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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-210.101555
Energy at 298.15K-210.106840
Nuclear repulsion energy147.979543
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 B3PW91/6-311G*
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 3128 8.41      
2 A' 3177 3058 1.22      
3 A' 3152 3035 4.89      
4 A' 2359 2271 33.91      
5 A' 1515 1458 0.88      
6 A' 1395 1343 0.68      
7 A' 1231 1185 0.96      
8 A' 1146 1104 0.61      
9 A' 1063 1024 6.78      
10 A' 979 943 27.34      
11 A' 820 789 2.39      
12 A' 765 736 4.46      
13 A' 538 518 0.79      
14 A' 215 207 3.74      
15 A" 3234 3114 0.19      
16 A" 3148 3031 13.40      
17 A" 1475 1420 5.81      
18 A" 1208 1163 0.86      
19 A" 1112 1071 2.54      
20 A" 1082 1042 8.35      
21 A" 913 879 0.40      
22 A" 835 804 10.48      
23 A" 561 540 0.79      
24 A" 218 210 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 17695.5 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 17035.4 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 B3PW91/6-311G*
ABC
0.53440 0.11525 0.10921

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.778 1.018 1.270
H2 -1.778 1.018 -1.270
H3 -1.254 -0.731 -1.259
H4 -1.254 -0.731 1.259
H5 0.266 1.667 0.000
C6 0.000 0.615 0.000
N7 2.025 -0.996 0.000
C8 1.124 -0.273 0.000
C9 -1.260 0.223 0.746
C10 -1.260 0.223 -0.746

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54003.11981.82682.49252.22214.48753.42141.08402.2284
H22.54001.82683.11982.49252.22214.48753.42142.22841.0840
H33.11981.82682.51813.10602.22933.52232.72922.22081.0834
H41.82683.11982.51813.10602.22933.52232.72921.08342.2208
H52.49252.49253.10603.10601.08513.19182.12202.22992.2299
C62.22212.22212.22932.22931.08512.58801.43301.51641.5164
N74.48754.48753.52233.52233.19182.58801.15493.58323.5832
C83.42143.42142.72922.72922.12201.43301.15492.54762.5476
C91.08402.22842.22081.08342.22991.51643.58322.54761.4925
C102.22841.08401.08342.22082.22991.51643.58322.54761.4925

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.879 H1 C9 C6 116.427
H1 C9 C10 118.892 H2 C10 H3 114.879
H2 C10 C6 116.427 H2 C10 C9 118.892
H3 C10 C6 117.092 H3 C10 C9 118.250
H4 C9 C6 117.092 H4 C9 C10 118.250
H5 C6 C8 114.142 H5 C6 C9 117.029
H5 C6 C10 117.029 C6 C8 N7 179.614
C6 C9 C10 60.521 C6 C10 C9 60.521
C8 C6 C9 119.453 C8 C6 C10 119.453
C9 C6 C10 58.958
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.249      
2 H 0.249      
3 H 0.258      
4 H 0.258      
5 H 0.266      
6 C -0.292      
7 N -0.279      
8 C 0.146      
9 C -0.427      
10 C -0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.624 2.273 0.000 4.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.102 3.502 0.000
y 3.502 -29.124 0.000
z 0.000 0.000 -29.131
Traceless
 xyz
x -6.974 3.502 0.000
y 3.502 3.492 0.000
z 0.000 0.000 3.482
Polar
3z2-r26.964
x2-y2-6.977
xy3.502
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 113.808
(<r2>)1/2 10.668