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: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-209.903712
Energy at 298.15K-209.909002
Nuclear repulsion energy147.863221
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 HSEh1PBE/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' 3287 3126 4.03      
2 A' 3213 3055 0.57      
3 A' 3192 3035 3.15      
4 A' 2390 2273 33.88      
5 A' 1534 1459 0.65      
6 A' 1408 1339 0.48      
7 A' 1247 1186 1.24      
8 A' 1154 1098 0.70      
9 A' 1085 1032 5.56      
10 A' 997 948 27.14      
11 A' 827 786 2.34      
12 A' 773 735 3.12      
13 A' 539 513 0.55      
14 A' 215 205 3.92      
15 A" 3274 3113 0.22      
16 A" 3188 3032 8.79      
17 A" 1491 1417 3.83      
18 A" 1216 1156 0.70      
19 A" 1123 1068 2.12      
20 A" 1099 1045 8.06      
21 A" 936 890 0.56      
22 A" 843 802 9.19      
23 A" 561 534 0.97      
24 A" 218 207 2.50      

Unscaled Zero Point Vibrational Energy (zpe) 17904.1 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 17026.8 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 HSEh1PBE/6-31G*
ABC
0.53431 0.11503 0.10908

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.496 -1.523 1.157
H2 -1.496 -1.523 -1.157
H3 0.355 -1.433 -1.151
H4 0.355 -1.433 1.151
H5 -1.546 0.781 0.000
C6 -0.604 0.235 0.000
N7 1.592 1.525 0.000
C8 0.592 0.948 0.000
C9 -0.604 -1.054 0.810
C10 -0.604 -1.054 -0.810

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.31452.96021.85302.57832.28564.49043.43601.06592.2108
H22.31451.85302.96022.57832.28564.49043.43602.21081.0659
H32.96021.85302.30253.13702.24183.40662.65572.21601.0857
H41.85302.96022.30253.13702.24183.40662.65571.08572.2160
H52.57832.57833.13703.13701.08933.22562.14522.21622.2162
C62.28562.28562.24182.24181.08932.54681.39271.52231.5223
N74.49044.49043.40663.40663.22562.54681.15423.48263.4826
C83.43603.43602.65572.65572.14521.39271.15422.46902.4690
C91.06592.21082.21601.08572.21621.52233.48262.46901.6208
C102.21081.06591.08572.21602.21621.52233.48262.46901.6208

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 118.904 H1 C9 C6 123.062
H1 C9 C10 108.991 H2 C10 H3 118.904
H2 C10 C6 123.062 H2 C10 C9 108.991
H3 C10 C6 117.561 H3 C10 C9 108.295
H4 C9 C6 117.561 H4 C9 C10 108.295
H5 C6 C8 119.100 H5 C6 C9 115.105
H5 C6 C10 115.105 C6 C8 N7 179.141
C6 C9 C10 57.836 C6 C10 C9 57.836
C8 C6 C9 115.704 C8 C6 C10 115.704
C9 C6 C10 64.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.202      
2 H 0.202      
3 H 0.213      
4 H 0.213      
5 H 0.229      
6 C -0.236      
7 N -0.477      
8 C 0.353      
9 C -0.350      
10 C -0.350      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.857 4.148 0.000 4.236
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.370 -0.436 0.000
y -0.436 -37.050 0.000
z 0.000 0.000 -28.701
Traceless
 xyz
x 5.506 -0.436 0.000
y -0.436 -9.015 0.000
z 0.000 0.000 3.509
Polar
3z2-r27.018
x2-y29.680
xy-0.436
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.046 0.492 0.000
y 0.492 8.302 0.000
z 0.000 0.000 5.077


<r2> (average value of r2) Å2
<r2> 113.675
(<r2>)1/2 10.662