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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: LSDA/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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-208.953809
Energy at 298.15K-208.958982
Nuclear repulsion energy148.388008
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 LSDA/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' 3198 3146 0.06      
2 A' 3113 3063 0.05      
3 A' 3097 3047 0.74      
4 A' 2316 2279 33.13      
5 A' 1438 1415 0.98      
6 A' 1343 1321 1.40      
7 A' 1205 1186 0.55      
8 A' 1100 1083 0.24      
9 A' 1019 1003 4.81      
10 A' 980 964 25.80      
11 A' 801 788 2.00      
12 A' 745 733 1.37      
13 A' 524 516 0.27      
14 A' 204 201 3.82      
15 A" 3185 3134 0.23      
16 A" 3094 3045 3.46      
17 A" 1391 1368 7.39      
18 A" 1150 1131 0.57      
19 A" 1059 1042 1.85      
20 A" 1034 1017 7.21      
21 A" 906 891 0.59      
22 A" 804 791 7.89      
23 A" 548 539 0.61      
24 A" 210 206 2.34      

Unscaled Zero Point Vibrational Energy (zpe) 17231.1 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 16955.4 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 LSDA/6-31G(2df,p)
ABC
0.53489 0.11659 0.11061

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.331 2.021 1.271
H2 0.331 2.021 -1.271
H3 -1.125 0.893 -1.258
H4 -1.125 0.893 1.258
H5 1.667 0.339 0.000
C6 0.580 0.216 0.000
N7 -0.231 -2.236 0.000
C8 0.138 -1.132 0.000
C9 -0.231 1.248 0.742
C10 -0.231 1.248 -0.742

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54253.12881.84182.49592.22194.47793.40541.09202.2284
H22.54251.84183.12882.49592.22194.47793.40542.22841.0920
H33.12881.84182.51603.11152.22403.48852.69792.21951.0919
H41.84183.12882.51603.11152.22403.48852.69791.09192.2195
H52.49592.49593.11153.11151.09403.19842.12162.23102.2310
C62.22192.22192.22402.22401.09402.58211.41851.50781.5078
N74.47794.47793.48853.48853.19842.58211.16353.56233.5623
C83.40543.40542.69792.69792.12161.41851.16352.52082.5208
C91.09202.22842.21951.09192.23101.50783.56232.52081.4840
C102.22841.09201.09192.21952.23101.50783.56232.52081.4840

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.995 H1 C9 C6 116.532
H1 C9 C10 118.991 H2 C10 H3 114.995
H2 C10 C6 116.532 H2 C10 C9 118.991
H3 C10 C6 116.719 H3 C10 C9 118.201
H4 C9 C6 116.719 H4 C9 C10 118.201
H5 C6 C8 114.598 H5 C6 C9 117.185
H5 C6 C10 117.185 C6 C8 N7 179.642
C6 C9 C10 60.520 C6 C10 C9 60.520
C8 C6 C9 118.920 C8 C6 C10 118.920
C9 C6 C10 58.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.166      
2 H 0.166      
3 H 0.179      
4 H 0.179      
5 H 0.172      
6 C -0.160      
7 N -0.308      
8 C 0.247      
9 C -0.321      
10 C -0.321      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.875 4.122 0.000 4.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.349 -0.384 0.000
y -0.384 -36.904 0.000
z 0.000 0.000 -28.667
Traceless
 xyz
x 5.437 -0.384 0.000
y -0.384 -8.896 0.000
z 0.000 0.000 3.460
Polar
3z2-r26.920
x2-y29.555
xy-0.384
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.456 0.443 0.000
y 0.443 8.762 0.000
z 0.000 0.000 5.512


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000