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All results from a given calculation for C4H6 (Methylenecyclopropane)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-155.912899
Energy at 298.15K-155.918564
HF Energy-155.912899
Nuclear repulsion energy109.307071
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 B97D3/6-311+G(3df,2p)
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 3063 3023 17.00      
2 A1 3045 3005 19.33      
3 A1 1787 1764 8.84      
4 A1 1452 1433 0.20      
5 A1 1415 1397 0.35      
6 A1 1045 1032 3.25      
7 A1 1005 992 3.21      
8 A1 739 729 4.73      
9 A2 3114 3074 0.00      
10 A2 1143 1128 0.00      
11 A2 938 925 0.00      
12 A2 602 594 0.00      
13 B1 3128 3087 18.95      
14 B1 1070 1056 2.54      
15 B1 886 874 43.52      
16 B1 739 730 2.19      
17 B1 274 271 4.39      
18 B2 3142 3101 15.14      
19 B2 3045 3006 20.81      
20 B2 1420 1401 2.20      
21 B2 1119 1105 5.27      
22 B2 1044 1030 0.98      
23 B2 892 881 14.30      
24 B2 346 341 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 18226.2 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 17989.3 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 B97D3/6-311+G(3df,2p)
ABC
0.65170 0.22938 0.18200

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.637
C2 0.000 0.000 0.315
H3 0.000 0.929 2.204
H4 0.000 -0.929 2.204
C5 0.000 0.769 -0.932
C6 0.000 -0.769 -0.932
H7 0.914 1.275 -1.236
H8 -0.914 1.275 -1.236
H9 -0.914 -1.275 -1.236
H10 0.914 -1.275 -1.236

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10
C11.32231.08801.08802.68152.68153.27363.27363.27363.2736
C21.32232.10472.10471.46481.46482.20602.20602.20602.2060
H31.08802.10471.85823.13913.56553.57543.57544.18614.1861
H41.08802.10471.85823.56553.13914.18614.18613.57543.5754
C52.68151.46483.13913.56551.53851.08821.08822.26022.2602
C62.68151.46483.56553.13911.53852.26022.26021.08821.0882
H73.27362.20603.57544.18611.08822.26021.82813.13812.5506
H83.27362.20603.57544.18611.08822.26021.82812.55063.1381
H93.27362.20604.18613.57542.26021.08823.13812.55061.8281
H103.27362.20604.18613.57542.26021.08822.55063.13811.8281

picture of Methylenecyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 148.076 C1 C2 C6 148.076
C2 C1 H3 120.117 C2 C1 H4 120.117
C2 C5 C6 58.076 C2 C5 H7 117.489
C2 C5 H8 117.489 C2 C6 C5 58.076
C2 C6 H9 117.489 C2 C6 H10 117.489
H3 C1 H4 119.766 C5 C2 C6 63.848
C5 C6 H9 99.960 C5 C6 H10 99.960
C6 C5 H7 99.960 C6 C5 H8 99.960
H7 C5 H8 124.044 H9 C6 H10 124.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.612      
2 C 0.425      
3 H 0.131      
4 H 0.131      
5 C -0.320      
6 C -0.320      
7 H 0.141      
8 H 0.141      
9 H 0.141      
10 H 0.141      


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 -0.479 0.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.648 0.000 0.000
y 0.000 -24.543 0.000
z 0.000 0.000 -24.930
Traceless
 xyz
x -0.911 0.000 0.000
y 0.000 0.746 0.000
z 0.000 0.000 0.165
Polar
3z2-r20.330
x2-y2-1.105
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.780 0.000 0.000
y 0.000 7.081 0.000
z 0.000 0.000 9.933


<r2> (average value of r2) Å2
<r2> 77.227
(<r2>)1/2 8.788