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: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-208.960087
Energy at 298.15K-208.965234
Nuclear repulsion energy147.873030
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 LSDA/aug-cc-pVDZ
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' 3196 3160 0.11      
2 A' 3112 3077 0.23      
3 A' 3092 3057 0.94      
4 A' 2299 2273 40.53      
5 A' 1438 1422 1.22      
6 A' 1338 1323 1.83      
7 A' 1198 1184 0.24      
8 A' 1095 1083 0.21      
9 A' 1004 993 4.79      
10 A' 970 959 28.80      
11 A' 798 789 2.70      
12 A' 741 732 1.94      
13 A' 518 513 0.51      
14 A' 202 200 3.90      
15 A" 3184 3148 0.31      
16 A" 3089 3054 3.35      
17 A" 1380 1365 8.70      
18 A" 1136 1123 0.92      
19 A" 1042 1030 2.74      
20 A" 1016 1004 6.44      
21 A" 896 886 1.28      
22 A" 796 787 7.97      
23 A" 534 528 0.32      
24 A" 205 202 2.27      

Unscaled Zero Point Vibrational Energy (zpe) 17138.8 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 16945.2 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 LSDA/aug-cc-pVDZ
ABC
0.53111 0.11582 0.10991

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.333 2.029 1.274
H2 0.333 2.029 -1.274
H3 -1.129 0.892 -1.263
H4 -1.129 0.892 1.263
H5 1.674 0.340 0.000
C6 0.582 0.218 0.000
N7 -0.232 -2.243 0.000
C8 0.139 -1.135 0.000
C9 -0.232 1.252 0.744
C10 -0.232 1.252 -0.744

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54833.14141.85232.50502.22774.49383.41641.09712.2354
H22.54831.85233.14142.50502.22774.49383.41642.23541.0971
H33.14141.85232.52613.12392.23063.49712.70412.22801.0970
H41.85233.14142.52613.12392.23063.49712.70411.09702.2280
H52.50502.50503.12393.12391.09923.21032.12892.24072.2407
C62.22772.22772.23062.23061.09922.59281.42411.51161.5116
N74.49384.49383.49713.49713.21032.59281.16873.57393.5739
C83.41643.41642.70412.70412.12891.42411.16872.52802.5280
C91.09712.23542.22801.09702.24071.51163.57392.52801.4886
C102.23541.09711.09702.22802.24071.51163.57392.52801.4886

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.180 H1 C9 C6 116.394
H1 C9 C10 118.879 H2 C10 H3 115.180
H2 C10 C6 116.394 H2 C10 C9 118.879
H3 C10 C6 116.642 H3 C10 C9 118.222
H4 C9 C6 116.642 H4 C9 C10 118.222
H5 C6 C8 114.445 H5 C6 C9 117.363
H5 C6 C10 117.363 C6 C8 N7 179.599
C6 C9 C10 60.501 C6 C10 C9 60.501
C8 C6 C9 118.859 C8 C6 C10 118.859
C9 C6 C10 58.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.492      
2 H -0.492      
3 H -0.489      
4 H -0.489      
5 H -0.455      
6 C 1.236      
7 N -0.085      
8 C -0.607      
9 C 0.937      
10 C 0.937      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.927 4.348 0.000 4.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.227 -0.447 0.000
y -0.447 -38.293 0.000
z 0.000 0.000 -29.630
Traceless
 xyz
x 5.734 -0.447 0.000
y -0.447 -9.365 0.000
z 0.000 0.000 3.631
Polar
3z2-r27.261
x2-y210.066
xy-0.447
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.531 0.269 0.000
y 0.269 10.165 0.000
z 0.000 0.000 6.814


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000