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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-190.581107
Energy at 298.15K-190.584462
HF Energy-190.581107
Nuclear repulsion energy101.386875
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 HSEh1PBE/3-21G
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' 3534 3405 2.72      
2 A' 3513 3385 52.75      
3 A' 3003 2893 37.38      
4 A' 2273 2190 2.74      
5 A' 1568 1510 1.32      
6 A' 1481 1427 14.18      
7 A' 1276 1229 59.87      
8 A' 1023 986 85.21      
9 A' 916 883 15.22      
10 A' 782 753 42.70      
11 A' 563 542 4.47      
12 A' 218 210 11.19      
13 A" 3026 2915 43.48      
14 A" 1281 1234 0.04      
15 A" 1039 1001 1.81      
16 A" 745 717 55.20      
17 A" 356 343 4.55      
18 A" 234 225 165.08      

Unscaled Zero Point Vibrational Energy (zpe) 13415.2 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 12922.8 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 HSEh1PBE/3-21G
ABC
1.09529 0.15630 0.14040

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.686 -0.489 0.000
C2 0.000 0.801 0.000
C3 0.587 1.854 0.000
O4 0.295 -1.545 0.000
H5 -1.346 -0.504 0.884
H6 -1.346 -0.504 -0.884
H7 1.093 2.788 0.000
H8 -0.163 -2.416 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.46132.66671.44131.10371.10373.72901.9970
C21.46131.20552.36462.07342.07342.26783.2214
C32.66671.20553.41173.17523.17521.06234.3357
O41.44132.36463.41172.13502.13504.40590.9840
H51.10372.07343.17522.13501.76884.19212.4163
H61.10372.07343.17522.13501.76884.19212.4163
H73.72902.26781.06234.40594.19214.19215.3535
H81.99703.22144.33570.98402.41632.41635.3535

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 178.879 C1 O4 H8 109.405
C2 C1 O4 109.103 C2 C1 H5 107.044
C2 C1 H6 107.044 C2 C3 H7 179.356
O4 C1 H5 113.386 O4 C1 H6 113.386
H5 C1 H6 106.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.303      
2 C 0.119      
3 C -0.376      
4 O -0.546      
5 H 0.235      
6 H 0.235      
7 H 0.281      
8 H 0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.985 -0.611 0.000 2.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.111 5.235 0.000
y 5.235 -16.093 0.000
z 0.000 0.000 -24.657
Traceless
 xyz
x -2.736 5.235 0.000
y 5.235 7.792 0.000
z 0.000 0.000 -5.056
Polar
3z2-r2-10.111
x2-y2-7.018
xy5.235
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.551 1.598 0.000
y 1.598 6.455 0.000
z 0.000 0.000 2.356


<r2> (average value of r2) Å2
<r2> 84.337
(<r2>)1/2 9.183