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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: QCISD(T)=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 QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-194.735040
Energy at 298.15K-194.743149
HF Energy-193.953193
Nuclear repulsion energy161.462043
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 QCISD(T)=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' 3251 3118        
2 A' 3250 3117        
3 A' 3169 3039        
4 A' 3157 3028        
5 A' 3152 3023        
6 A' 3140 3012        
7 A' 1698 1629        
8 A' 1508 1446        
9 A' 1462 1402        
10 A' 1349 1293        
11 A' 1299 1246        
12 A' 1231 1181        
13 A' 1216 1166        
14 A' 1056 1012        
15 A' 997 956        
16 A' 968 928        
17 A' 823 789        
18 A' 762 731        
19 A' 438 420        
20 A' 264 253        
21 A" 3236 3103        
22 A" 3145 3016        
23 A" 1455 1395        
24 A" 1189 1141        
25 A" 1122 1076        
26 A" 1062 1018        
27 A" 997 956        
28 A" 922 884        
29 A" 887 851        
30 A" 826 792        
31 A" 661 634        
32 A" 311 298        
33 A" 117 112        

Unscaled Zero Point Vibrational Energy (zpe) 25058.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 24031.3 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.49578 0.10010 0.09630

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.395 0.291 0.000
C2 0.260 -1.046 0.000
C3 -0.403 -2.225 0.000
C4 0.260 1.444 0.758
C5 0.260 1.444 -0.758
H6 -1.492 0.272 0.000
H7 1.362 -1.045 0.000
H8 0.134 -3.181 0.000
H9 -1.501 -2.263 0.000
H10 -0.399 2.150 1.277
H11 1.205 1.233 1.271
H12 -0.399 2.150 -1.277
H13 1.205 1.233 -1.271

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48832.51631.52711.52711.09772.20693.51172.78362.25472.25022.25472.2502
C21.48831.35322.60242.60242.19191.10192.13872.14083.50312.77513.50312.7751
C32.51631.35323.80493.80492.72392.12321.09631.09834.55724.02014.55724.0201
C41.52712.60243.80491.51532.24032.82564.68804.17371.09571.09662.25162.2484
C51.52712.60243.80491.51532.24032.82564.68804.17372.25162.24841.09571.0966
H61.09772.19192.72392.24032.24033.14303.81622.53492.52053.13332.52053.1333
H72.20691.10192.12322.82562.82563.14302.46313.11103.86442.61323.86442.6132
H83.51172.13871.09634.68804.68803.81622.46311.87505.50674.71605.50674.7160
H92.78362.14081.09834.17374.17372.53493.11101.87504.72424.60034.72424.6003
H102.25473.50314.55721.09572.25162.52053.86445.50674.72421.84752.55343.1472
H112.25022.77514.02011.09662.24843.13332.61324.71604.60031.84753.14722.5425
H122.25473.50314.55722.25161.09572.52053.86445.50674.72422.55343.14721.8475
H132.25022.77514.02012.24841.09663.13332.61324.71604.60033.14722.54251.8475

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.570 C1 C2 H7 116.062
C1 C4 C5 60.256 C1 C4 H10 117.612
C1 C4 H11 117.159 C1 C5 C4 60.256
C1 C5 H12 117.612 C1 C5 H13 117.159
C2 C1 C4 119.313 C2 C1 C5 119.313
C2 C1 H6 115.073 C2 C3 H8 121.289
C2 C3 H9 121.330 C3 C2 H7 119.368
C4 C1 H6 116.233 C4 C5 H12 118.275
C4 C5 H13 117.930 C5 C1 H6 116.233
C5 C4 H10 118.275 C5 C4 H11 117.930
H8 C3 H9 117.380 H10 C4 H11 114.859
H12 C5 H13 114.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability