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All results from a given calculation for C3H4O (2-Propyn-1-ol)

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-191.555450
Energy at 298.15K-191.558666
HF Energy-190.781975
Nuclear repulsion energy102.377926
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=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3873 3677 38.67      
2 A' 3510 3332 54.64      
3 A' 3063 2908 37.29      
4 A' 2170 2060 2.91      
5 A' 1537 1459 1.13      
6 A' 1473 1399 23.69      
7 A' 1262 1198 66.63      
8 A' 1096 1040 105.50      
9 A' 931 884 9.63      
10 A' 685 650 35.41      
11 A' 557 529 3.11      
12 A' 210 200 7.88      
13 A" 3091 2935 20.72      
14 A" 1287 1222 0.08      
15 A" 1049 996 4.82      
16 A" 651 618 42.04      
17 A" 314 298 2.19      
18 A" 218 207 123.34      

Unscaled Zero Point Vibrational Energy (zpe) 13487.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12804.9 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=FULL/cc-pVTZ
ABC
1.16407 0.15689 0.14189

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.667 -0.507 0.000
C2 0.000 0.785 0.000
C3 0.536 1.868 0.000
O4 0.313 -1.523 0.000
H5 -1.307 -0.559 0.880
H6 -1.307 -0.559 -0.880
H7 1.039 2.795 0.000
H8 -0.146 -2.365 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.45392.66211.41121.08991.08993.71721.9291
C21.45391.20832.32912.07112.07112.26343.1529
C32.66211.20833.39813.17203.17201.05544.2870
O41.41122.32913.39812.08072.08074.37920.9586
H51.08992.07113.17202.08071.76054.18722.3204
H61.08992.07113.17202.08071.76054.18722.3204
H73.71722.26341.05544.37924.18724.18725.2946
H81.92913.15294.28700.95862.32042.32045.2946

picture of 2-Propyn-1-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.056 C1 O4 H8 107.443
C2 C1 O4 108.754 C2 C1 H5 108.159
C2 C1 H6 108.159 C2 C3 H7 177.877
O4 C1 H5 111.952 O4 C1 H6 111.952
H5 C1 H6 107.729
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability