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All results from a given calculation for C4H6 (Methylenecyclopropane)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-155.959869
Energy at 298.15K-155.965660
HF Energy-155.959869
Nuclear repulsion energy109.693307
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 wB97X-D/TZVP
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 3153 3011 10.03      
2 A1 3143 3002 10.88      
3 A1 1868 1784 10.47      
4 A1 1496 1428 0.08      
5 A1 1454 1389 1.56      
6 A1 1071 1022 3.40      
7 A1 1046 999 6.18      
8 A1 751 717 7.51      
9 A2 3221 3076 0.00      
10 A2 1179 1126 0.00      
11 A2 962 919 0.00      
12 A2 628 600 0.00      
13 B1 3233 3087 11.36      
14 B1 1106 1057 1.43      
15 B1 940 898 51.48      
16 B1 775 741 2.49      
17 B1 294 281 5.01      
18 B2 3241 3095 8.84      
19 B2 3141 3000 13.86      
20 B2 1459 1394 3.19      
21 B2 1154 1102 8.70      
22 B2 1083 1034 1.96      
23 B2 906 866 17.04      
24 B2 356 340 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 18829.8 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 17982.4 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 wB97X-D/TZVP
ABC
0.65555 0.23121 0.18343

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.648
C2 0.000 0.000 0.307
H3 0.000 0.896 2.167
H4 0.000 -0.896 2.167
C5 0.000 0.746 -0.891
C6 0.000 -0.746 -0.891
H7 0.918 0.927 -1.344
H8 -0.918 0.927 -1.344
H9 -0.918 -0.927 -1.344
H10 0.918 -0.927 -1.344

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10
C11.34111.03511.03512.64672.64673.26413.26413.26413.2641
C21.34112.06442.06441.41151.41152.10422.10422.10422.1042
H31.03512.06441.79143.06193.47103.62913.62914.06094.0609
H41.03512.06441.79143.47103.06194.06094.06093.62913.6291
C52.64671.41153.06193.47101.49181.03961.03961.96121.9612
C62.64671.41153.47103.06191.49181.96121.96121.03961.0396
H73.26412.10423.62914.06091.03961.96121.83642.60941.8538
H83.26412.10423.62914.06091.03961.96121.83641.85382.6094
H93.26412.10424.06093.62911.96121.03962.60941.85381.8364
H103.26412.10424.06093.62911.96121.03961.85382.60941.8364

picture of Methylenecyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 148.100 C1 C2 C6 148.100
C2 C1 H3 120.083 C2 C1 H4 120.083
C2 C5 C6 58.100 C2 C5 H7 117.494
C2 C5 H8 117.494 C2 C6 C5 58.100
C2 C6 H9 117.494 C2 C6 H10 117.494
H3 C1 H4 119.834 C5 C2 C6 63.800
C5 C6 H9 100.028 C5 C6 H10 100.028
C6 C5 H7 100.028 C6 C5 H8 100.028
H7 C5 H8 124.072 H9 C6 H10 124.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.233      
2 C -0.020      
3 H 0.122      
4 H 0.122      
5 C -0.289      
6 C -0.289      
7 H 0.147      
8 H 0.147      
9 H 0.147      
10 H 0.147      


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 -0.451 0.451
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.388 0.000 0.000
y 0.000 -24.194 0.000
z 0.000 0.000 -24.578
Traceless
 xyz
x -1.002 0.000 0.000
y 0.000 0.789 0.000
z 0.000 0.000 0.212
Polar
3z2-r20.425
x2-y2-1.194
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.040 0.000 0.000
y 0.000 6.470 0.000
z 0.000 0.000 9.102


<r2> (average value of r2) Å2
<r2> 76.535
(<r2>)1/2 8.748