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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-35.399340
Energy at 298.15K-35.404577
Nuclear repulsion energy75.861307
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/CEP-121G
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' 3230 3148 20.40      
2 A' 3155 3075 3.32      
3 A' 3119 3039 7.28      
4 A' 2226 2169 37.01      
5 A' 1502 1463 0.94      
6 A' 1375 1340 0.27      
7 A' 1206 1175 0.94      
8 A' 1139 1110 1.56      
9 A' 1082 1055 10.09      
10 A' 938 914 26.83      
11 A' 811 791 1.82      
12 A' 743 724 8.46      
13 A' 515 502 3.25      
14 A' 211 205 2.39      
15 A" 3213 3131 0.20      
16 A" 3110 3031 19.93      
17 A" 1479 1441 5.10      
18 A" 1201 1171 1.05      
19 A" 1121 1092 0.03      
20 A" 1102 1074 14.18      
21 A" 895 872 0.08      
22 A" 813 792 14.21      
23 A" 536 523 0.04      
24 A" 212 206 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 17466.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 17020.7 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/CEP-121G
ABC
0.51529 0.11066 0.10479

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.838 0.858 1.286
H2 -1.838 0.858 -1.286
H3 -1.167 -0.846 -1.277
H4 -1.167 -0.846 1.277
H5 0.181 1.686 0.000
C6 0.000 0.614 0.000
N7 2.199 -0.851 0.000
C8 1.214 -0.191 0.000
C9 -1.252 0.107 0.764
C10 -1.252 0.107 -0.764

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.57263.15021.83142.53302.25684.56853.47431.08632.2606
H22.57261.83143.15022.53302.25684.56853.47432.26061.0863
H33.15021.83142.55373.13982.26403.59992.78002.25411.0859
H41.83143.15022.55373.13982.26403.59992.78001.08592.2541
H52.53302.53303.13983.13981.08673.24152.14282.26462.2646
C62.25682.25682.26402.26401.08672.64201.45681.55201.5520
N74.56854.56853.59993.59993.24152.64201.18533.66183.6618
C83.47433.47432.78002.78002.14281.45681.18532.59872.5987
C91.08632.26062.25411.08592.26461.55203.66182.59871.5278
C102.26061.08631.08592.25412.26461.55203.66182.59871.5278

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.944 H1 C9 C6 116.504
H1 C9 C10 118.743 H2 C10 H3 114.944
H2 C10 C6 116.504 H2 C10 C9 118.743
H3 C10 C6 117.148 H3 C10 C9 118.189
H4 C9 C6 117.148 H4 C9 C10 118.189
H5 C6 C8 114.009 H5 C6 C9 117.146
H5 C6 C10 117.146 C6 C8 N7 179.765
C6 C9 C10 60.513 C6 C10 C9 60.513
C8 C6 C9 119.441 C8 C6 C10 119.441
C9 C6 C10 58.974
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.169      
2 H 0.169      
3 H 0.183      
4 H 0.183      
5 H 0.209      
6 C 0.011      
7 N 0.236      
8 C -0.474      
9 C -0.343      
10 C -0.343      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.928 2.018 0.000 4.416
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.939 3.332 0.000
y 3.332 -29.182 0.000
z 0.000 0.000 -29.442
Traceless
 xyz
x -8.627 3.332 0.000
y 3.332 4.508 0.000
z 0.000 0.000 4.119
Polar
3z2-r28.238
x2-y2-8.757
xy3.332
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.677 -1.291 0.000
y -1.291 6.028 0.000
z 0.000 0.000 5.689


<r2> (average value of r2) Å2
<r2> 94.577
(<r2>)1/2 9.725