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All results from a given calculation for C4H6 (Methylenecyclopropane)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-156.024905
Energy at 298.15K-156.030677
HF Energy-156.024905
Nuclear repulsion energy109.613460
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 B3LYPultrafine/aug-cc-pVTZ
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 3122 3020 12.12      
2 A1 3103 3002 13.56      
3 A1 1826 1767 10.05      
4 A1 1487 1439 0.31      
5 A1 1447 1400 0.59      
6 A1 1061 1027 3.24      
7 A1 1035 1001 3.13      
8 A1 739 715 5.38      
9 A2 3170 3067 0.00      
10 A2 1167 1130 0.00      
11 A2 960 928 0.00      
12 A2 621 601 0.00      
13 B1 3183 3079 13.37      
14 B1 1098 1063 2.03      
15 B1 928 898 44.03      
16 B1 753 728 2.50      
17 B1 296 286 4.52      
18 B2 3198 3095 10.61      
19 B2 3102 3001 15.63      
20 B2 1452 1405 2.62      
21 B2 1144 1107 5.71      
22 B2 1077 1042 0.81      
23 B2 901 872 15.50      
24 B2 359 347 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 18613.6 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 18008.7 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.65427 0.23081 0.18299

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.632
C2 0.000 0.000 0.316
H3 0.000 0.924 2.197
H4 0.000 -0.924 2.197
C5 0.000 0.768 -0.930
C6 0.000 -0.768 -0.930
H7 0.910 1.273 -1.231
H8 -0.910 1.273 -1.231
H9 -0.910 -1.273 -1.231
H10 0.910 -1.273 -1.231

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10
C11.31601.08311.08312.67442.67443.26273.26273.26273.2627
C21.31602.09562.09561.46331.46332.20022.20022.20022.2002
H31.08312.09561.84843.13053.55503.56383.56384.17194.1719
H41.08312.09561.84843.55503.13054.17194.17193.56383.5638
C52.67441.46333.13053.55501.53521.08331.08332.25412.2541
C62.67441.46333.55503.13051.53522.25412.25411.08331.0833
H73.26272.20023.56384.17191.08332.25411.81963.12862.5451
H83.26272.20023.56384.17191.08332.25411.81962.54513.1286
H93.26272.20024.17193.56382.25411.08333.12862.54511.8196
H103.26272.20024.17193.56382.25411.08332.54513.12861.8196

picture of Methylenecyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 148.360 C1 C2 C6 148.360
C2 C1 H3 121.428 C2 C1 H4 121.428
C2 C5 C6 58.360 C2 C5 H7 118.776
C2 C5 H8 118.776 C2 C6 C5 58.360
C2 C6 H9 118.776 C2 C6 H10 118.776
H3 C1 H4 117.144 C5 C2 C6 63.280
C5 C6 H9 117.780 C5 C6 H10 117.780
C6 C5 H7 117.780 C6 C5 H8 117.780
H7 C5 H8 114.248 H9 C6 H10 114.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.487      
2 C 0.762      
3 H 0.227      
4 H 0.227      
5 C -0.779      
6 C -0.779      
7 H 0.207      
8 H 0.207      
9 H 0.207      
10 H 0.207      


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 -0.460 0.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.731 0.000 0.000
y 0.000 -24.684 0.000
z 0.000 0.000 -25.030
Traceless
 xyz
x -0.874 0.000 0.000
y 0.000 0.696 0.000
z 0.000 0.000 0.178
Polar
3z2-r20.356
x2-y2-1.047
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.732 0.000 0.000
y 0.000 7.039 0.000
z 0.000 0.000 9.716


<r2> (average value of r2) Å2
<r2> 76.942
(<r2>)1/2 8.772