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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-193.491237
Energy at 298.15K-193.496406
HF Energy-192.792187
Nuclear repulsion energy147.603783
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/TZVP
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 3514 3331 65.43      
2 A 3306 3133 8.00      
3 A 3223 3055 3.88      
4 A 3199 3033 3.87      
5 A 2154 2042 9.61      
6 A 1534 1454 0.75      
7 A 1400 1327 4.01      
8 A 1240 1175 0.81      
9 A 1158 1098 0.35      
10 A 1105 1047 8.64      
11 A 983 932 19.19      
12 A 834 791 1.06      
13 A 775 735 2.96      
14 A 637 604 50.38      
15 A 493 468 4.60      
16 A 188 178 1.38      
17 A 3292 3121 0.16      
18 A 3195 3028 10.93      
19 A 1498 1420 1.93      
20 A 1229 1165 0.70      
21 A 1151 1091 2.05      
22 A 1111 1053 5.45      
23 A 923 875 2.83      
24 A 850 806 10.38      
25 A 577 547 53.03      
26 A 505 478 1.09      
27 A 193 183 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 20133.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 19084.2 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 MP2/TZVP
ABC
0.52696 0.11221 0.10679

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.624 0.156 0.000
C2 -0.563 0.970 0.000
H3 1.553 0.710 0.000
C4 0.624 -1.155 0.748
C5 0.624 -1.155 -0.748
C6 -1.572 1.645 0.000
H7 -2.453 2.238 0.000
H8 1.533 -1.431 1.262
H9 -0.292 -1.431 1.252
H10 1.533 -1.431 -1.262
H11 -0.292 -1.431 -1.252

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43841.08211.50921.50922.65313.71492.22252.21892.22252.2189
C21.43842.13172.54562.54561.21482.27663.42772.72103.42772.7210
H31.08212.13172.21372.21373.26254.28802.48533.09092.48533.0909
C41.50922.54562.21371.49563.63614.64091.08091.08072.22342.2164
C51.50922.54562.21371.49563.63614.64092.22342.21641.08091.0807
C62.65311.21483.26253.63613.63611.06184.54973.55954.54973.5595
H73.71492.27664.28804.64094.64091.06185.56304.43875.56304.4387
H82.22253.42772.48531.08092.22344.54975.56301.82492.52433.1065
H92.21892.72103.09091.08072.21643.55954.43871.82493.10652.5037
H102.22253.42772.48532.22341.08094.54975.56302.52433.10651.8249
H112.21892.72103.09092.21641.08073.55954.43873.10652.50371.8249

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.331 C1 C4 C5 60.298
C1 C4 H8 117.242 C1 C4 H9 116.940
C1 C5 C4 60.298 C1 C5 H10 117.242
C1 C5 H11 116.940 C2 C1 H3 114.775
C2 C1 C4 119.430 C2 C1 C5 119.430
C2 C6 H7 179.831 H3 C1 C4 116.388
H3 C1 C5 116.388 C4 C1 C5 59.404
C4 C5 H10 118.414 C4 C5 H11 117.800
C5 C4 H8 118.414 C5 C4 H9 117.800
H8 C4 H9 115.181 H10 C5 H11 115.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability