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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-191.885641
Energy at 298.15K-191.893663
HF Energy-191.599748
Nuclear repulsion energy160.210725
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 MP2=FULL/STO-3G
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' 3615 3213 0.34      
2 A' 3612 3211 0.05      
3 A' 3506 3117 3.39      
4 A' 3502 3113 0.77      
5 A' 3460 3076 0.42      
6 A' 3458 3074 11.01      
7 A' 1823 1620 1.40      
8 A' 1679 1492 0.86      
9 A' 1621 1441 0.89      
10 A' 1488 1323 4.01      
11 A' 1424 1266 5.89      
12 A' 1340 1191 0.11      
13 A' 1323 1176 2.18      
14 A' 1265 1124 3.91      
15 A' 1096 974 2.36      
16 A' 1080 960 3.40      
17 A' 886 788 0.03      
18 A' 854 759 0.02      
19 A' 461 410 0.16      
20 A' 279 248 0.47      
21 A" 3608 3207 0.00      
22 A" 3451 3068 1.39      
23 A" 1639 1457 0.15      
24 A" 1331 1183 0.02      
25 A" 1290 1146 0.02      
26 A" 1242 1104 0.25      
27 A" 1134 1008 2.71      
28 A" 1079 959 4.39      
29 A" 984 874 12.92      
30 A" 924 821 0.97      
31 A" 715 636 1.82      
32 A" 329 293 0.38      
33 A" 102 90 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 27797.6 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 24709.3 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 MP2=FULL/STO-3G
ABC
0.48984 0.09806 0.09436

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.390 0.295 0.000
C2 0.264 -1.075 0.000
C3 -0.419 -2.239 0.000
C4 0.264 1.460 0.763
C5 0.264 1.460 -0.763
H6 -1.491 0.276 0.000
H7 1.367 -1.085 0.000
H8 0.096 -3.208 0.000
H9 -1.517 -2.262 0.000
H10 -0.395 2.167 1.284
H11 1.216 1.265 1.276
H12 -0.395 2.167 -1.284
H13 1.216 1.265 -1.276

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51872.53411.53891.53891.10112.23473.53702.79452.27012.26892.27012.2689
C21.51871.34962.64762.64762.21561.10252.13972.14083.54902.82983.54902.8298
C32.53411.34963.83813.83812.73402.12611.09801.09834.58934.07134.58934.0713
C41.53892.64763.83811.52632.25092.87704.73324.19651.09811.09822.26422.2586
C51.53892.64763.83811.52632.25092.87704.73324.19652.26422.25861.09811.0982
H61.10112.21562.73402.25092.25093.16603.82922.53842.53523.15172.53523.1517
H72.23471.10252.12612.87702.87703.16602.47403.11493.91552.67853.91552.6785
H83.53702.13971.09804.73324.73323.82922.47401.87055.54834.78425.54834.7842
H92.79452.14081.09834.19654.19652.53843.11491.87054.74624.64064.74624.6406
H102.27013.54904.58931.09812.26422.53523.91555.54834.74621.84602.56873.1564
H112.26892.82984.07131.09822.25863.15172.67854.78424.64061.84603.15642.5520
H122.27013.54904.58932.26421.09812.53523.91555.54834.74622.56873.15641.8460
H132.26892.82984.07132.25861.09823.15172.67854.78424.64063.15642.55201.8460

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.024 C1 C2 H7 116.077
C1 C4 C5 60.270 C1 C4 H10 117.858
C1 C4 H11 117.744 C1 C5 C4 60.270
C1 C5 H12 117.858 C1 C5 H13 117.744
C2 C1 C4 119.968 C2 C1 C5 119.968
C2 C1 H6 114.560 C2 C3 H8 121.562
C2 C3 H9 121.647 C3 C2 H7 119.899
C4 C1 H6 116.004 C4 C5 H12 118.335
C4 C5 H13 117.838 C5 C1 H6 116.004
C5 C4 H10 118.335 C5 C4 H11 117.838
H8 C3 H9 116.791 H10 C4 H11 114.381
H12 C5 H13 114.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability