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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-209.988969
Energy at 298.15K-209.994124
Nuclear repulsion energy145.389229
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 BLYP/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' 3191 3166 12.87      
2 A' 3107 3084 2.41      
3 A' 3095 3072 4.59      
4 A' 2204 2188 29.91      
5 A' 1491 1480 0.73      
6 A' 1363 1353 0.16      
7 A' 1186 1177 1.07      
8 A' 1127 1118 1.11      
9 A' 1068 1060 8.87      
10 A' 929 922 21.24      
11 A' 810 804 1.24      
12 A' 734 729 5.44      
13 A' 515 511 2.28      
14 A' 209 208 2.60      
15 A" 3174 3150 0.16      
16 A" 3092 3068 13.45      
17 A" 1479 1468 4.00      
18 A" 1194 1185 0.82      
19 A" 1110 1101 0.18      
20 A" 1083 1075 12.30      
21 A" 875 869 1.45      
22 A" 794 788 8.09      
23 A" 525 521 0.14      
24 A" 207 206 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 17281.6 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 17150.3 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 BLYP/6-31G
ABC
0.51978 0.11079 0.10490

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.811 1.018 1.290
H2 -1.811 1.018 -1.290
H3 -1.289 -0.742 -1.277
H4 -1.289 -0.742 1.277
H5 0.254 1.680 0.000
C6 0.000 0.616 0.000
N7 2.080 -0.996 0.000
C8 1.145 -0.263 0.000
C9 -1.290 0.219 0.760
C10 -1.290 0.219 -0.760

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.58083.15621.83562.52372.26004.56733.47121.09182.2611
H22.58081.83563.15622.52372.26004.56733.47122.26111.0918
H33.15621.83562.55413.14292.26693.61202.79082.25191.0913
H41.83563.15622.55413.14292.26693.61202.79081.09132.2519
H52.52372.52373.14293.14291.09343.23922.13782.25732.2573
C62.26002.26002.26692.26691.09342.63131.44421.54901.5490
N74.56734.56733.61203.61203.23922.63131.18723.66173.6617
C83.47123.47122.79082.79082.13781.44421.18722.59642.5964
C91.09182.26112.25191.09132.25731.54903.66172.59641.5190
C102.26111.09181.09132.25192.25731.54903.66172.59641.5190

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.458 H1 C9 C6 116.632
H1 C9 C10 119.095 H2 C10 H3 114.458
H2 C10 C6 116.632 H2 C10 C9 119.095
H3 C10 C6 117.254 H3 C10 C9 118.310
H4 C9 C6 117.254 H4 C9 C10 118.310
H5 C6 C8 114.097 H5 C6 C9 116.297
H5 C6 C10 116.297 C6 C8 N7 179.426
C6 C9 C10 60.638 C6 C10 C9 60.638
C8 C6 C9 120.282 C8 C6 C10 120.282
C9 C6 C10 58.723
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.146      
2 H 0.146      
3 H 0.156      
4 H 0.156      
5 H 0.170      
6 C -0.169      
7 N -0.251      
8 C 0.102      
9 C -0.228      
10 C -0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.589 2.179 0.000 4.199
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.268 3.711 0.000
y 3.711 -29.385 0.000
z 0.000 0.000 -28.996
Traceless
 xyz
x -7.077 3.711 0.000
y 3.711 3.247 0.000
z 0.000 0.000 3.830
Polar
3z2-r27.661
x2-y2-6.883
xy3.711
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> 117.498
(<r2>)1/2 10.840