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All results from a given calculation for C3H4O (allenol)

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-35.206362
Energy at 298.15K-35.209858
Nuclear repulsion energy53.963452
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/CEP-121G
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' 3653 3560 20.01      
2 A' 3198 3117 6.03      
3 A' 3066 2988 23.67      
4 A' 2016 1964 25.34      
5 A' 1490 1452 21.26      
6 A' 1394 1359 49.86      
7 A' 1247 1216 1.06      
8 A' 1165 1135 120.20      
9 A' 947 923 106.85      
10 A' 941 917 99.55      
11 A' 603 587 25.69      
12 A' 228 222 0.73      
13 A" 3151 3071 18.64      
14 A" 1049 1022 0.56      
15 A" 901 878 40.21      
16 A" 617 602 0.09      
17 A" 410 399 167.30      
18 A" 294 287 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 13184.4 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 12848.2 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 B3LYP/CEP-121G
ABC
1.39483 0.14021 0.13083

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.678 -0.481 0.000
C2 0.000 0.659 0.000
C3 -0.661 1.810 0.000
O4 0.113 -1.784 0.000
H5 1.761 -0.540 0.000
H6 -0.947 2.311 0.928
H7 -0.947 2.311 -0.928
H8 -0.868 -1.740 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.32602.65331.42041.08503.36023.36021.9933
C21.32601.32732.44572.13042.11762.11762.5513
C32.65331.32733.67643.37471.09211.09213.5563
O41.42042.44573.67642.06504.32994.32990.9811
H51.08502.13043.37472.06504.03964.03962.8895
H63.36022.11761.09214.32994.03961.85524.1564
H73.36022.11761.09214.32994.03961.85524.1564
H81.99332.55133.55630.98112.88954.15644.1564

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.142 C1 O4 H8 110.880
C2 C1 O4 125.836 C2 C1 H5 123.856
C2 C3 H6 121.855 C2 C3 H7 121.855
O4 C1 H5 110.308 H6 C3 H7 116.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 C 0.334      
3 C -0.540      
4 O -0.429      
5 H 0.171      
6 H 0.151      
7 H 0.151      
8 H 0.339      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.203 1.308 0.000 1.777
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.183 1.327 0.000
y 1.327 -25.803 0.000
z 0.000 0.000 -24.807
Traceless
 xyz
x 4.122 1.327 0.000
y 1.327 -2.808 0.000
z 0.000 0.000 -1.314
Polar
3z2-r2-2.627
x2-y24.620
xy1.327
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.086 -2.337 0.000
y -2.337 9.208 0.000
z 0.000 0.000 3.271


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000