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All results from a given calculation for C5H6 (3-Penten-1-yne, (E)-)

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-193.430970
Energy at 298.15K-193.435272
HF Energy-192.746836
Nuclear repulsion energy138.024505
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 MP3=FULL/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' 3535 3316 57.81      
2 A' 3221 3022 22.29      
3 A' 3215 3016 3.19      
4 A' 3182 2986 13.16      
5 A' 3095 2904 20.59      
6 A' 2282 2141 0.13      
7 A' 1771 1662 0.80      
8 A' 1553 1457 9.72      
9 A' 1478 1387 1.88      
10 A' 1373 1288 1.66      
11 A' 1358 1275 1.10      
12 A' 1169 1096 0.39      
13 A' 1075 1009 8.14      
14 A' 943 884 5.40      
15 A' 623 585 49.05      
16 A' 552 518 0.85      
17 A' 395 371 1.47      
18 A' 175 165 0.90      
19 A" 3159 2964 17.38      
20 A" 1538 1443 7.38      
21 A" 1103 1035 0.28      
22 A" 1002 940 38.62      
23 A" 809 759 0.73      
24 A" 547 513 45.31      
25 A" 417 391 7.45      
26 A" 194 182 0.18      
27 A" 169 159 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 19966.2 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 18734.3 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 MP3=FULL/6-31G*
ABC
1.28411 0.07478 0.07160

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.337 -0.415 0.000
H2 -2.769 -0.901 0.882
H3 -2.769 -0.901 -0.882
H4 -2.643 0.635 0.000
C5 -0.843 -0.543 0.000
H6 -0.438 -1.554 0.000
C7 0.000 0.499 0.000
H8 -0.385 1.518 0.000
C9 1.429 0.357 0.000
C10 2.636 0.276 0.000
H11 3.696 0.156 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.09581.09581.09381.49902.21452.50912.74703.84425.02046.0594
H21.09581.76371.77572.14822.57683.22573.50904.47055.60156.6097
H31.09581.76371.77572.14822.57683.22573.50904.47055.60156.6097
H41.09381.77571.77572.15083.10722.64642.42444.08145.29086.3567
C51.49902.14822.14822.15081.08941.34022.11112.44403.57424.5924
H62.21452.57682.57683.10721.08942.09883.07222.67133.57704.4729
C72.50913.22573.22572.64641.34022.09881.08931.43612.64523.7116
H82.74703.50903.50902.42442.11113.07221.08932.15373.26604.3020
C93.84424.47054.47054.08142.44402.67131.43612.15371.20942.2755
C105.02045.60155.60155.29083.57423.57702.64523.26601.20941.0667
H116.05946.60976.60976.35674.59244.47293.71164.30202.27551.0667

picture of 3-Penten-1-yne, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 116.755 C1 C5 C7 124.102
H2 C1 H3 107.174 H2 C1 H4 108.381
H2 C1 C5 110.814 H3 C1 H4 108.381
H3 C1 C5 110.814 H4 C1 C5 111.141
C5 C7 H8 120.316 C5 C7 C9 123.322
H6 C5 C7 119.143 C7 C9 C10 178.159
H8 C7 C9 116.362 C9 C10 H11 177.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability