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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-208.880683
Energy at 298.15K-208.886094
Nuclear repulsion energy147.751888
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 B1B95/3-21G
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' 3302 3159 1.64      
2 A' 3228 3088 0.05      
3 A' 3200 3061 1.60      
4 A' 2365 2263 22.55      
5 A' 1524 1458 1.27      
6 A' 1394 1334 1.93      
7 A' 1197 1145 1.61      
8 A' 1167 1116 1.88      
9 A' 1095 1048 18.44      
10 A' 963 921 20.18      
11 A' 822 787 1.75      
12 A' 773 740 5.18      
13 A' 566 541 2.44      
14 A' 237 227 2.24      
15 A" 3286 3144 0.14      
16 A" 3196 3057 5.15      
17 A" 1506 1441 8.96      
18 A" 1214 1162 1.03      
19 A" 1142 1093 0.87      
20 A" 1116 1068 16.91      
21 A" 918 878 1.12      
22 A" 835 799 11.11      
23 A" 609 583 0.20      
24 A" 238 228 0.95      

Unscaled Zero Point Vibrational Energy (zpe) 17945.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17168.7 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 B1B95/3-21G
ABC
0.52326 0.11601 0.11002

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.316 2.028 1.266
H2 0.316 2.028 -1.266
H3 -1.119 0.889 -1.261
H4 -1.119 0.889 1.261
H5 1.671 0.341 0.000
C6 0.596 0.213 0.000
N7 -0.236 -2.237 0.000
C8 0.139 -1.136 0.000
C9 -0.236 1.252 0.754
C10 -0.236 1.252 -0.754

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.53123.12091.83212.50662.23014.48343.41221.08152.2328
H22.53121.83213.12092.50662.23014.48343.41222.23281.0815
H33.12091.83212.52183.11042.23363.48522.69712.22941.0810
H41.83213.12092.52183.11042.23363.48522.69711.08102.2294
H52.50662.50663.11043.11041.08243.20712.12782.24332.2433
C62.23012.23012.23362.23361.08242.58821.42441.52901.5290
N74.48344.48343.48523.48523.20712.58821.16373.56943.5694
C83.41223.41222.69712.69712.12781.42441.16372.53142.5314
C91.08152.23282.22941.08102.24331.52903.56942.53141.5074
C102.23281.08151.08102.22942.24331.52903.56942.53141.5074

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.815 H1 C9 C6 116.308
H1 C9 C10 118.247 H2 C10 H3 115.815
H2 C10 C6 116.308 H2 C10 C9 118.247
H3 C10 C6 116.640 H3 C10 C9 117.980
H4 C9 C6 116.640 H4 C9 C10 117.980
H5 C6 C8 115.490 H5 C6 C9 117.392
H5 C6 C10 117.392 C6 C8 N7 179.902
C6 C9 C10 60.466 C6 C10 C9 60.466
C8 C6 C9 117.943 C8 C6 C10 117.943
C9 C6 C10 59.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.245      
2 H 0.245      
3 H 0.253      
4 H 0.253      
5 H 0.277      
6 C -0.364      
7 N -0.490      
8 C 0.369      
9 C -0.394      
10 C -0.394      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.800 3.897 0.000 3.978
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.639 -0.374 0.000
y -0.374 -36.828 0.000
z 0.000 0.000 -28.977
Traceless
 xyz
x 5.264 -0.374 0.000
y -0.374 -8.520 0.000
z 0.000 0.000 3.256
Polar
3z2-r26.512
x2-y29.189
xy-0.374
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.648 0.468 0.000
y 0.468 7.658 0.000
z 0.000 0.000 4.663


<r2> (average value of r2) Å2
<r2> 113.232
(<r2>)1/2 10.641