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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-208.923845
Energy at 298.15K-208.929282
Nuclear repulsion energy147.683371
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 mPW1PW91/3-21G
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' 3307 3157 1.34      
2 A' 3233 3086 0.05      
3 A' 3205 3060 1.55      
4 A' 2373 2266 24.01      
5 A' 1532 1463 1.30      
6 A' 1402 1339 2.08      
7 A' 1201 1146 1.71      
8 A' 1175 1122 2.03      
9 A' 1102 1052 19.02      
10 A' 965 922 21.08      
11 A' 830 793 1.82      
12 A' 779 743 5.73      
13 A' 571 545 2.59      
14 A' 239 229 2.30      
15 A" 3291 3142 0.18      
16 A" 3201 3056 4.96      
17 A" 1514 1445 9.35      
18 A" 1223 1167 1.02      
19 A" 1151 1099 1.11      
20 A" 1122 1072 17.30      
21 A" 924 882 1.43      
22 A" 838 800 11.44      
23 A" 615 587 0.25      
24 A" 240 229 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 18016.5 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 17198.6 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 mPW1PW91/3-21G
ABC
0.52216 0.11597 0.10999

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.805 0.980 1.266
H2 -1.805 0.980 -1.266
H3 -1.213 -0.756 -1.262
H4 -1.213 -0.756 1.262
H5 0.241 1.690 0.000
C6 0.000 0.634 0.000
N7 2.027 -0.975 0.000
C8 1.117 -0.250 0.000
C9 -1.258 0.198 0.754
C10 -1.258 0.198 -0.754

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.53113.12281.83402.50852.23144.48463.41371.08232.2338
H22.53111.83403.12282.50852.23144.48463.41372.23381.0823
H33.12281.83402.52403.11292.23533.48442.69782.23111.0817
H41.83403.12282.52403.11292.23533.48442.69781.08172.2311
H52.50852.50853.11293.11291.08313.20872.12882.24562.2456
C62.23142.23142.23532.23531.08312.58861.42471.53041.5304
N74.48464.48463.48443.48443.20872.58861.16393.56953.5695
C83.41373.41372.69782.69782.12881.42471.16392.53222.5322
C91.08232.23382.23111.08172.24561.53043.56952.53221.5086
C102.23381.08231.08172.23112.24561.53043.56952.53221.5086

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.876 H1 C9 C6 116.257
H1 C9 C10 118.188 H2 C10 H3 115.876
H2 C10 C6 116.257 H2 C10 C9 118.188
H3 C10 C6 116.634 H3 C10 C9 117.992
H4 C9 C6 116.634 H4 C9 C10 117.992
H5 C6 C8 115.502 H5 C6 C9 117.437
H5 C6 C10 117.437 C6 C8 N7 179.821
C6 C9 C10 60.471 C6 C10 C9 60.471
C8 C6 C9 117.891 C8 C6 C10 117.891
C9 C6 C10 59.059
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.252      
2 H 0.252      
3 H 0.261      
4 H 0.261      
5 H 0.284      
6 C -0.368      
7 N -0.504      
8 C 0.381      
9 C -0.409      
10 C -0.409      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.446 2.094 0.000 4.032
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.681 3.238 0.000
y 3.238 -28.949 0.000
z 0.000 0.000 -29.023
Traceless
 xyz
x -6.695 3.238 0.000
y 3.238 3.402 0.000
z 0.000 0.000 3.292
Polar
3z2-r26.584
x2-y2-6.731
xy3.238
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> 113.326
(<r2>)1/2 10.645