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

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-155.959460
Energy at 298.15K 
HF Energy-155.959460
Nuclear repulsion energy107.759510
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 B3LYP/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3268 3172 0.33 128.67 0.30 0.46
2 A' 3107 3015 18.45 88.27 0.71 0.83
3 A' 3022 2933 66.51 287.45 0.05 0.10
4 A' 3020 2931 48.65 150.48 0.08 0.15
5 A' 1859 1804 15.60 79.29 0.12 0.21
6 A' 1509 1465 5.13 9.98 0.32 0.48
7 A' 1455 1411 10.18 11.71 0.49 0.66
8 A' 1384 1343 0.11 7.56 0.50 0.67
9 A' 1183 1148 2.51 9.49 0.42 0.59
10 A' 1072 1040 4.55 5.15 0.10 0.19
11 A' 1049 1018 32.39 2.03 0.32 0.49
12 A' 974 945 6.01 8.70 0.17 0.30
13 A' 932 904 13.55 4.74 0.46 0.63
14 A' 669 649 0.63 15.57 0.58 0.74
15 A' 320 311 1.71 1.99 0.75 0.86
16 A" 3086 2995 45.53 125.45 0.75 0.86
17 A" 3078 2986 22.65 93.31 0.75 0.86
18 A" 1450 1407 8.06 5.80 0.75 0.86
19 A" 1105 1072 1.38 0.53 0.75 0.86
20 A" 1034 1003 0.10 1.87 0.75 0.86
21 A" 973 944 2.16 0.96 0.75 0.86
22 A" 689 669 34.69 1.74 0.75 0.86
23 A" 286 278 13.52 0.27 0.75 0.86
24 A" 167 162 0.30 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18344.4 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 17801.4 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 B3LYP/aug-cc-pVDZ
ABC
0.68290 0.21065 0.17173

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.179 0.000
C2 -0.054 -1.335 0.000
C3 1.155 -0.419 0.000
C4 -0.832 1.402 0.000
H5 -0.334 -1.870 0.918
H6 -0.334 -1.870 -0.918
H7 2.238 -0.373 0.000
H8 -0.211 2.309 0.000
H9 -1.487 1.421 -0.884
H10 -1.487 1.421 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.51521.30081.47912.27022.27022.30492.13992.12972.1297
C21.51521.51682.84561.09861.09862.48563.64713.22993.2299
C31.30081.51682.69542.27232.27231.08383.05093.33903.3390
C41.47912.84562.69543.43513.43513.54591.09851.10081.1008
H52.27021.09862.27233.43511.83563.11384.28033.92593.4880
H62.27021.09862.27233.43511.83563.11384.28033.48803.9259
H72.30492.48561.08383.54593.11383.11383.63164.22784.2278
H82.13993.64713.05091.09854.28034.28033.63161.78801.7880
H92.12973.22993.33901.10083.92593.48804.22781.78801.7689
H102.12973.22993.33901.10083.48803.92594.22781.78801.7689

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 50.812 H1 C2 C6 119.736
C2 C3 C6 24.807 C2 C3 C10 72.669
C2 C6 C3 35.399 C2 C6 H4 49.422
C2 C6 H5 33.339 C3 C2 C6 119.794
C3 C6 H4 51.593 C3 C6 H5 66.178
C3 C10 H7 9.468 C3 C10 H8 65.043
C3 C10 H9 74.640 H4 C6 H5 74.504
C6 C3 C10 86.601 H7 C10 H8 58.574
H7 C10 H9 77.924 H8 C10 H9 60.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.069      
2 C 1.075      
3 C 0.622      
4 C 0.537      
5 H -0.547      
6 H -0.547      
7 H -0.708      
8 H -0.189      
9 H -0.156      
10 H -0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.162 0.907 0.000 0.921
CHELPG 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.011 -0.680 0.000
y -0.680 -25.705 0.000
z 0.000 0.000 -26.018
Traceless
 xyz
x 1.850 -0.680 0.000
y -0.680 -0.690 0.000
z 0.000 0.000 -1.160
Polar
3z2-r2-2.320
x2-y21.693
xy-0.680
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.890 -0.610 0.000
y -0.610 8.351 0.000
z 0.000 0.000 5.771


<r2> (average value of r2) Å2
<r2> 81.130
(<r2>)1/2 9.007