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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-209.981329
Energy at 298.15K-209.986650
Nuclear repulsion energy147.260547
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 B1B95/6-31G
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' 3300 3148 6.26      
2 A' 3222 3072 0.63      
3 A' 3200 3052 2.59      
4 A' 2333 2225 37.16      
5 A' 1535 1464 0.89      
6 A' 1417 1352 1.14      
7 A' 1249 1191 0.91      
8 A' 1165 1111 1.33      
9 A' 1114 1062 10.29      
10 A' 994 948 27.27      
11 A' 834 795 1.77      
12 A' 775 739 5.16      
13 A' 539 514 1.86      
14 A' 217 207 2.88      
15 A" 3285 3133 0.23      
16 A" 3195 3047 7.99      
17 A" 1511 1441 7.30      
18 A" 1227 1170 1.06      
19 A" 1159 1105 0.95      
20 A" 1126 1074 14.34      
21 A" 934 891 0.00      
22 A" 857 817 12.22      
23 A" 552 527 0.19      
24 A" 216 206 1.82      

Unscaled Zero Point Vibrational Energy (zpe) 17978.5 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 17146.1 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 B1B95/6-31G
ABC
0.53238 0.11381 0.10779

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.336 2.027 1.275
H2 0.336 2.027 -1.275
H3 -1.123 0.940 -1.262
H4 -1.123 0.940 1.262
H5 1.651 0.330 0.000
C6 0.574 0.213 0.000
N7 -0.229 -2.264 0.000
C8 0.138 -1.152 0.000
C9 -0.229 1.268 0.749
C10 -0.229 1.268 -0.749

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.55073.12261.81982.49762.23084.51233.43091.08242.2349
H22.55071.81983.12262.49762.23084.51233.43092.23491.0824
H33.12261.81982.52443.10882.23693.55772.74942.22591.0821
H41.81983.12262.52443.10882.23693.55772.74941.08212.2259
H52.49762.49763.10883.10881.08373.20412.11792.23092.2309
C62.23082.23082.23692.23691.08372.60361.43221.52341.5234
N74.51234.51233.55773.55773.20412.60361.17143.61083.6108
C83.43093.43092.74942.74942.11791.43221.17142.55962.5596
C91.08242.23492.22591.08212.23091.52343.61082.55961.4988
C102.23491.08241.08212.22592.23091.52343.61082.55961.4988

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.437 H1 C9 C6 116.748
H1 C9 C10 119.070 H2 C10 H3 114.437
H2 C10 C6 116.748 H2 C10 C9 119.070
H3 C10 C6 117.300 H3 C10 C9 118.288
H4 C9 C6 117.300 H4 C9 C10 118.288
H5 C6 C8 113.951 H5 C6 C9 116.669
H5 C6 C10 116.669 C6 C8 N7 179.447
C6 C9 C10 60.532 C6 C10 C9 60.532
C8 C6 C9 119.972 C8 C6 C10 119.972
C9 C6 C10 58.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.188      
2 H 0.188      
3 H 0.198      
4 H 0.198      
5 H 0.222      
6 C -0.241      
7 N -0.279      
8 C 0.128      
9 C -0.301      
10 C -0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.854 4.171 0.000 4.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.563 -0.603 0.000
y -0.603 -37.663 0.000
z 0.000 0.000 -28.813
Traceless
 xyz
x 5.675 -0.603 0.000
y -0.603 -9.474 0.000
z 0.000 0.000 3.800
Polar
3z2-r27.600
x2-y210.099
xy-0.603
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.916 0.513 0.000
y 0.513 8.278 0.000
z 0.000 0.000 4.928


<r2> (average value of r2) Å2
<r2> 114.824
(<r2>)1/2 10.716