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All results from a given calculation for C3H4O (allenol)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-191.212558
Energy at 298.15K-191.216127
HF Energy-190.708165
Nuclear repulsion energy102.309886
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 CISD/6-31G*
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' 3899 3609 43.10      
2 A' 3328 3081 5.50      
3 A' 3240 3000 13.08      
4 A' 2169 2008 35.30      
5 A' 1592 1474 63.15      
6 A' 1496 1385 65.64      
7 A' 1356 1255 2.26      
8 A' 1262 1169 129.34      
9 A' 1049 971 123.94      
10 A' 986 913 38.20      
11 A' 652 603 22.36      
12 A' 223 207 0.89      
13 A" 3315 3069 8.51      
14 A" 1094 1013 1.26      
15 A" 958 886 20.90      
16 A" 662 613 1.87      
17 A" 415 385 147.36      
18 A" 290 268 2.47      

Unscaled Zero Point Vibrational Energy (zpe) 13992.4 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 12954.2 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 CISD/6-31G*
ABC
1.46405 0.14618 0.13659

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.659 -0.485 0.000
C2 0.000 0.642 0.000
C3 -0.650 1.774 0.000
O4 0.114 -1.742 0.000
H5 1.738 -0.523 0.000
H6 -0.932 2.269 0.921
H7 -0.932 2.269 -0.921
H8 -0.846 -1.662 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.30582.61111.36991.07983.31193.31191.9104
C21.30581.30542.38672.09262.08952.08952.4539
C32.61111.30543.59823.31361.08331.08333.4412
O41.36992.38673.59822.03084.24684.24680.9636
H51.07982.09263.31362.03083.97203.97202.8240
H63.31192.08951.08334.24683.97201.84234.0385
H73.31192.08951.08334.24683.97201.84234.0385
H81.91042.45393.44120.96362.82404.03854.0385

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.530 C1 O4 H8 108.652
C2 C1 O4 126.231 C2 C1 H5 122.327
C2 C3 H6 121.755 C2 C3 H7 121.755
O4 C1 H5 111.442 H6 C3 H7 116.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CISD/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.075      
2 C 0.047      
3 C -0.470      
4 O -0.712      
5 H 0.213      
6 H 0.196      
7 H 0.196      
8 H 0.454      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.776 0.924 -0.002
y 0.924 -24.838 -0.003
z -0.002 -0.003 -24.302
Traceless
 xyz
x 3.794 0.924 -0.002
y 0.924 -2.300 -0.003
z -0.002 -0.003 -1.494
Polar
3z2-r2-2.989
x2-y24.062
xy0.924
xz-0.002
yz-0.003


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


<r2> (average value of r2) Å2
<r2> 87.426
(<r2>)1/2 9.350