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 C5H8 (Ethenylcyclopropane)

using model chemistry: MP3=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-194.700654
Energy at 298.15K-194.708847
HF Energy-193.954463
Nuclear repulsion energy161.961321
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 MP3=FULL/cc-pVDZ
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' 3296 3099 16.15      
2 A' 3293 3097 13.18      
3 A' 3216 3024 8.03      
4 A' 3202 3011 1.96      
5 A' 3196 3005 10.87      
6 A' 3187 2997 8.16      
7 A' 1749 1644 17.42      
8 A' 1531 1440 1.12      
9 A' 1481 1392 0.12      
10 A' 1374 1292 0.73      
11 A' 1320 1241 3.63      
12 A' 1248 1173 2.39      
13 A' 1236 1162 2.34      
14 A' 1076 1012 1.21      
15 A' 1011 951 2.42      
16 A' 986 927 32.07      
17 A' 836 786 1.17      
18 A' 775 728 0.22      
19 A' 447 420 0.91      
20 A' 268 252 1.12      
21 A" 3279 3084 0.12      
22 A" 3189 2998 14.75      
23 A" 1472 1384 1.17      
24 A" 1206 1134 0.70      
25 A" 1140 1072 1.66      
26 A" 1082 1018 3.16      
27 A" 1025 964 10.39      
28 A" 946 889 9.45      
29 A" 923 868 34.96      
30 A" 841 790 5.13      
31 A" 677 637 4.51      
32 A" 315 296 0.90      
33 A" 118 111 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 25468.2 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 23947.8 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 MP3=FULL/cc-pVDZ
ABC
0.49878 0.10069 0.09686

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.393 0.291 0.000
C2 0.259 -1.046 0.000
C3 -0.401 -2.217 0.000
C4 0.259 1.440 0.756
C5 0.259 1.440 -0.756
H6 -1.487 0.272 0.000
H7 1.357 -1.045 0.000
H8 0.133 -3.170 0.000
H9 -1.496 -2.255 0.000
H10 -0.398 2.143 1.273
H11 1.202 1.232 1.267
H12 -0.398 2.143 -1.273
H13 1.202 1.232 -1.267

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48692.50761.52231.52231.09402.20203.50082.77382.24812.24422.24812.2442
C21.48691.34432.59822.59822.18701.09832.12832.13043.49602.77173.49602.7717
C32.50761.34433.79223.79222.71512.11271.09291.09494.54244.00864.54244.0086
C41.52232.59823.79221.51112.23262.82064.67374.15941.09231.09322.24532.2418
C51.52232.59823.79221.51112.23262.82064.67374.15942.24532.24181.09231.0932
H61.09402.18702.71512.23262.23263.13433.80422.52632.51243.12402.51243.1240
H72.20201.09832.11272.82062.82063.13432.45203.09823.85602.61073.85602.6107
H83.50082.12831.09294.67374.67373.80422.45201.86845.48984.70385.48984.7038
H92.77382.13041.09494.15944.15942.52633.09821.86844.70854.58664.70854.5866
H102.24813.49604.54241.09232.24532.51243.85605.48984.70851.84112.54673.1377
H112.24422.77174.00861.09322.24183.12402.61074.70384.58661.84113.13772.5349
H122.24813.49604.54242.24531.09232.51243.85605.48984.70852.54673.13771.8411
H132.24422.77174.00862.24181.09323.12402.61074.70384.58663.13772.53491.8411

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.597 C1 C2 H7 115.996
C1 C4 C5 60.243 C1 C4 H10 117.649
C1 C4 H11 117.251 C1 C5 C4 60.243
C1 C5 H12 117.649 C1 C5 H13 117.251
C2 C1 C4 119.396 C2 C1 C5 119.396
C2 C1 H6 115.007 C2 C3 H8 121.332
C2 C3 H9 121.376 C3 C2 H7 119.407
C4 C1 H6 116.195 C4 C5 H12 118.294
C4 C5 H13 117.919 C5 C1 H6 116.195
C5 C4 H10 118.294 C5 C4 H11 117.919
H8 C3 H9 117.292 H10 C4 H11 114.783
H12 C5 H13 114.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability