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

using model chemistry: B3LYP/daug-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/daug-cc-pVDZ
 hartrees
Energy at 0K-155.960616
Energy at 298.15K 
HF Energy-155.960616
Nuclear repulsion energy107.784328
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/daug-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 3268 0.32 129.00 0.29 0.45
2 A' 3104 3104 18.85 89.35 0.71 0.83
3 A' 3020 3020 87.10 198.98 0.11 0.19
4 A' 3018 3018 30.77 248.49 0.02 0.04
5 A' 1858 1858 15.70 79.97 0.11 0.20
6 A' 1509 1509 5.23 10.41 0.31 0.47
7 A' 1458 1458 10.18 11.93 0.49 0.66
8 A' 1384 1384 0.09 7.78 0.50 0.66
9 A' 1183 1183 2.53 8.98 0.42 0.60
10 A' 1072 1072 4.05 4.85 0.10 0.18
11 A' 1051 1051 33.12 2.09 0.33 0.49
12 A' 974 974 5.67 8.55 0.17 0.29
13 A' 932 932 13.85 4.74 0.47 0.64
14 A' 669 669 0.65 15.43 0.58 0.73
15 A' 321 321 1.76 2.02 0.75 0.86
16 A" 3085 3085 49.15 127.11 0.75 0.86
17 A" 3075 3075 20.35 92.51 0.75 0.86
18 A" 1454 1454 8.14 5.91 0.75 0.86
19 A" 1104 1104 1.33 0.58 0.75 0.86
20 A" 1035 1035 0.11 1.73 0.75 0.86
21 A" 972 972 2.18 1.02 0.75 0.86
22 A" 687 687 34.17 1.63 0.75 0.86
23 A" 284 284 13.28 0.25 0.75 0.86
24 A" 168 168 0.39 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18341.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18341.8 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/daug-cc-pVDZ
ABC
0.68345 0.21067 0.17177

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.179 0.000
C2 -0.057 -1.335 0.000
C3 1.154 -0.422 0.000
C4 -0.828 1.405 0.000
H5 -0.338 -1.869 0.917
H6 -0.338 -1.869 -0.917
H7 2.235 -0.378 0.000
H8 -0.205 2.309 0.000
H9 -1.482 1.425 -0.884
H10 -1.482 1.425 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.51511.30071.47912.26962.26962.30372.13962.12872.1287
C21.51511.51662.84591.09791.09792.48443.64673.22963.2296
C31.30071.51662.69492.27152.27151.08273.05023.33783.3378
C41.47912.84592.69493.43533.43533.54421.09761.10001.1000
H52.26961.09792.27153.43531.83433.11214.27973.92543.4880
H62.26961.09792.27153.43531.83433.11214.27973.48803.9254
H72.30372.48441.08273.54423.11213.11213.63004.22544.2254
H82.13963.64673.05021.09764.27974.27973.63001.78671.7867
H92.12873.22963.33781.10003.92543.48804.22541.78671.7679
H102.12873.22963.33781.10003.48803.92544.22541.78671.7679

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 50.815 H1 C2 C6 119.743
C2 C3 C6 24.800 C2 C3 C10 72.699
C2 C6 C3 35.410 C2 C6 H4 49.416
C2 C6 H5 33.341 C3 C2 C6 119.790
C3 C6 H4 51.580 C3 C6 H5 66.186
C3 C10 H7 9.470 C3 C10 H8 65.060
C3 C10 H9 74.643 H4 C6 H5 74.515
C6 C3 C10 86.628 H7 C10 H8 58.588
H7 C10 H9 77.924 H8 C10 H9 60.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.090      
2 C 2.135      
3 C 1.878      
4 C 0.777      
5 H -0.922      
6 H -0.922      
7 H -0.903      
8 H -0.457      
9 H -0.248      
10 H -0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.165 0.902 0.000 0.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.028 -0.687 0.000
y -0.687 -25.665 0.000
z 0.000 0.000 -26.043
Traceless
 xyz
x 1.826 -0.687 0.000
y -0.687 -0.630 0.000
z 0.000 0.000 -1.197
Polar
3z2-r2-2.393
x2-y21.637
xy-0.687
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.920 -0.595 0.000
y -0.595 8.369 0.000
z 0.000 0.000 5.818


<r2> (average value of r2) Å2
<r2> 81.108
(<r2>)1/2 9.006