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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: QCISD(T)=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-194.761444
Energy at 298.15K-194.769613
HF Energy-193.958345
Nuclear repulsion energy162.601828
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/6-31+G**
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 3290        
2 A' 3286 3286        
3 A' 3203 3203        
4 A' 3197 3197        
5 A' 3191 3191        
6 A' 3176 3176        
7 A' 1708 1708        
8 A' 1553 1553        
9 A' 1502 1502        
10 A' 1378 1378        
11 A' 1332 1332        
12 A' 1256 1256        
13 A' 1237 1237        
14 A' 1099 1099        
15 A' 1025 1025        
16 A' 978 978        
17 A' 840 840        
18 A' 785 785        
19 A' 443 443        
20 A' 269 269        
21 A" 3272 3272        
22 A" 3185 3185        
23 A" 1511 1511        
24 A" 1225 1225        
25 A" 1156 1156        
26 A" 1102 1102        
27 A" 1002 1002        
28 A" 939 939        
29 A" 882 882        
30 A" 847 847        
31 A" 667 667        
32 A" 317 317        
33 A" 114 114        

Unscaled Zero Point Vibrational Energy (zpe) 25482.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25482.2 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 QCISD(T)=FULL/6-31+G**
ABC
0.50397 0.10123 0.09736

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.390 0.290 0.000
C2 0.259 -1.042 0.000
C3 -0.405 -2.213 0.000
C4 0.259 1.436 0.753
C5 0.259 1.436 -0.753
H6 -1.475 0.273 0.000
H7 1.347 -1.044 0.000
H8 0.120 -3.159 0.000
H9 -1.488 -2.249 0.000
H10 -0.390 2.134 1.267
H11 1.193 1.231 1.261
H12 -0.390 2.134 -1.267
H13 1.193 1.231 -1.261

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48112.50321.51711.51711.08522.19053.48702.76612.23702.23162.23702.2316
C21.48111.34642.58982.58982.17541.08872.12242.12353.47972.76153.47972.7615
C32.50321.34643.78503.78502.70632.10631.08221.08414.52774.00044.52774.0004
C41.51712.58983.78501.50562.21962.81164.65924.14711.08241.08312.23312.2292
C51.51712.58983.78501.50562.21962.81164.65924.14712.23312.22921.08241.0831
H61.08522.17542.70632.21962.21963.11443.78462.52132.49923.10252.49923.1025
H72.19051.08872.10632.81162.81163.11442.44543.08093.83702.60553.83702.6055
H83.48702.12241.08224.65924.65923.78462.44541.84865.46654.69205.46654.6920
H92.76612.12351.08414.14714.14712.52133.08091.84864.69224.57014.69224.5701
H102.23703.47974.52771.08242.23312.49923.83705.46654.69221.82252.53393.1161
H112.23162.76154.00041.08312.22923.10252.60554.69204.57011.82253.11612.5213
H122.23703.47974.52772.23311.08242.49923.83705.46654.69222.53393.11611.8225
H132.23162.76154.00042.22921.08313.10252.60554.69204.57013.11612.52131.8225

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.508 C1 C2 H7 116.107
C1 C4 C5 60.250 C1 C4 H10 117.791
C1 C4 H11 117.262 C1 C5 C4 60.250
C1 C5 H12 117.791 C1 C5 H13 117.262
C2 C1 C4 119.480 C2 C1 C5 119.480
C2 C1 H6 115.046 C2 C3 H8 121.454
C2 C3 H9 121.402 C3 C2 H7 119.385
C4 C1 H6 116.082 C4 C5 H12 118.361
C4 C5 H13 117.960 C5 C1 H6 116.082
C5 C4 H10 118.361 C5 C4 H11 117.960
H8 C3 H9 117.145 H10 C4 H11 114.622
H12 C5 H13 114.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability