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All results from a given calculation for C4H6 (Methylenecyclopropane)

using model chemistry: B97D3/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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-155.918062
Energy at 298.15K-155.923739
HF Energy-155.918062
Nuclear repulsion energy109.331096
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/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 3068 3021 16.26      
2 A1 3051 3004 19.85      
3 A1 1788 1761 8.90      
4 A1 1453 1431 0.22      
5 A1 1416 1394 0.32      
6 A1 1046 1030 3.08      
7 A1 1003 988 3.16      
8 A1 740 729 4.59      
9 A2 3120 3072 0.00      
10 A2 1143 1126 0.00      
11 A2 938 923 0.00      
12 A2 602 593 0.00      
13 B1 3134 3086 18.94      
14 B1 1071 1055 2.41      
15 B1 886 872 42.00      
16 B1 739 728 2.29      
17 B1 276 272 4.29      
18 B2 3146 3098 15.07      
19 B2 3051 3004 21.46      
20 B2 1419 1397 2.07      
21 B2 1121 1103 5.04      
22 B2 1042 1026 0.90      
23 B2 892 879 14.22      
24 B2 348 342 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 18245.6 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 17966.5 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/aug-cc-pVTZ
ABC
0.65239 0.22941 0.18208

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

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 2.203
H4 0.000 -0.929 2.203
C5 0.000 0.769 -0.932
C6 0.000 -0.769 -0.932
H7 0.914 1.274 -1.235
H8 -0.914 1.274 -1.235
H9 -0.914 -1.274 -1.235
H10 0.914 -1.274 -1.235

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10
C11.32211.08801.08802.68142.68143.27283.27283.27283.2728
C21.32212.10412.10411.46471.46472.20532.20532.20532.2053
H31.08802.10411.85893.13853.56483.57433.57434.18484.1848
H41.08802.10411.85893.56483.13854.18484.18483.57433.5743
C52.68141.46473.13853.56481.53761.08801.08802.25872.2587
C62.68141.46473.56483.13851.53762.25872.25871.08801.0880
H73.27282.20533.57434.18481.08802.25871.82873.13642.5482
H83.27282.20533.57434.18481.08802.25871.82872.54823.1364
H93.27282.20534.18483.57432.25871.08803.13642.54821.8287
H103.27282.20534.18483.57432.25871.08802.54823.13641.8287

picture of Methylenecyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 148.340 C1 C2 C6 148.340
C2 C1 H3 121.319 C2 C1 H4 121.319
C2 C5 C6 58.340 C2 C5 H7 118.781
C2 C5 H8 118.781 C2 C6 C5 58.340
C2 C6 H9 118.781 C2 C6 H10 118.781
H3 C1 H4 117.361 C5 C2 C6 63.320
C5 C6 H9 117.676 C5 C6 H10 117.676
C6 C5 H7 117.676 C6 C5 H8 117.676
H7 C5 H8 114.369 H9 C6 H10 114.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.337      
2 C 0.631      
3 H 0.212      
4 H 0.212      
5 C -0.641      
6 C -0.641      
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 -0.471 0.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.581 0.000 0.000
y 0.000 -24.591 0.000
z 0.000 0.000 -24.964
Traceless
 xyz
x -0.804 0.000 0.000
y 0.000 0.682 0.000
z 0.000 0.000 0.122
Polar
3z2-r20.244
x2-y2-0.990
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.866 0.000 0.000
y 0.000 7.229 0.000
z 0.000 0.000 9.974


<r2> (average value of r2) Å2
<r2> 77.202
(<r2>)1/2 8.786