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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-247.860443
Energy at 298.15K-247.868677
Nuclear repulsion energy212.014702
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(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' 3281 2971 60.64      
2 A' 3256 2949 12.97      
3 A' 3230 2925 4.24      
4 A' 3219 2915 2.22      
5 A' 3205 2902 35.75      
6 A' 2594 2349 21.28      
7 A' 1640 1485 0.59      
8 A' 1609 1457 2.71      
9 A' 1485 1345 4.77      
10 A' 1405 1273 1.32      
11 A' 1343 1216 0.22      
12 A' 1228 1112 1.85      
13 A' 1136 1029 0.86      
14 A' 1017 921 0.69      
15 A' 970 879 3.54      
16 A' 801 725 2.15      
17 A' 637 577 1.09      
18 A' 573 519 1.30      
19 A' 293 265 3.57      
20 A' 139 126 3.62      
21 A" 3270 2961 16.20      
22 A" 3214 2910 57.50      
23 A" 1605 1454 0.76      
24 A" 1405 1272 0.93      
25 A" 1376 1246 0.14      
26 A" 1365 1236 0.16      
27 A" 1315 1190 0.07      
28 A" 1128 1021 0.01      
29 A" 1021 925 0.37      
30 A" 997 903 1.65      
31 A" 848 768 0.90      
32 A" 597 540 0.49      
33 A" 200 181 6.77      

Unscaled Zero Point Vibrational Energy (zpe) 25700.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 23271.6 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(2df,p)
ABC
0.32952 0.08006 0.07063

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.603 2.106 0.000
C2 0.747 1.367 0.000
C3 -0.349 0.395 0.000
C4 -0.857 -1.697 0.000
C5 -0.349 -0.716 1.080
C6 -0.349 -0.716 -1.080
H7 -1.286 0.938 0.000
H8 -1.939 -1.771 0.000
H9 -0.441 -2.696 0.000
H10 0.659 -0.953 1.398
H11 -0.965 -0.548 1.954
H12 0.659 -0.953 -1.398
H13 -0.965 -0.548 -1.954

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.13082.59524.52883.59703.59703.11615.25075.21823.49304.17763.49304.1776
C21.13081.46453.45822.58962.58962.07774.13004.23262.71013.22712.71013.2271
C32.59521.46452.15281.54971.54971.08312.68673.09212.18822.25532.18822.2553
C44.52883.45822.15281.54491.54492.66921.08441.08212.19272.26902.19272.2690
C53.59702.58961.54971.54492.16032.18652.19252.25681.08321.08212.68613.1004
C63.59702.58961.54971.54492.16032.18652.19252.25682.68613.10041.08321.0821
H73.11612.07771.08312.66922.18652.18652.78583.73033.05192.47553.05192.4755
H85.25074.13002.68671.08442.19252.19252.78581.76073.06182.50213.06182.5021
H95.21824.23263.09211.08212.25682.25683.73031.76072.49052.95022.49052.9502
H103.49302.71012.18822.19271.08322.68613.05193.06182.49051.76342.79683.7468
H114.17763.22712.25532.26901.08213.10042.47552.50212.95021.76343.74683.9075
H123.49302.71012.18822.19272.68611.08323.05193.06182.49052.79683.74681.7634
H134.17763.22712.25532.26903.10041.08212.47552.50212.95023.74683.90751.7634

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.219 C2 C3 C5 118.417
C2 C3 C6 118.417 C2 C3 H7 108.359
C3 C5 C4 88.158 C3 C5 H10 111.190
C3 C5 H11 116.829 C3 C6 C4 88.158
C3 C6 H12 111.190 C3 C6 H13 116.829
C4 C5 H10 111.896 C4 C5 H11 118.408
C4 C6 H12 111.896 C4 C6 H13 118.408
C5 C3 C6 88.373 C5 C3 H7 111.053
C5 C4 C6 88.719 C5 C4 H8 111.803
C5 C4 H9 117.344 C6 C3 H7 111.053
C6 C4 H8 111.803 C6 C4 H9 117.344
H8 C4 H9 108.727 H10 C5 H11 109.054
H12 C6 H13 109.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.234      
2 C 0.159      
3 C -0.203      
4 C -0.266      
5 C -0.255      
6 C -0.255      
7 H 0.170      
8 H 0.139      
9 H 0.143      
10 H 0.156      
11 H 0.146      
12 H 0.156      
13 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.065 -3.164 0.000 4.405
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.821 -6.921 0.000
y -6.921 -42.945 0.000
z 0.000 0.000 -35.386
Traceless
 xyz
x -0.656 -6.921 0.000
y -6.921 -5.341 0.000
z 0.000 0.000 5.997
Polar
3z2-r211.994
x2-y23.123
xy-6.921
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.655 1.533 0.000
y 1.533 8.381 0.000
z 0.000 0.000 6.902


<r2> (average value of r2) Å2
<r2> 155.747
(<r2>)1/2 12.480