6 C8 113.382 H5 C6 C9 117.330
H5 C6 C10 117.330 C6 C8 N7 179.743
C6 C9 C10 60.314 C6 C10 C9 60.314
C8 C6 C9 119.654 C8 C6 C10 119.654
C9 C6 C10 59.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.083      
2 H 0.083      
3 H 0.086      
4 H 0.086      
5 H 0.096      
6 C -0.066      
7 N -0.199      
8 C 0.074      
9 C -0.121      
10 C -0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.685 3.245 0.000 3.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.622 -0.582 0.000
y -0.582 -35.154 0.000
z 0.000 0.000 -27.602
Traceless
 xyz
x 4.756 -0.582 0.000
y -0.582 -8.042 0.000
z 0.000 0.000 3.286
Polar
3z2-r26.572
x2-y28.532
xy-0.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.655 0.353 0.000
y 0.353 4.603 0.000
z 0.000 0.000 2.549


<r2> (average value of r2) Å2
<r2> 114.554
(<r2>)1/2 10.703