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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-193.681590
Energy at 298.15K-193.686819
HF Energy-192.798599
Nuclear repulsion energy148.227335
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/cc-pVTZ
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' 3507 3330 69.40      
2 A' 3301 3134 4.33      
3 A' 3224 3061 2.65      
4 A' 3210 3048 2.79      
5 A' 2160 2051 11.00      
6 A' 1524 1447 1.00      
7 A' 1402 1331 2.86      
8 A' 1242 1179 0.91      
9 A' 1152 1094 0.51      
10 A' 1059 1006 8.05      
11 A' 992 941 20.69      
12 A' 828 786 1.07      
13 A' 772 733 1.89      
14 A' 646 614 42.94      
15 A' 496 471 5.88      
16 A' 192 182 1.15      
17 A" 3288 3122 0.21      
18 A" 3205 3043 8.29      
19 A" 1487 1412 2.94      
20 A" 1214 1152 0.80      
21 A" 1132 1075 1.83      
22 A" 1078 1023 5.77      
23 A" 921 874 3.28      
24 A" 845 802 8.12      
25 A" 623 591 45.50      
26 A" 516 490 1.96      
27 A" 209 198 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 20113.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 19095.4 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 MP2=FULL/cc-pVTZ
ABC
0.53356 0.11306 0.10747

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.618 0.152 0.000
C2 -0.562 0.961 0.000
H3 1.542 0.702 0.000
C4 0.618 -1.154 0.746
C5 0.618 -1.154 -0.746
C6 -1.554 1.654 0.000
H7 -2.424 2.253 0.000
H8 1.524 -1.428 1.257
H9 -0.292 -1.425 1.251
H10 1.524 -1.428 -1.257
H11 -0.292 -1.425 -1.251

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43031.07611.50461.50462.64103.69662.21292.20892.21292.2089
C21.43032.12022.53442.53441.21082.26643.41122.70733.41122.7073
H31.07612.12022.20442.20443.24004.25892.47343.07492.47343.0749
C41.50462.53442.20441.49273.62834.62791.07521.07502.21532.2116
C51.50462.53442.20441.49273.62834.62792.21532.21161.07521.0750
C62.64101.21083.24003.62833.62831.05564.53383.55514.53383.5551
H73.69662.26644.25894.62794.62791.05565.54184.43105.54184.4310
H82.21293.41122.47341.07522.21534.53385.54181.81582.51333.0962
H92.20892.70733.07491.07502.21163.55514.43101.81583.09622.5024
H102.21293.41122.47342.21531.07524.53385.54182.51333.09621.8158
H112.20892.70733.07492.21161.07503.55514.43103.09622.50241.8158

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.507 C1 C4 C5 60.262
C1 C4 H8 117.159 C1 C4 H9 116.820
C1 C5 C4 60.262 C1 C5 H10 117.159
C1 C5 H11 116.820 C2 C1 H3 114.809
C2 C1 C4 119.414 C2 C1 C5 119.414
C2 C6 H7 179.594 H3 C1 C4 116.354
H3 C1 C5 116.354 C4 C1 C5 59.477
C4 C5 H10 118.333 C4 C5 H11 118.008
C5 C4 H8 118.333 C5 C4 H9 118.008
H8 C4 H9 115.231 H10 C5 H11 115.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability