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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-191.863994
Energy at 298.15K-191.867244
HF Energy-191.863994
Nuclear repulsion energy102.456646
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 wB97X-D/cc-pVTZ
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' 3906 3734 35.17      
2 A' 3485 3332 56.61      
3 A' 3011 2878 41.02      
4 A' 2263 2163 0.60      
5 A' 1500 1434 0.83      
6 A' 1465 1400 25.25      
7 A' 1263 1208 76.50      
8 A' 1103 1055 110.81      
9 A' 920 879 10.09      
10 A' 756 723 38.31      
11 A' 565 541 3.17      
12 A' 220 210 8.51      
13 A" 3040 2907 25.12      
14 A" 1272 1216 0.10      
15 A" 1026 981 4.47      
16 A" 659 630 47.81      
17 A" 322 308 3.95      
18 A" 203 194 125.81      

Unscaled Zero Point Vibrational Energy (zpe) 13489.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 12896.0 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 wB97X-D/cc-pVTZ
ABC
1.18515 0.15619 0.14165

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.658 -0.510 0.000
C2 0.000 0.794 0.000
C3 0.520 1.871 0.000
O4 0.317 -1.529 0.000
H5 -1.303 -0.564 0.884
H6 -1.303 -0.564 -0.884
H7 1.027 2.805 0.000
H8 -0.130 -2.375 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.46072.65641.41051.09581.09583.71791.9382
C21.46071.19572.34542.07962.07962.25723.1720
C32.65641.19573.40663.16783.16781.06214.2956
O41.41052.34543.40662.08282.08284.39180.9566
H51.09582.07963.16782.08281.76794.19012.3315
H61.09582.07963.16782.08281.76794.19012.3315
H73.71792.25721.06214.39184.19014.19015.3073
H81.93823.17204.29560.95662.33152.33155.3073

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 179.019 C1 O4 H8 108.401
C2 C1 O4 109.528 C2 C1 H5 108.017
C2 C1 H6 108.017 C2 C3 H7 177.295
O4 C1 H5 111.793 O4 C1 H6 111.793
H5 C1 H6 107.543
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.056      
2 C -0.009      
3 C -0.173      
4 O -0.310      
5 H 0.065      
6 H 0.065      
7 H 0.119      
8 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.749 -0.716 0.000 1.890
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.602 4.774 0.000
y 4.774 -16.538 0.000
z 0.000 0.000 -24.759
Traceless
 xyz
x -2.953 4.774 0.000
y 4.774 7.643 0.000
z 0.000 0.000 -4.689
Polar
3z2-r2-9.379
x2-y2-7.064
xy4.774
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.721 1.266 0.000
y 1.266 7.497 0.000
z 0.000 0.000 3.837


<r2> (average value of r2) Å2
<r2> 83.862
(<r2>)1/2 9.158