return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-208.835115
Energy at 298.15K-208.840672
Nuclear repulsion energy148.822815
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/6-311G*
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' 3397 3072 19.33      
2 A' 3348 3028 2.01      
3 A' 3305 2989 8.25      
4 A' 2590 2343 41.22      
5 A' 1651 1493 0.41      
6 A' 1510 1366 1.13      
7 A' 1305 1181 1.77      
8 A' 1236 1118 1.08      
9 A' 1184 1071 2.74      
10 A' 1021 924 29.48      
11 A' 871 788 3.27      
12 A' 806 729 9.83      
13 A' 583 528 0.97      
14 A' 237 215 5.19      
15 A" 3382 3058 0.22      
16 A" 3297 2982 19.65      
17 A" 1601 1448 2.89      
18 A" 1313 1187 0.72      
19 A" 1230 1112 0.50      
20 A" 1207 1092 6.20      
21 A" 1009 913 1.67      
22 A" 893 808 11.80      
23 A" 615 556 1.81      
24 A" 240 217 3.33      

Unscaled Zero Point Vibrational Energy (zpe) 18915.8 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 17107.4 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/6-311G*
ABC
0.53842 0.11633 0.11019

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.768 1.019 1.262
H2 -1.768 1.019 -1.262
H3 -1.252 -0.715 -1.254
H4 -1.252 -0.715 1.254
H5 0.281 1.654 0.000
C6 0.000 0.619 0.000
N7 2.004 -1.002 0.000
C8 1.127 -0.289 0.000
C9 -1.253 0.231 0.745
C10 -1.253 0.231 -0.745

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.52323.09821.80902.48912.20874.46143.41811.07422.2164
H22.52321.80903.09822.48912.20874.46143.41812.21641.0742
H33.09821.80902.50723.08772.21703.50032.72232.21081.0738
H41.80903.09822.50723.08772.21703.50032.72231.07382.2108
H52.48912.48913.08773.08771.07343.16592.11912.22132.2213
C62.20872.20872.21702.21701.07342.57711.44681.50791.5079
N74.46144.46143.50033.50033.16592.57711.13033.56083.5608
C83.41813.41812.72232.72232.11911.44681.13032.54712.5471
C91.07422.21642.21081.07382.22131.50793.56082.54711.4896
C102.21641.07421.07382.21082.22131.50793.56082.54711.4896

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.744 H1 C9 C6 116.594
H1 C9 C10 118.758 H2 C10 H3 114.744
H2 C10 C6 116.594 H2 C10 C9 118.758
H3 C10 C6 117.360 H3 C10 C9 118.285
H4 C9 C6 117.360 H4 C9 C10 118.285
H5 C6 C8 113.630 H5 C6 C9 117.763
H5 C6 C10 117.763 C6 C8 N7 179.705
C6 C9 C10 60.402 C6 C10 C9 60.402
C8 C6 C9 119.074 C8 C6 C10 119.074
C9 C6 C10 59.195
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.246 0.117   0.164
2 H 0.246 0.117   0.164
3 H 0.253 0.126   0.181
4 H 0.253 0.126   0.181
5 H 0.266 0.128   0.184
6 C -0.276 -0.136   -0.198
7 N -0.340 -0.522   -0.497
8 C 0.176 0.431   0.411
9 C -0.412 -0.194   -0.295
10 C -0.412 -0.194   -0.295


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.739 2.394 0.000 4.440
CHELPG        
AIM        
ESP -3.722 2.403 0.000 4.430


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.725 3.802 0.000
y 3.802 -29.759 0.000
z 0.000 0.000 -29.477
Traceless
 xyz
x -7.107 3.802 0.000
y 3.802 3.342 0.000
z 0.000 0.000 3.765
Polar
3z2-r27.530
x2-y2-6.966
xy3.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.402 -1.196 0.000
y -1.196 5.728 0.000
z 0.000 0.000 5.284


<r2> (average value of r2) Å2
<r2> 113.282
(<r2>)1/2 10.643