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All results from a given calculation for C4H6 (1-Methylcyclopropene)

using model chemistry: B97D3/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-155.858544
Energy at 298.15K 
HF Energy-155.858544
Nuclear repulsion energy107.556267
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-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3210 3210 1.56 143.92 0.30 0.47
2 A' 3059 3059 23.99 94.52 0.71 0.83
3 A' 2965 2965 28.62 354.98 0.01 0.02
4 A' 2959 2959 114.26 119.83 0.26 0.42
5 A' 1824 1824 15.64 84.14 0.12 0.21
6 A' 1483 1483 7.03 10.92 0.31 0.48
7 A' 1428 1428 9.91 12.50 0.47 0.64
8 A' 1354 1354 0.19 10.16 0.48 0.64
9 A' 1166 1166 1.31 9.57 0.41 0.58
10 A' 1051 1051 8.33 6.75 0.13 0.24
11 A' 1026 1026 25.25 1.30 0.46 0.63
12 A' 959 959 6.81 7.57 0.19 0.32
13 A' 910 910 13.10 4.26 0.47 0.64
14 A' 669 669 0.71 15.21 0.57 0.73
15 A' 311 311 1.68 2.04 0.75 0.86
16 A" 3027 3027 3.02 94.40 0.75 0.86
17 A" 3022 3022 83.83 146.19 0.75 0.86
18 A" 1423 1423 7.29 5.88 0.75 0.86
19 A" 1088 1088 1.53 0.49 0.75 0.86
20 A" 1010 1010 0.00 1.65 0.75 0.86
21 A" 955 955 2.16 0.76 0.75 0.86
22 A" 658 658 32.34 1.63 0.75 0.86
23 A" 273 273 12.99 0.18 0.75 0.86
24 A" 165 165 0.33 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17997.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17997.5 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-pVDZ
ABC
0.68073 0.21002 0.17126

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.181 0.000
C2 -0.053 -1.332 0.000
C3 1.160 -0.423 0.000
C4 -0.835 1.403 0.000
H5 -0.337 -1.869 0.922
H6 -0.337 -1.869 -0.922
H7 2.247 -0.382 0.000
H8 -0.216 2.314 0.000
H9 -1.494 1.418 -0.887
H10 -1.494 1.418 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.51431.30811.47982.27262.27262.31652.14422.13222.1322
C21.51431.51582.84451.10341.10342.48903.65033.22863.2286
C31.30811.51582.70482.27552.27551.08793.06433.34933.3493
C41.47982.84452.70483.43523.43523.56161.10201.10461.1046
H52.27261.10342.27553.43521.84323.12034.28523.92563.4844
H62.27261.10342.27553.43521.84323.12034.28523.48443.9256
H72.31652.48901.08793.56163.12033.12033.65204.24474.2447
H82.14423.65033.06431.10204.28524.28523.65201.79501.7950
H92.13223.22863.34931.10463.92563.48444.24471.79501.7738
H102.13223.22863.34931.10463.48443.92564.24471.79501.7738

picture of 1-Methylcyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 51.152 H1 C2 C6 119.670
C2 C3 C6 24.883 C2 C3 C10 72.270
C2 C6 C3 35.312 C2 C6 H4 49.467
C2 C6 H5 33.361 C3 C2 C6 119.806
C3 C6 H4 51.825 C3 C6 H5 66.109
C3 C10 H7 9.403 C3 C10 H8 65.166
C3 C10 H9 74.645 H4 C6 H5 74.438
C6 C3 C10 86.294 H7 C10 H8 58.763
H7 C10 H9 77.939 H8 C10 H9 60.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.167      
2 C 0.898      
3 C 0.550      
4 C 0.280      
5 H -0.467      
6 H -0.467      
7 H -0.658      
8 H -0.129      
9 H -0.087      
10 H -0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.176 0.907 0.000 0.924
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.909 -0.708 0.000
y -0.708 -25.587 0.000
z 0.000 0.000 -25.906
Traceless
 xyz
x 1.838 -0.708 0.000
y -0.708 -0.679 0.000
z 0.000 0.000 -1.159
Polar
3z2-r2-2.317
x2-y21.678
xy-0.708
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.104 -0.661 0.000
y -0.661 8.592 0.000
z 0.000 0.000 5.908


<r2> (average value of r2) Å2
<r2> 81.264
(<r2>)1/2 9.015