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All results from a given calculation for C4H6 (Methylenecyclopropane)

using model chemistry: BLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/cc-pVDZ
 hartrees
Energy at 0K-155.876989
Energy at 298.15K-155.882587
Nuclear repulsion energy108.068822
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 BLYP/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 3042 3047 15.01      
2 A1 3014 3019 15.63      
3 A1 1777 1780 5.47      
4 A1 1421 1424 0.07      
5 A1 1380 1382 0.06      
6 A1 1029 1030 2.53      
7 A1 986 988 2.11      
8 A1 711 712 3.38      
9 A2 3088 3093 0.00      
10 A2 1116 1117 0.00      
11 A2 918 919 0.00      
12 A2 589 590 0.00      
13 B1 3101 3106 20.72      
14 B1 1044 1046 0.78      
15 B1 872 874 27.81      
16 B1 723 724 1.80      
17 B1 277 277 2.36      
18 B2 3129 3134 16.13      
19 B2 3014 3018 18.18      
20 B2 1378 1380 0.77      
21 B2 1103 1104 6.09      
22 B2 1016 1018 0.48      
23 B2 870 871 12.07      
24 B2 342 343 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 17969.8 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 17998.6 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 BLYP/cc-pVDZ
ABC
0.63543 0.22464 0.17808

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.654
C2 0.000 0.000 0.319
H3 0.000 0.941 2.226
H4 0.000 -0.941 2.226
C5 0.000 0.779 -0.941
C6 0.000 -0.779 -0.941
H7 0.926 1.293 -1.249
H8 -0.926 1.293 -1.249
H9 -0.926 -1.293 -1.249
H10 0.926 -1.293 -1.249

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10
C11.33501.10101.10102.70972.70973.31003.31003.31003.3100
C21.33502.12622.12621.48161.48162.23312.23312.23312.2331
H31.10102.12621.88213.17113.60383.61313.61314.23324.2332
H41.10102.12621.88213.60383.17114.23324.23323.61313.6131
C52.70971.48163.17113.60381.55751.10261.10262.28962.2896
C62.70971.48163.60383.17111.55752.28962.28961.10261.1026
H73.31002.23313.61314.23321.10262.28961.85133.17972.5852
H83.31002.23313.61314.23321.10262.28961.85132.58523.1797
H93.31002.23314.23323.61312.28961.10263.17972.58521.8513
H103.31002.23314.23323.61312.28961.10262.58523.17971.8513

picture of Methylenecyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 148.290 C1 C2 C6 148.290
C2 C1 H3 121.276 C2 C1 H4 121.276
C2 C5 C6 58.290 C2 C5 H7 118.844
C2 C5 H8 118.844 C2 C6 C5 58.290
C2 C6 H9 118.844 C2 C6 H10 118.844
H3 C1 H4 117.449 C5 C2 C6 63.420
C5 C6 H9 117.779 C5 C6 H10 117.779
C6 C5 H7 117.779 C6 C5 H8 117.779
H7 C5 H8 114.189 H9 C6 H10 114.189
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.005      
2 C -0.085      
3 H -0.004      
4 H -0.004      
5 C -0.001      
6 C -0.001      
7 H 0.022      
8 H 0.022      
9 H 0.022      
10 H 0.022      


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 -0.410 0.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.298 0.000 0.000
y 0.000 -24.602 0.000
z 0.000 0.000 -24.974
Traceless
 xyz
x -0.510 0.000 0.000
y 0.000 0.533 0.000
z 0.000 0.000 -0.024
Polar
3z2-r2-0.047
x2-y2-0.695
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.404 0.000 0.000
y 0.000 6.352 0.000
z 0.000 0.000 8.957


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