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

using model chemistry: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-191.810148
Energy at 298.15K-191.812993
HF Energy-191.810148
Nuclear repulsion energy101.616036
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 B97D3/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' 3736 3683 15.53      
2 A' 3431 3381 51.79      
3 A' 2915 2873 55.88      
4 A' 2183 2151 0.82      
5 A' 1469 1448 2.05      
6 A' 1416 1395 24.43      
7 A' 1226 1209 67.45      
8 A' 997 982 127.14      
9 A' 895 882 5.52      
10 A' 659 650 37.75      
11 A' 536 528 4.05      
12 A' 200 197 8.40      
13 A" 2935 2893 37.35      
14 A" 1217 1199 0.07      
15 A" 994 979 6.45      
16 A" 559 551 51.68      
17 A" 225 222 31.30      
18 A" 146 144 99.69      

Unscaled Zero Point Vibrational Energy (zpe) 12867.9 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 12682.6 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 B97D3/TZVP
ABC
1.15599 0.15415 0.13960

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.662 -0.500 0.000
C2 0.000 0.797 0.000
C3 0.532 1.882 0.000
O4 0.320 -1.549 0.000
H5 -1.312 -0.564 0.890
H6 -1.312 -0.564 -0.890
H7 1.005 2.837 0.000
H8 -0.164 -2.387 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.45652.66441.43661.10391.10393.73061.9515
C21.45651.20792.36842.08942.08942.27423.1886
C32.66441.20793.43763.18963.18961.06624.3251
O41.43662.36843.43762.10392.10394.43980.9672
H51.10392.08943.18962.10391.77904.21062.3314
H61.10392.08943.18962.10391.77904.21062.3314
H73.73062.27421.06624.43984.21064.21065.3535
H81.95153.18864.32510.96722.33142.33145.3535

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 179.132 C1 O4 H8 106.922
C2 C1 O4 109.891 C2 C1 H5 108.601
C2 C1 H6 108.601 C2 C3 H7 179.814
O4 C1 H5 111.139 O4 C1 H6 111.139
H5 C1 H6 107.378
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.279      
2 C 0.070      
3 C -0.072      
4 O -0.353      
5 H 0.118      
6 H 0.118      
7 H 0.135      
8 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.890 -0.596 0.000 1.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.880 5.019 0.000
y 5.019 -16.978 0.000
z 0.000 0.000 -25.053
Traceless
 xyz
x -2.864 5.019 0.000
y 5.019 7.488 0.000
z 0.000 0.000 -4.624
Polar
3z2-r2-9.248
x2-y2-6.902
xy5.019
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.763 1.473 0.000
y 1.473 7.884 0.000
z 0.000 0.000 3.777


<r2> (average value of r2) Å2
<r2> 85.078
(<r2>)1/2 9.224