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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: CCSD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-194.656235
Energy at 298.15K-194.664379
HF Energy-193.937981
Nuclear repulsion energy162.285515
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 CCSD(T)/6-31G*
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' 3241 3118        
2 A' 3240 3118        
3 A' 3160 3040        
4 A' 3158 3038        
5 A' 3153 3034        
6 A' 3131 3012        
7 A' 1715 1650        
8 A' 1551 1492        
9 A' 1497 1440        
10 A' 1381 1329        
11 A' 1334 1284        
12 A' 1258 1211        
13 A' 1242 1195        
14 A' 1096 1055        
15 A' 1026 987        
16 A' 983 946        
17 A' 840 809        
18 A' 785 755        
19 A' 445 429        
20 A' 271 261        
21 A" 3227 3105        
22 A" 3148 3029        
23 A" 1508 1450        
24 A" 1224 1177        
25 A" 1153 1110        
26 A" 1097 1055        
27 A" 1000 962        
28 A" 944 908        
29 A" 887 853        
30 A" 848 816        
31 A" 667 642        
32 A" 314 302        
33 A" 114 110        

Unscaled Zero Point Vibrational Energy (zpe) 25319.0 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 24359.4 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 CCSD(T)/6-31G*
ABC
0.50207 0.10094 0.09710

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.388 0.290 0.000
C2 0.259 -1.045 0.000
C3 -0.407 -2.213 0.000
C4 0.259 1.439 0.753
C5 0.259 1.439 -0.753
H6 -1.480 0.272 0.000
H7 1.355 -1.050 0.000
H8 0.114 -3.169 0.000
H9 -1.497 -2.250 0.000
H10 -0.393 2.138 1.273
H11 1.198 1.235 1.266
H12 -0.393 2.138 -1.273
H13 1.198 1.235 -1.266

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48322.50311.51811.51811.09192.19783.49542.77142.24452.23922.24452.2392
C21.48321.34482.59512.59512.18111.09532.12942.12993.48982.77243.48982.7724
C32.50311.34483.78763.78762.70682.11091.08901.09084.53384.00934.53384.0093
C41.51812.59513.78761.50502.22502.82114.67134.15411.08911.08972.24032.2359
C51.51812.59513.78761.50502.22502.82114.67134.15412.24032.23591.08911.0897
H61.09192.18112.70682.22502.22503.12723.79252.52202.50693.11512.50693.1151
H72.19781.09532.11092.82112.82113.12722.45573.09383.85212.61743.85212.6174
H83.49542.12941.08904.67134.67133.79252.45571.85525.48164.70985.48164.7098
H92.77142.12991.09084.15414.15412.52203.09381.85524.70064.58454.70064.5845
H102.24453.48984.53381.08912.24032.50693.85215.48164.70061.82972.54693.1302
H112.23922.77244.00931.08972.23593.11512.61744.70984.58451.82973.13022.5326
H122.24453.48984.53382.24031.08912.50693.85215.48164.70062.54693.13021.8297
H132.23922.77244.00932.23591.08973.11512.61744.70984.58453.13022.53261.8297

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.452 C1 C2 H7 116.117
C1 C4 C5 60.285 C1 C4 H10 117.896
C1 C4 H11 117.383 C1 C5 C4 60.285
C1 C5 H12 117.896 C1 C5 H13 117.383
C2 C1 C4 119.677 C2 C1 C5 119.677
C2 C1 H6 114.923 C2 C3 H8 121.716
C2 C3 H9 121.618 C3 C2 H7 119.431
C4 C1 H6 116.006 C4 C5 H12 118.577
C4 C5 H13 118.129 C5 C1 H6 116.006
C5 C4 H10 118.577 C5 C4 H11 118.129
H8 C3 H9 116.665 H10 C4 H11 114.235
H12 C5 H13 114.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability