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All results from a given calculation for CH2CCH2 (allene)

using model chemistry: mPW1PW91/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at mPW1PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-116.636650
Energy at 298.15K-116.639350
HF Energy-116.636650
Nuclear repulsion energy59.058260
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 mPW1PW91/daug-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 A1 3160 3160 0.00 361.66 0.07 0.13
2 A1 1468 1468 0.00 14.23 0.74 0.85
3 A1 1119 1119 0.00 73.07 0.16 0.27
4 B1 877 877 0.00 0.74 0.75 0.86
5 B2 3156 3156 1.12 34.68 0.75 0.86
6 B2 2074 2074 91.45 4.33 0.75 0.86
7 B2 1407 1407 5.00 0.34 0.75 0.86
8 E 3248 3248 0.54 102.10 0.75 0.86
8 E 3248 3248 0.54 102.10 0.75 0.86
9 E 997 997 1.57 0.16 0.75 0.86
9 E 997 997 1.57 0.16 0.75 0.86
10 E 881 881 57.26 2.31 0.75 0.86
10 E 881 881 57.26 2.31 0.75 0.86
11 E 356 356 7.83 0.64 0.75 0.86
11 E 356 356 7.83 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12112.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12112.6 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 mPW1PW91/daug-cc-pVDZ
ABC
4.80708 0.29591 0.29591

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-cc-pVDZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.000 1.308
C3 0.000 0.000 -1.308
H4 0.000 0.933 1.872
H5 0.000 -0.933 1.872
H6 0.933 0.000 -1.872
H7 -0.933 0.000 -1.872

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.30851.30852.09152.09152.09152.0915
C21.30852.61691.08971.08973.31443.3144
C31.30852.61693.31443.31441.08971.0897
H42.09151.08973.31441.86543.96953.9695
H52.09151.08973.31441.86543.96953.9695
H62.09153.31441.08973.96953.96951.8654
H72.09153.31441.08973.96953.96951.8654

picture of allene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.141 C1 C2 H5 121.141
C1 C3 H6 121.141 C1 C3 H7 121.141
C2 C1 C3 180.000 H4 C2 H5 117.719
H6 C3 H7 117.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 C 1.150      
3 C 1.150      
4 H -0.521      
5 H -0.521      
6 H -0.521      
7 H -0.521      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.507 0.000 0.000
y 0.000 -19.507 0.000
z 0.000 0.000 -15.520
Traceless
 xyz
x -1.994 0.000 0.000
y 0.000 -1.994 0.000
z 0.000 0.000 3.987
Polar
3z2-r27.975
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.464 0.000 0.000
y 0.000 4.464 0.000
z 0.000 0.000 9.452


<r2> (average value of r2) Å2
<r2> 49.395
(<r2>)1/2 7.028