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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B3LYP/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-210.151863
Energy at 298.15K-210.157135
Nuclear repulsion energy147.680338
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(2df,p)
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' 3249 3135 4.65      
2 A' 3174 3063 1.00      
3 A' 3152 3042 3.61      
4 A' 2354 2272 29.69      
5 A' 1500 1447 0.69      
6 A' 1380 1331 0.30      
7 A' 1219 1176 1.35      
8 A' 1138 1098 0.55      
9 A' 1072 1034 4.10      
10 A' 965 931 20.42      
11 A' 812 783 1.78      
12 A' 755 729 3.51      
13 A' 534 516 0.41      
14 A' 215 208 4.32      
15 A" 3234 3121 0.16      
16 A" 3149 3039 9.99      
17 A" 1471 1419 2.33      
18 A" 1202 1160 0.43      
19 A" 1116 1076 0.95      
20 A" 1091 1052 5.54      
21 A" 902 871 0.14      
22 A" 827 798 7.37      
23 A" 559 539 0.98      
24 A" 220 212 2.91      

Unscaled Zero Point Vibrational Energy (zpe) 17643.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17026.4 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(2df,p)
ABC
0.53278 0.11469 0.10865

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.783 1.018 1.271
H2 -1.783 1.018 -1.271
H3 -1.258 -0.731 -1.260
H4 -1.258 -0.731 1.260
H5 0.267 1.667 0.000
C6 0.000 0.616 0.000
N7 2.032 -0.995 0.000
C8 1.127 -0.275 0.000
C9 -1.264 0.223 0.748
C10 -1.264 0.223 -0.748

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54303.12181.82622.49822.22664.49703.42821.08362.2318
H22.54301.82623.12182.49822.22664.49703.42822.23181.0836
H33.12181.82622.52103.10892.23293.53322.73552.22421.0831
H41.82623.12182.52103.10892.23293.53322.73551.08312.2242
H52.49822.49823.10893.10891.08443.19372.12312.23362.2336
C62.22662.22662.23292.23291.08442.59301.43581.52071.5207
N74.49704.49703.53323.53323.19372.59301.15713.59303.5930
C83.42823.42822.73552.73552.12311.43581.15712.55402.5540
C91.08362.23182.22421.08312.23361.52073.59302.55401.4970
C102.23181.08361.08312.22422.23361.52073.59302.55401.4970

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.882 H1 C9 C6 116.510
H1 C9 C10 118.859 H2 C10 H3 114.882
H2 C10 C6 116.510 H2 C10 C9 118.859
H3 C10 C6 117.092 H3 C10 C9 118.210
H4 C9 C6 117.092 H4 C9 C10 118.210
H5 C6 C8 114.070 H5 C6 C9 117.061
H5 C6 C10 117.061 C6 C8 N7 179.837
C6 C9 C10 60.515 C6 C10 C9 60.515
C8 C6 C9 119.477 C8 C6 C10 119.477
C9 C6 C10 58.970
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.133      
2 H 0.133      
3 H 0.145      
4 H 0.145      
5 H 0.136      
6 C -0.138      
7 N -0.330      
8 C 0.274      
9 C -0.249      
10 C -0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.558 2.227 0.000 4.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.704 3.565 0.000
y 3.565 -29.035 0.000
z 0.000 0.000 -28.735
Traceless
 xyz
x -6.819 3.565 0.000
y 3.565 3.185 0.000
z 0.000 0.000 3.635
Polar
3z2-r27.269
x2-y2-6.669
xy3.565
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.913 -1.332 0.000
y -1.332 5.985 0.000
z 0.000 0.000 5.442


<r2> (average value of r2) Å2
<r2> 114.060
(<r2>)1/2 10.680