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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-35.450266
Energy at 298.15K-35.455407
Nuclear repulsion energy76.072647
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-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' 3254 3143 17.51      
2 A' 3183 3073 2.71      
3 A' 3154 3046 7.99      
4 A' 2334 2254 45.65      
5 A' 1504 1452 0.50      
6 A' 1363 1316 0.40      
7 A' 1206 1165 1.69      
8 A' 1127 1088 1.92      
9 A' 1049 1013 7.79      
10 A' 946 914 28.65      
11 A' 798 770 3.81      
12 A' 747 721 6.54      
13 A' 517 499 1.71      
14 A' 208 200 2.57      
15 A" 3239 3128 0.12      
16 A" 3149 3041 18.28      
17 A" 1456 1406 2.80      
18 A" 1179 1138 0.77      
19 A" 1092 1054 4.10      
20 A" 1062 1026 8.48      
21 A" 887 857 0.51      
22 A" 808 780 11.59      
23 A" 529 511 0.11      
24 A" 207 200 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 17498.3 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 16898.1 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-31G*
ABC
0.51048 0.11233 0.10666

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.833 0.869 1.282
H2 -1.833 0.869 -1.282
H3 -1.134 -0.842 -1.277
H4 -1.134 -0.842 1.277
H5 0.192 1.710 0.000
C6 0.000 0.634 0.000
N7 2.163 -0.885 0.000
C8 1.203 -0.198 0.000
C9 -1.236 0.115 0.761
C10 -1.236 0.115 -0.761

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.56443.15681.84852.54042.24954.54903.46441.09372.2581
H22.56441.84853.15682.54042.24954.54903.46442.25811.0937
H33.15681.84852.55363.14662.25723.53612.74022.25391.0924
H41.84853.15682.55363.14662.25723.53612.74021.09242.2539
H52.54042.54043.14663.14661.09293.25862.15872.27182.2718
C62.24952.24952.25722.25721.09292.64341.46261.54141.5414
N74.54904.54903.53613.53613.25862.64341.18093.62443.6244
C83.46443.46442.74022.74022.15871.46261.18092.57442.5744
C91.09372.25812.25391.09242.27181.54143.62442.57441.5219
C102.25811.09371.09242.25392.27181.54143.62442.57441.5219

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.463 H1 C9 C6 116.194
H1 C9 C10 118.463 H2 C10 H3 115.463
H2 C10 C6 116.194 H2 C10 C9 118.463
H3 C10 C6 116.936 H3 C10 C9 118.177
H4 C9 C6 116.936 H4 C9 C10 118.177
H5 C6 C8 114.512 H5 C6 C9 118.176
H5 C6 C10 118.176 C6 C8 N7 179.032
C6 C9 C10 60.416 C6 C10 C9 60.416
C8 C6 C9 117.941 C8 C6 C10 117.941
C9 C6 C10 59.168
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.206      
2 H 0.206      
3 H 0.227      
4 H 0.227      
5 H 0.271      
6 C -0.045      
7 N 0.375      
8 C -0.631      
9 C -0.418      
10 C -0.418      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.888 2.068 0.000 4.403
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.767 3.011 0.000
y 3.011 -28.470 0.000
z 0.000 0.000 -28.998
Traceless
 xyz
x -8.033 3.011 0.000
y 3.011 4.412 0.000
z 0.000 0.000 3.621
Polar
3z2-r27.242
x2-y2-8.297
xy3.011
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.365 -1.124 0.000
y -1.124 5.675 0.000
z 0.000 0.000 5.639


<r2> (average value of r2) Å2
<r2> 93.185
(<r2>)1/2 9.653