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

using model chemistry: MP3=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-193.493178
Energy at 298.15K-193.497553
HF Energy-192.764385
Nuclear repulsion energy141.163054
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/6-31+G**
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' 3554 3311 60.45      
2 A' 3279 3055 19.36      
3 A' 3256 3034 7.27      
4 A' 3232 3011 5.21      
5 A' 3125 2911 20.47      
6 A' 2261 2107 1.43      
7 A' 1750 1630 3.11      
8 A' 1542 1436 6.89      
9 A' 1485 1383 4.15      
10 A' 1446 1347 6.18      
11 A' 1299 1210 0.00      
12 A' 1154 1075 0.19      
13 A' 994 926 14.80      
14 A' 926 863 1.70      
15 A' 669 623 20.57      
16 A' 649 605 37.48      
17 A' 378 352 6.51      
18 A' 158 148 0.52      
19 A" 3192 2974 16.71      
20 A" 1535 1430 6.70      
21 A" 1092 1017 3.56      
22 A" 982 915 0.19      
23 A" 749 698 21.99      
24 A" 587 547 87.10      
25 A" 436 406 0.31      
26 A" 255 238 1.46      
27 A" 124 115 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 20054.8 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 18683.1 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/6-31+G**
ABC
0.39802 0.11110 0.08827

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.191 -0.905 0.000
C2 2.265 -0.385 0.000
C3 1.204 0.200 0.000
H4 0.137 2.060 0.000
C5 0.000 0.987 0.000
H6 -2.071 1.167 0.000
C7 -1.241 0.472 0.000
H8 -0.700 -1.605 0.000
H9 -2.188 -1.231 0.878
H10 -2.188 -1.231 -0.878
C11 -1.591 -0.984 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.06182.27394.25653.70965.65574.64093.95385.46045.46044.7831
C21.06181.21213.24142.64824.60613.60953.20704.61774.61773.9031
C32.27391.21212.14401.43803.41492.45972.62393.78493.78493.0357
H44.25653.24142.14401.08152.38172.10173.75964.12384.12383.5003
C53.70962.64821.43801.08152.07931.34332.68533.23713.23712.5334
H65.65574.60613.41492.38172.07931.08293.09322.55632.55632.2042
C74.64093.60952.45972.10171.34331.08292.14712.13772.13771.4982
H83.95383.20702.62393.75962.68533.09322.14711.76801.76801.0865
H95.46044.61773.78494.12383.23712.55632.13771.76801.75521.0898
H105.46044.61773.78494.12383.23712.55632.13771.76801.75521.0898
C114.78313.90313.03573.50032.53342.20421.49821.08651.08981.0898

picture of 3-Penten-1-yne, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 179.519 C2 C3 C5 175.680
C3 C5 H4 115.911 C3 C5 C7 124.308
H4 C5 C7 119.781 C5 C7 H6 117.566
C5 C7 C11 126.055 H6 C7 C11 116.379
C7 C11 H8 111.347 C7 C11 H9 110.386
C7 C11 H10 110.386 H8 C11 H9 108.663
H8 C11 H10 108.663 H9 C11 H10 107.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability