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All results from a given calculation for C5H8 (Ethenylcyclopropane)

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-194.173080
Energy at 298.15K-194.181319
HF Energy-194.173080
Nuclear repulsion energy162.842391
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' 3290 3124 9.94      
2 A' 3266 3101 13.77      
3 A' 3217 3055 4.61      
4 A' 3193 3032 6.34      
5 A' 3181 3021 3.67      
6 A' 3157 2997 8.02      
7 A' 1732 1645 27.54      
8 A' 1533 1456 2.42      
9 A' 1519 1442 0.32      
10 A' 1381 1311 1.14      
11 A' 1372 1303 1.07      
12 A' 1270 1206 2.95      
13 A' 1201 1141 2.26      
14 A' 1087 1033 15.50      
15 A' 1050 997 5.18      
16 A' 958 910 39.00      
17 A' 836 794 1.96      
18 A' 793 753 0.76      
19 A' 461 438 1.73      
20 A' 275 261 0.86      
21 A" 3273 3108 0.03      
22 A" 3188 3027 12.44      
23 A" 1513 1437 6.16      
24 A" 1218 1157 1.35      
25 A" 1157 1099 1.90      
26 A" 1117 1061 16.99      
27 A" 1048 996 4.90      
28 A" 964 915 55.29      
29 A" 933 886 14.57      
30 A" 833 791 14.38      
31 A" 695 660 6.21      
32 A" 324 307 2.07      
33 A" 120 114 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 25576.2 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 24287.2 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 mPW1PW91/3-21G*
ABC
0.50143 0.10213 0.09813

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)
C1 -0.413 0.283 0.000
C2 0.253 -1.029 0.000
C3 -0.368 -2.207 0.000
C4 0.253 1.432 0.756
C5 0.253 1.432 -0.756
H6 -1.497 0.262 0.000
H7 1.342 -0.993 0.000
H8 0.183 -3.141 0.000
H9 -1.452 -2.280 0.000
H10 -0.397 2.133 1.265
H11 1.182 1.210 1.266
H12 -0.397 2.133 -1.265
H13 1.182 1.210 -1.266

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47162.49111.52801.52801.08412.17043.47562.76512.24092.23782.24092.2378
C21.47161.33192.57452.57452.17451.08992.11292.11373.46722.73523.46722.7352
C32.49111.33193.76853.76852.71522.09731.08391.08564.52123.96084.52123.9608
C41.52802.57453.76851.51262.23672.76414.63534.15341.08281.08312.23572.2366
C51.52802.57453.76851.51262.23672.76414.63534.15342.23572.23661.08281.0831
H61.08412.17452.71522.23672.23673.10433.79482.54182.51233.11162.51233.1116
H72.17041.08992.09732.76412.76413.10432.44033.07533.79462.54633.79462.5463
H83.47562.11291.08394.63534.63533.79482.44031.84735.45444.64055.45444.6405
H92.76512.11371.08564.15344.15342.54183.07531.84734.70994.55184.70994.5518
H102.24093.46724.52121.08282.23572.51233.79465.45444.70991.82932.52933.1224
H112.23782.73523.96081.08312.23663.11162.54634.64054.55181.82933.12242.5315
H122.24093.46724.52122.23571.08282.51233.79465.45444.70992.52933.12241.8293
H132.23782.73523.96082.23661.08313.11162.54634.64054.55183.12242.53151.8293

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.311 C1 C2 H7 115.028
C1 C4 C5 60.332 C1 C4 H10 117.240
C1 C4 H11 116.951 C1 C5 C4 60.332
C1 C5 H12 117.240 C1 C5 H13 116.951
C2 C1 C4 118.236 C2 C1 C5 118.236
C2 C1 H6 115.774 C2 C3 H8 121.661
C2 C3 H9 121.594 C3 C2 H7 119.662
C4 C1 H6 116.782 C4 C5 H12 117.999
C4 C5 H13 118.059 C5 C1 H6 116.782
C5 C4 H10 117.999 C5 C4 H11 118.059
H8 C3 H9 116.745 H10 C4 H11 115.263
H12 C5 H13 115.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.374      
2 C -0.139      
3 C -0.437      
4 C -0.416      
5 C -0.416      
6 H 0.228      
7 H 0.207      
8 H 0.208      
9 H 0.204      
10 H 0.235      
11 H 0.232      
12 H 0.235      
13 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.045 0.519 0.000 0.521
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.004 -1.017 0.000
y -1.017 -30.816 0.000
z 0.000 0.000 -33.677
Traceless
 xyz
x 3.242 -1.017 0.000
y -1.017 0.525 0.000
z 0.000 0.000 -3.767
Polar
3z2-r2-7.533
x2-y21.811
xy-1.017
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.465 0.821 0.000
y 0.821 9.843 0.000
z 0.000 0.000 4.818


<r2> (average value of r2) Å2
<r2> 133.836
(<r2>)1/2 11.569