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: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-210.128370
Energy at 298.15K 
Nuclear repulsion energy146.927195
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 BLYP/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' 3161 3151 6.37      
2 A' 3087 3077 1.11      
3 A' 3071 3062 4.56      
4 A' 2246 2239 29.57      
5 A' 1463 1459 0.89      
6 A' 1340 1336 0.15      
7 A' 1173 1170 0.81      
8 A' 1109 1106 0.38      
9 A' 1034 1031 6.54      
10 A' 922 919 20.02      
11 A' 795 793 1.42      
12 A' 730 728 4.40      
13 A' 515 513 0.95      
14 A' 207 206 3.52      
15 A" 3146 3137 0.15      
16 A" 3070 3061 13.12      
17 A" 1442 1437 2.50      
18 A" 1174 1171 0.65      
19 A" 1083 1080 0.85      
20 A" 1056 1053 7.04      
21 A" 855 853 0.15      
22 A" 794 792 8.11      
23 A" 533 532 0.39      
24 A" 209 209 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 17107.2 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 17055.9 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 BLYP/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.793 1.018 1.276
H2 -1.793 1.018 -1.276
H3 -1.268 -0.737 -1.265
H4 -1.268 -0.737 1.265
H5 0.260 1.670 0.000
C6 0.000 0.614 0.000
N7 2.049 -0.991 0.000
C8 1.135 -0.270 0.000
C9 -1.274 0.220 0.752
C10 -1.274 0.220 -0.752

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.55213.13251.83192.50352.23714.51923.44341.08622.2404
H22.55211.83193.13252.50352.23714.51923.44342.24041.0862
H33.13251.83192.53003.11932.24353.55932.75512.23271.0857
H41.83193.13252.53003.11932.24353.55932.75511.08572.2327
H52.50352.50353.11933.11931.08773.20632.12852.24162.2416
C62.23712.23712.24352.24351.08772.60291.43871.53151.5315
N74.51924.51923.55933.55933.20632.60291.16423.61653.6165
C83.44343.44342.75512.75512.12851.43871.16422.57112.5711
C91.08622.24042.23271.08572.24161.53153.61652.57111.5045
C102.24041.08621.08572.23272.24161.53153.61652.57111.5045

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.017 H1 C9 C6 116.397
H1 C9 C10 118.829 H2 C10 H3 115.017
H2 C10 C6 116.397 H2 C10 C9 118.829
H3 C10 C6 116.988 H3 C10 C9 118.182
H4 C9 C6 116.988 H4 C9 C10 118.182
H5 C6 C8 114.086 H5 C6 C9 116.685
H5 C6 C10 116.685 C6 C8 N7 179.714
C6 C9 C10 60.581 C6 C10 C9 60.581
C8 C6 C9 119.874 C8 C6 C10 119.874
C9 C6 C10 58.838
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.107      
2 H 0.107      
3 H 0.115      
4 H 0.115      
5 H 0.122      
6 C -0.033      
7 N -0.064      
8 C -0.115      
9 C -0.177      
10 C -0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.623 2.228 0.000 4.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.624 3.548 0.000
y 3.548 -29.831 0.000
z 0.000 0.000 -29.623
Traceless
 xyz
x -6.896 3.548 0.000
y 3.548 3.292 0.000
z 0.000 0.000 3.604
Polar
3z2-r27.209
x2-y2-6.792
xy3.548
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 115.674
(<r2>)1/2 10.755