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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-190.792735
Energy at 298.15K-190.796280
HF Energy-190.792735
Nuclear repulsion energy103.109657
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 HF/Def2TZVPP
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' 4174 3783 66.14      
2 A' 3618 3279 58.09      
3 A' 3162 2866 48.10      
4 A' 2395 2171 0.81      
5 A' 1637 1484 0.56      
6 A' 1584 1435 36.55      
7 A' 1348 1221 119.90      
8 A' 1190 1079 103.60      
9 A' 957 867 18.32      
10 A' 844 765 44.08      
11 A' 609 552 4.42      
12 A' 245 222 10.81      
13 A" 3188 2890 33.82      
14 A" 1379 1250 0.44      
15 A" 1128 1023 7.36      
16 A" 801 726 57.16      
17 A" 376 341 3.86      
18 A" 235 213 141.50      

Unscaled Zero Point Vibrational Energy (zpe) 14434.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 13083.0 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 HF/Def2TZVPP
ABC
1.21264 0.15712 0.14276

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.647 -0.518 0.000
C2 0.000 0.798 0.000
C3 0.492 1.870 0.000
O4 0.327 -1.521 0.000
H5 -1.282 -0.589 0.877
H6 -1.282 -0.589 -0.877
H7 0.966 2.812 0.000
H8 -0.089 -2.364 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.46682.64671.39821.08491.08493.70041.9281
C21.46681.18022.34232.08202.08202.23373.1630
C32.64671.18023.39603.15663.15661.05394.2739
O41.39822.34233.39602.05582.05584.38020.9392
H51.08492.08203.15662.05581.75454.16972.3115
H61.08492.08203.15662.05581.75454.16972.3115
H73.70042.23371.05394.38024.16974.16975.2820
H81.92813.16304.27390.93922.31152.31155.2820

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 178.482 C1 O4 H8 109.585
C2 C1 O4 109.665 C2 C1 H5 108.438
C2 C1 H6 108.438 C2 C3 H7 177.946
O4 C1 H5 111.146 O4 C1 H6 111.146
H5 C1 H6 107.920
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 C -0.285      
3 C 0.115      
4 O -0.383      
5 H 0.069      
6 H 0.069      
7 H 0.190      
8 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.846 -0.750 0.000 1.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.070 4.953 0.000
y 4.953 -16.499 0.000
z 0.000 0.000 -25.070
Traceless
 xyz
x -3.285 4.953 0.000
y 4.953 8.071 0.000
z 0.000 0.000 -4.786
Polar
3z2-r2-9.572
x2-y2-7.571
xy4.953
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.593 1.105 0.000
y 1.105 7.168 0.000
z 0.000 0.000 3.884


<r2> (average value of r2) Å2
<r2> 83.435
(<r2>)1/2 9.134