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/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-208.868692
Energy at 298.15K-208.874236
HF Energy-208.868692
Nuclear repulsion energy149.125120
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/daug-cc-pVTZ
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' 3380 3057 9.46      
2 A' 3330 3013 0.63      
3 A' 3289 2975 5.67      
4 A' 2578 2332 48.67      
5 A' 1639 1482 0.48      
6 A' 1499 1356 1.30      
7 A' 1297 1174 1.84      
8 A' 1228 1111 0.98      
9 A' 1184 1071 3.14      
10 A' 1014 918 26.84      
11 A' 866 783 2.94      
12 A' 801 725 8.73      
13 A' 582 526 0.63      
14 A' 236 214 5.94      
15 A" 3364 3044 0.26      
16 A" 3282 2969 13.52      
17 A" 1593 1441 2.70      
18 A" 1303 1179 0.69      
19 A" 1231 1114 0.06      
20 A" 1206 1091 5.74      
21 A" 1007 911 1.57      
22 A" 890 805 10.72      
23 A" 610 552 1.81      
24 A" 239 216 3.97      

Unscaled Zero Point Vibrational Energy (zpe) 18824.5 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 17028.7 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/daug-cc-pVTZ
ABC
0.54097 0.11676 0.11061

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.327 2.011 1.258
H2 0.327 2.011 -1.258
H3 -1.109 0.914 -1.250
H4 -1.109 0.914 1.250
H5 1.644 0.321 0.000
C6 0.577 0.220 0.000
N7 -0.227 -2.225 0.000
C8 0.128 -1.154 0.000
C9 -0.227 1.251 0.743
C10 -0.227 1.251 -0.743

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.51543.09081.80712.48492.20314.45353.41201.07212.2111
H22.51541.80713.09082.48492.20314.45353.41202.21111.0721
H33.09081.80712.49953.08122.21103.49232.71512.20561.0717
H41.80713.09082.49953.08122.21103.49232.71511.07172.2056
H52.48492.48493.08123.08121.07143.15882.11492.21732.2173
C62.20312.20312.21102.21101.07142.57351.44561.50381.5038
N74.45354.45353.49233.49233.15882.57351.12793.55423.5542
C83.41203.41202.71512.71512.11491.44561.12792.54202.5420
C91.07212.21112.20561.07172.21731.50383.55422.54201.4867
C102.21111.07211.07172.20562.21731.50383.55422.54201.4867

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.901 H1 C9 C6 116.585
H1 C9 C10 118.673 H2 C10 H3 114.901
H2 C10 C6 116.585 H2 C10 C9 118.673
H3 C10 C6 117.302 H3 C10 C9 118.199
H4 C9 C6 117.302 H4 C9 C10 118.199
H5 C6 C8 113.498 H5 C6 C9 117.887
H5 C6 C10 117.887 C6 C8 N7 179.782
C6 C9 C10 60.376 C6 C10 C9 60.376
C8 C6 C9 119.044 C8 C6 C10 119.044
C9 C6 C10 59.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.663      
2 H 0.663      
3 H 0.701      
4 H 0.701      
5 H 0.394      
6 C 0.005      
7 N -1.330      
8 C 1.122      
9 C -1.460      
10 C -1.460      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.944 4.451 0.000 4.550
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.193 -0.631 0.000
y -0.631 -38.569 0.000
z 0.000 0.000 -29.482
Traceless
 xyz
x 5.833 -0.631 0.000
y -0.631 -9.731 0.000
z 0.000 0.000 3.899
Polar
3z2-r27.798
x2-y210.376
xy-0.631
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.927 0.144 0.000
y 0.144 8.762 0.000
z 0.000 0.000 6.224


<r2> (average value of r2) Å2
<r2> 112.977
(<r2>)1/2 10.629