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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-210.073927
Energy at 298.15K-210.079221
Nuclear repulsion energy146.641013
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 B3LYP/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' 3273 3148 9.25      
2 A' 3194 3073 1.33      
3 A' 3176 3056 3.43      
4 A' 2309 2221 34.67      
5 A' 1535 1477 0.76      
6 A' 1412 1358 0.49      
7 A' 1231 1185 1.14      
8 A' 1164 1119 1.38      
9 A' 1111 1068 8.81      
10 A' 969 932 24.79      
11 A' 835 803 1.54      
12 A' 764 735 6.46      
13 A' 535 515 2.06      
14 A' 217 209 3.00      
15 A" 3257 3133 0.21      
16 A" 3172 3051 10.15      
17 A" 1517 1460 5.55      
18 A" 1230 1183 0.92      
19 A" 1157 1113 0.71      
20 A" 1125 1082 12.75      
21 A" 919 884 0.36      
22 A" 837 806 10.97      
23 A" 547 526 0.26      
24 A" 215 207 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 17849.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 17171.5 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 B3LYP/6-31G
ABC
0.52781 0.11278 0.10679

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.795 1.015 1.281
H2 -1.795 1.015 -1.281
H3 -1.278 -0.733 -1.267
H4 -1.278 -0.733 1.267
H5 0.259 1.668 0.000
C6 0.000 0.614 0.000
N7 2.056 -0.996 0.000
C8 1.136 -0.267 0.000
C9 -1.277 0.222 0.753
C10 -1.277 0.222 -0.753

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.56143.13241.82252.50732.24154.52943.44611.08442.2439
H22.56141.82253.13242.50732.24154.52943.44612.24391.0844
H33.13241.82252.53413.11942.24763.57632.76622.23451.0840
H41.82253.13242.53413.11942.24763.57632.76621.08402.2345
H52.50732.50733.11943.11941.08563.21342.12402.23972.2397
C62.24152.24152.24762.24761.08562.61111.43731.53321.5332
N74.52944.52943.57633.57633.21342.61111.17393.62723.6272
C83.44613.44612.76622.76622.12401.43731.17392.57452.5745
C91.08442.24392.23451.08402.23971.53323.62722.57451.5067
C102.24391.08441.08402.23452.23971.53323.62722.57451.5067

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.381 H1 C9 C6 116.767
H1 C9 C10 119.099 H2 C10 H3 114.381
H2 C10 C6 116.767 H2 C10 C9 119.099
H3 C10 C6 117.321 H3 C10 C9 118.287
H4 C9 C6 117.321 H4 C9 C10 118.287
H5 C6 C8 113.962 H5 C6 C9 116.534
H5 C6 C10 116.534 C6 C8 N7 179.333
C6 C9 C10 60.572 C6 C10 C9 60.572
C8 C6 C9 120.119 C8 C6 C10 120.119
C9 C6 C10 58.856
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.164      
2 H 0.164      
3 H 0.175      
4 H 0.175      
5 H 0.193      
6 C -0.189      
7 N -0.263      
8 C 0.105      
9 C -0.262      
10 C -0.262      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.626 2.238 0.000 4.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.306 3.801 0.000
y 3.801 -29.386 0.000
z 0.000 0.000 -28.957
Traceless
 xyz
x -7.134 3.801 0.000
y 3.801 3.245 0.000
z 0.000 0.000 3.889
Polar
3z2-r27.778
x2-y2-6.920
xy3.801
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.612 -1.489 0.000
y -1.489 5.678 0.000
z 0.000 0.000 4.948


<r2> (average value of r2) Å2
<r2> 115.813
(<r2>)1/2 10.762