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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-194.114861
Energy at 298.15K-194.120108
HF Energy-194.114861
Nuclear repulsion energy147.650738
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 B3LYP/aug-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' 3469 3356 78.90      
2 A' 3229 3124 10.40      
3 A' 3146 3044 5.34      
4 A' 3138 3036 6.14      
5 A' 2213 2142 31.06      
6 A' 1503 1455 1.04      
7 A' 1383 1339 3.54      
8 A' 1214 1175 0.61      
9 A' 1139 1102 0.40      
10 A' 1059 1025 6.19      
11 A' 962 931 21.34      
12 A' 814 788 0.98      
13 A' 755 730 3.09      
14 A' 688 665 41.94      
15 A' 506 490 10.79      
16 A' 204 198 1.64      
17 A" 3215 3110 0.13      
18 A" 3135 3033 16.41      
19 A" 1472 1424 2.72      
20 A" 1203 1164 0.87      
21 A" 1117 1080 0.73      
22 A" 1083 1048 5.38      
23 A" 893 864 1.68      
24 A" 820 793 9.04      
25 A" 630 610 49.48      
26 A" 522 505 3.98      
27 A" 210 203 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 19860.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 19215.5 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 B3LYP/aug-cc-pVTZ
ABC
0.53391 0.11172 0.10603

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.611 0.151 0.000
C2 -0.559 0.979 0.000
H3 1.548 0.693 0.000
C4 0.611 -1.170 0.748
C5 0.611 -1.170 -0.748
C6 -1.539 1.672 0.000
H7 -2.396 2.298 0.000
H8 1.520 -1.440 1.267
H9 -0.301 -1.443 1.257
H10 1.520 -1.440 -1.267
H11 -0.301 -1.443 -1.257

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43331.08221.51771.51772.63403.69462.22722.22552.22722.2255
C21.43332.12592.55812.55811.20072.26133.43132.74073.43132.7407
H31.08222.12592.21522.21523.23824.25722.48113.09212.48113.0921
C41.51772.55812.21521.49613.64134.65011.08051.07972.22682.2199
C51.51772.55812.21521.49613.64134.65012.22682.21991.08051.0797
C62.63401.20073.23823.64133.64131.06074.54373.58034.54373.5803
H73.69462.26134.25724.65014.65011.06075.55914.46795.55914.4679
H82.22723.43132.48111.08052.22684.54375.55911.82052.53393.1122
H92.22552.74073.09211.07972.21993.58034.46791.82053.11222.5145
H102.22723.43132.48112.22681.08054.54375.55912.53393.11221.8205
H112.22552.74073.09212.21991.07973.58034.46793.11222.51451.8205

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.984 C1 C4 C5 60.469
C1 C4 H8 117.013 C1 C4 H9 116.921
C1 C5 C4 60.469 C1 C5 H10 117.013
C1 C5 H11 116.921 C2 C1 H3 114.647
C2 C1 C4 120.163 C2 C1 C5 120.163
C2 C6 H7 179.150 H3 C1 C4 115.855
H3 C1 C5 115.855 C4 C1 C5 59.061
C4 C5 H10 118.702 C4 C5 H11 118.140
C5 C4 H8 118.702 C5 C4 H9 118.140
H8 C4 H9 114.858 H10 C5 H11 114.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability