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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-209.866465
Energy at 298.15K-209.871611
Nuclear repulsion energy146.643020
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 PBEPBE/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' 3195 3150 4.77      
2 A' 3114 3070 0.96      
3 A' 3102 3058 3.27      
4 A' 2273 2240 29.15      
5 A' 1478 1457 0.75      
6 A' 1355 1336 0.24      
7 A' 1204 1187 1.02      
8 A' 1115 1099 0.53      
9 A' 1036 1021 6.56      
10 A' 961 947 23.78      
11 A' 800 789 1.79      
12 A' 745 735 2.51      
13 A' 518 511 0.75      
14 A' 208 205 3.28      
15 A" 3182 3136 0.20      
16 A" 3100 3055 9.84      
17 A" 1444 1423 3.36      
18 A" 1174 1158 0.66      
19 A" 1076 1061 3.02      
20 A" 1047 1032 7.06      
21 A" 881 868 0.09      
22 A" 811 799 8.33      
23 A" 537 530 0.57      
24 A" 209 206 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 17282.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 17035.3 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 PBEPBE/6-31G*
ABC
0.52699 0.11308 0.10722

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.341 2.038 1.280
H2 0.341 2.038 -1.280
H3 -1.131 0.929 -1.268
H4 -1.131 0.929 1.268
H5 1.669 0.336 0.000
C6 0.580 0.216 0.000
N7 -0.231 -2.271 0.000
C8 0.137 -1.154 0.000
C9 -0.231 1.271 0.751
C10 -0.231 1.271 -0.751

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.55973.14501.84322.50962.23954.53123.44531.09362.2448
H22.55971.84323.14502.50962.23954.53123.44532.24481.0936
H33.14501.84322.53693.13072.24653.55772.74882.23691.0931
H41.84323.14502.53693.13072.24653.55772.74881.09312.2369
H52.50962.50963.13073.13071.09523.22602.13752.24682.2468
C62.23952.23952.24652.24651.09522.61591.44021.52811.5281
N74.53124.53123.55773.55773.22602.61591.17573.62043.6204
C83.44533.44532.74882.74882.13751.44021.17572.56512.5651
C91.09362.24482.23691.09312.24681.52813.62042.56511.5014
C102.24481.09361.09312.23692.24681.52813.62042.56511.5014

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.901 H1 C9 C6 116.363
H1 C9 C10 118.938 H2 C10 H3 114.901
H2 C10 C6 116.363 H2 C10 C9 118.938
H3 C10 C6 117.002 H3 C10 C9 118.270
H4 C9 C6 117.002 H4 C9 C10 118.270
H5 C6 C8 114.245 H5 C6 C9 116.883
H5 C6 C10 116.883 C6 C8 N7 179.714
C6 C9 C10 60.576 C6 C10 C9 60.576
C8 C6 C9 119.545 C8 C6 C10 119.545
C9 C6 C10 58.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.186      
2 H 0.186      
3 H 0.197      
4 H 0.197      
5 H 0.208      
6 C -0.219      
7 N -0.469      
8 C 0.354      
9 C -0.320      
10 C -0.320      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.829 4.084 0.000 4.167
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.418 -0.406 0.000
y -0.406 -36.940 0.000
z 0.000 0.000 -28.744
Traceless
 xyz
x 5.424 -0.406 0.000
y -0.406 -8.859 0.000
z 0.000 0.000 3.435
Polar
3z2-r26.870
x2-y29.522
xy-0.406
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.169 0.522 0.000
y 0.522 8.708 0.000
z 0.000 0.000 5.193


<r2> (average value of r2) Å2
<r2> 115.262
(<r2>)1/2 10.736