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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-208.794963
Energy at 298.15K-208.800508
HF Energy-208.794963
Nuclear repulsion energy148.648876
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 HF/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' 3423 3076 12.26      
2 A' 3369 3027 1.43      
3 A' 3333 2995 6.85      
4 A' 2610 2345 40.72      
5 A' 1664 1495 0.32      
6 A' 1519 1364 1.26      
7 A' 1315 1181 1.95      
8 A' 1242 1116 1.20      
9 A' 1204 1082 2.61      
10 A' 1033 928 28.52      
11 A' 877 788 3.11      
12 A' 813 731 8.70      
13 A' 581 522 0.75      
14 A' 235 212 5.55      
15 A" 3409 3063 0.24      
16 A" 3326 2989 15.62      
17 A" 1614 1450 1.44      
18 A" 1319 1185 0.58      
19 A" 1243 1117 0.02      
20 A" 1222 1098 6.55      
21 A" 1021 917 1.52      
22 A" 902 810 10.44      
23 A" 610 548 2.15      
24 A" 239 215 3.86      

Unscaled Zero Point Vibrational Energy (zpe) 19060.2 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 17125.6 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 HF/6-31G*
ABC
0.53916 0.11587 0.10980

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.327 2.017 1.261
H2 0.327 2.017 -1.261
H3 -1.112 0.920 -1.253
H4 -1.112 0.920 1.253
H5 1.647 0.325 0.000
C6 0.578 0.222 0.000
N7 -0.227 -2.235 0.000
C8 0.129 -1.157 0.000
C9 -0.227 1.255 0.744
C10 -0.227 1.255 -0.744

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.52173.09721.80982.48922.20814.47003.42091.07472.2152
H22.52171.80983.09722.48922.20814.47003.42092.21521.0747
H33.09721.80982.50513.08822.21643.50822.72442.20941.0743
H41.80983.09722.50513.08822.21643.50822.72441.07432.2094
H52.48922.48923.08823.08821.07423.17322.12122.22082.2208
C62.20812.20812.21642.21641.07422.58581.44981.50651.5065
N74.47004.47003.50823.50823.17322.58581.13603.56903.5690
C83.42093.42092.72442.72442.12121.44981.13602.54912.5491
C91.07472.21522.20941.07432.22081.50653.56902.54911.4880
C102.21521.07471.07432.20942.22081.50653.56902.54911.4880

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.737 H1 C9 C6 116.627
H1 C9 C10 118.748 H2 C10 H3 114.737
H2 C10 C6 116.627 H2 C10 C9 118.748
H3 C10 C6 117.383 H3 C10 C9 118.253
H4 C9 C6 117.383 H4 C9 C10 118.253
H5 C6 C8 113.534 H5 C6 C9 117.784
H5 C6 C10 117.784 C6 C8 N7 179.731
C6 C9 C10 60.406 C6 C10 C9 60.406
C8 C6 C9 119.135 C8 C6 C10 119.135
C9 C6 C10 59.189
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.205      
2 H 0.205      
3 H 0.217      
4 H 0.217      
5 H 0.243      
6 C -0.241      
7 N -0.459      
8 C 0.312      
9 C -0.349      
10 C -0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.903 4.328 0.000 4.421
CHELPG -3.682 2.379 0.000 4.384
AIM 2.215 -1.756 0.000 2.826
ESP -3.701 2.402 0.000 4.412


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.913 -0.624 -0.002
y -0.624 -38.134 -0.006
z -0.002 -0.006 -29.180
Traceless
 xyz
x 5.743 -0.624 -0.002
y -0.624 -9.588 -0.006
z -0.002 -0.006 3.844
Polar
3z2-r27.689
x2-y210.221
xy-0.624
xz-0.002
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.899 0.431 0.001
y 0.431 7.732 0.004
z 0.001 0.004 4.951


<r2> (average value of r2) Å2
<r2> 113.413
(<r2>)1/2 10.650