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

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-191.934455
Energy at 298.15K-191.937510
HF Energy-191.934455
Nuclear repulsion energy102.039411
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/TZVP
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' 3809 3677 25.18      
2 A' 3479 3359 60.27      
3 A' 2983 2880 45.91      
4 A' 2239 2162 1.00      
5 A' 1505 1452 2.20      
6 A' 1449 1399 24.39      
7 A' 1242 1199 74.89      
8 A' 1042 1006 119.90      
9 A' 912 880 8.61      
10 A' 706 681 40.51      
11 A' 554 535 4.03      
12 A' 213 205 9.63      
13 A" 3005 2901 30.09      
14 A" 1253 1209 0.01      
15 A" 1021 986 6.67      
16 A" 616 595 53.09      
17 A" 266 256 17.92      
18 A" 173 167 122.90      

Unscaled Zero Point Vibrational Energy (zpe) 13232.9 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 12775.0 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 B3LYP/TZVP
ABC
1.16680 0.15532 0.14069

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.662 -0.503 0.000
C2 0.000 0.799 0.000
C3 0.537 1.873 0.000
O4 0.309 -1.540 0.000
H5 -1.311 -0.553 0.885
H6 -1.311 -0.553 -0.885
H7 1.043 2.807 0.000
H8 -0.143 -2.390 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.46082.66061.42061.09831.09833.72281.9570
C21.46081.19992.35992.08082.08082.26203.1925
C32.66061.19993.42043.17473.17471.06254.3163
O41.42062.35993.42042.09282.09284.40840.9624
H51.09832.08083.17472.09281.76924.19642.3494
H61.09832.08083.17472.09281.76924.19642.3494
H73.72282.26201.06254.40844.19644.19645.3302
H81.95703.19254.31630.96242.34942.34945.3302

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 179.628 C1 O4 H8 108.895
C2 C1 O4 109.966 C2 C1 H5 107.963
C2 C1 H6 107.963 C2 C3 H7 178.101
O4 C1 H5 111.739 O4 C1 H6 111.739
H5 C1 H6 107.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.244      
2 C -0.038      
3 C -0.046      
4 O -0.370      
5 H 0.128      
6 H 0.128      
7 H 0.174      
8 H 0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.937 -0.602 0.000 2.028
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.061 5.076 0.000
y 5.076 -17.002 0.000
z 0.000 0.000 -25.186
Traceless
 xyz
x -2.967 5.076 0.000
y 5.076 7.621 0.000
z 0.000 0.000 -4.655
Polar
3z2-r2-9.309
x2-y2-7.059
xy5.076
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.625 1.396 0.000
y 1.396 7.604 0.000
z 0.000 0.000 3.703


<r2> (average value of r2) Å2
<r2> 84.611
(<r2>)1/2 9.198