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

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 CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-194.134273
Energy at 298.15K-194.138795
HF Energy-194.134273
Nuclear repulsion energy141.514083
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' 3467 3354 77.13      
2 A' 3158 3056 19.71      
3 A' 3140 3038 1.06      
4 A' 3112 3011 3.75      
5 A' 3017 2919 20.56      
6 A' 2195 2124 8.38      
7 A' 1679 1624 6.47      
8 A' 1481 1433 10.39      
9 A' 1434 1387 6.40      
10 A' 1402 1357 5.75      
11 A' 1268 1227 0.24      
12 A' 1122 1086 0.15      
13 A' 972 941 19.02      
14 A' 901 872 3.06      
15 A' 678 656 42.09      
16 A' 663 642 2.39      
17 A' 375 363 8.05      
18 A' 158 153 0.40      
19 A" 3054 2955 14.08      
20 A" 1483 1434 6.16      
21 A" 1068 1033 1.17      
22 A" 993 961 0.92      
23 A" 752 728 23.78      
24 A" 639 618 46.68      
25 A" 509 493 14.43      
26 A" 278 269 2.93      
27 A" 133 129 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 19565.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 18929.8 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
0.40697 0.11051 0.08832

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)
H1 3.172 -0.893 0.000
C2 2.250 -0.368 0.000
C3 1.202 0.222 0.000
H4 0.117 2.055 0.000
C5 0.000 0.977 0.000
H6 -2.064 1.157 0.000
C7 -1.234 0.459 0.000
H8 -0.690 -1.619 0.000
H9 -2.183 -1.244 0.876
H10 -2.183 -1.244 -0.876
C11 -1.579 -0.992 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.06092.26374.24533.68245.62324.60923.92965.43755.43754.7526
C21.06091.20283.22812.62164.57583.58123.19484.60274.60273.8799
C32.26371.20282.12951.41953.39752.44812.64023.79173.79173.0352
H44.24533.22812.12951.08382.35882.09103.76094.11554.11553.4869
C53.68242.62161.41951.08382.07201.33872.68603.23513.23512.5242
H65.62324.57583.39752.35882.07201.08423.09692.55822.55822.2025
C74.60923.58122.44812.09101.33871.08422.14782.13712.13711.4913
H83.92963.19482.64023.76092.68603.09692.14781.77111.77111.0882
H95.43754.60273.79174.11553.23512.55822.13711.77111.75211.0932
H105.43754.60273.79174.11553.23512.55822.13711.77111.75211.0932
C114.75263.87993.03523.48692.52422.20251.49131.08821.09321.0932

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 179.776 C2 C3 C5 177.300
C3 C5 H4 115.923 C3 C5 C7 125.110
H4 C5 C7 118.967 C5 C7 H6 117.175
C5 C7 C11 126.153 H6 C7 C11 116.672
C7 C11 H8 111.793 C7 C11 H9 110.615
C7 C11 H10 110.615 H8 C11 H9 108.562
H8 C11 H10 108.562 H9 C11 H10 106.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability