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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-210.057652
Energy at 298.15K-210.062920
Nuclear repulsion energy147.592273
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3272 3130 4.89      
2 A' 3196 3058 0.78      
3 A' 3178 3040 3.64      
4 A' 2369 2266 33.24      
5 A' 1529 1463 0.66      
6 A' 1401 1341 0.38      
7 A' 1238 1184 1.21      
8 A' 1150 1100 0.75      
9 A' 1079 1033 5.80      
10 A' 986 943 26.13      
11 A' 823 788 2.16      
12 A' 768 735 3.46      
13 A' 535 512 0.63      
14 A' 214 205 3.85      
15 A" 3259 3118 0.21      
16 A" 3174 3037 9.95      
17 A" 1489 1425 3.52      
18 A" 1212 1160 0.68      
19 A" 1119 1070 1.96      
20 A" 1093 1046 8.38      
21 A" 923 883 0.29      
22 A" 839 802 9.22      
23 A" 557 533 0.95      
24 A" 217 208 2.48      

Unscaled Zero Point Vibrational Energy (zpe) 17809.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17038.3 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 B3PW91/6-31G*
ABC
0.53340 0.11448 0.10853

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.779 1.028 1.271
H2 -1.779 1.028 -1.271
H3 -1.260 -0.727 -1.261
H4 -1.260 -0.727 1.261
H5 0.272 1.669 0.000
C6 0.000 0.617 0.000
N7 2.030 -1.008 0.000
C8 1.125 -0.279 0.000
C9 -1.263 0.229 0.747
C10 -1.263 0.229 -0.747

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54203.12361.82972.49672.22464.50243.42841.08592.2305
H22.54201.82973.12362.49672.22464.50243.42842.23051.0859
H33.12361.82972.52123.11112.23233.53532.73462.22331.0854
H41.82973.12362.52123.11112.23233.53532.73461.08542.2233
H52.49672.49673.11113.11111.08703.20302.12682.23332.2333
C62.22462.22462.23232.23231.08702.60061.43801.51741.5174
N74.50244.50243.53533.53533.20302.60061.16263.59643.5964
C83.42843.42842.73462.73462.12681.43801.16262.55262.5526
C91.08592.23052.22331.08542.23331.51743.59642.55261.4933
C102.23051.08591.08542.22332.23331.51743.59642.55261.4933

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.848 H1 C9 C6 116.433
H1 C9 C10 118.874 H2 C10 H3 114.848
H2 C10 C6 116.433 H2 C10 C9 118.874
H3 C10 C6 117.144 H3 C10 C9 118.264
H4 C9 C6 117.144 H4 C9 C10 118.264
H5 C6 C8 114.046 H5 C6 C9 117.117
H5 C6 C10 117.117 C6 C8 N7 179.735
C6 C9 C10 60.524 C6 C10 C9 60.524
C8 C6 C9 119.447 C8 C6 C10 119.447
C9 C6 C10 58.952
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.200     0.165
2 H 0.200     0.165
3 H 0.211     0.181
4 H 0.211     0.181
5 H 0.226     0.186
6 C -0.231     -0.210
7 N -0.488     -0.448
8 C 0.363     0.368
9 C -0.346     -0.294
10 C -0.346     -0.294


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.596 2.261 0.000 4.247
CHELPG        
AIM        
ESP -3.581 2.264 0.000 4.237


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.539 3.541 0.000
y 3.541 -28.802 0.000
z 0.000 0.000 -28.635
Traceless
 xyz
x -6.821 3.541 0.000
y 3.541 3.286 0.000
z 0.000 0.000 3.535
Polar
3z2-r27.070
x2-y2-6.737
xy3.541
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> 114.071
(<r2>)1/2 10.680