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All results from a given calculation for C3H4O (allenol)

using model chemistry: B3LYP/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-191.883701
Energy at 298.15K-191.887197
Nuclear repulsion energy101.648177
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/cc-pVDZ
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' 3755 3642 32.42      
2 A' 3183 3088 4.52      
3 A' 3091 2998 18.68      
4 A' 2071 2009 33.70      
5 A' 1493 1449 76.75      
6 A' 1408 1365 43.16      
7 A' 1293 1254 10.94      
8 A' 1196 1160 114.02      
9 A' 998 968 106.85      
10 A' 910 883 32.24      
11 A' 623 605 19.58      
12 A' 217 210 0.93      
13 A" 3167 3072 8.84      
14 A" 1024 993 0.92      
15 A" 894 867 25.50      
16 A" 628 610 1.09      
17 A" 454 441 104.77      
18 A" 268 260 2.19      

Unscaled Zero Point Vibrational Energy (zpe) 13335.8 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 12935.7 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/cc-pVDZ
ABC
1.46268 0.14391 0.13469

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.656 -0.493 0.000
C2 0.000 0.647 0.000
C3 -0.649 1.788 0.000
O4 0.116 -1.755 0.000
H5 1.749 -0.530 0.000
H6 -0.932 2.292 0.933
H7 -0.932 2.292 -0.933
H8 -0.851 -1.666 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.31552.62831.37281.09383.33933.33931.9088
C21.31551.31282.40542.10802.10832.10832.4645
C32.62831.31283.62543.33521.09721.09723.4602
O41.37282.40543.62542.04194.28394.28390.9703
H51.09382.10803.33522.04194.00284.00282.8368
H63.33932.10831.09724.28394.00281.86524.0674
H73.33932.10831.09724.28394.00281.86524.0674
H81.90882.46453.46020.97032.83684.06744.0674

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.726 C1 O4 H8 107.870
C2 C1 O4 126.940 C2 C1 H5 121.809
C2 C3 H6 121.792 C2 C3 H7 121.792
O4 C1 H5 111.251 H6 C3 H7 116.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.050      
2 C -0.009      
3 C -0.047      
4 O -0.168      
5 H 0.039      
6 H 0.046      
7 H 0.046      
8 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.949 0.525 0.000 1.084
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.138 0.923 0.000
y 0.923 -24.206 0.000
z 0.000 0.000 -24.275
Traceless
 xyz
x 3.102 0.923 0.000
y 0.923 -1.499 0.000
z 0.000 0.000 -1.603
Polar
3z2-r2-3.206
x2-y23.068
xy0.923
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.779 -2.212 0.000
y -2.212 8.569 0.000
z 0.000 0.000 3.111


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