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

using model chemistry: TPSSh/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/daug-cc-pVTZ
 hartrees
Energy at 0K-156.016119
Energy at 298.15K 
HF Energy-156.016119
Nuclear repulsion energy108.342718
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 TPSSh/daug-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 A' 3255 3255 0.28 131.50 0.29 0.45
2 A' 3096 3096 20.13 88.88 0.70 0.82
3 A' 3017 3017 66.82 308.79 0.04 0.08
4 A' 3014 3014 52.67 133.10 0.10 0.18
5 A' 1848 1848 15.04 76.26 0.11 0.20
6 A' 1528 1528 6.37 10.72 0.30 0.46
7 A' 1490 1490 9.81 11.60 0.50 0.67
8 A' 1408 1408 0.25 8.43 0.46 0.63
9 A' 1192 1192 1.86 8.63 0.39 0.56
10 A' 1086 1086 6.37 4.83 0.10 0.19
11 A' 1066 1066 31.10 1.51 0.46 0.63
12 A' 980 980 4.61 8.27 0.21 0.34
13 A' 945 945 13.40 4.89 0.45 0.62
14 A' 682 682 0.59 14.64 0.54 0.70
15 A' 323 323 1.77 1.92 0.75 0.86
16 A" 3075 3075 48.15 123.74 0.75 0.86
17 A" 3065 3065 22.93 91.33 0.75 0.86
18 A" 1486 1486 7.44 5.84 0.75 0.86
19 A" 1119 1119 1.80 0.57 0.75 0.86
20 A" 1049 1049 0.11 1.81 0.75 0.86
21 A" 990 990 2.16 0.87 0.75 0.86
22 A" 732 732 33.47 1.37 0.75 0.86
23 A" 301 301 12.60 0.23 0.75 0.86
24 A" 163 163 0.38 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18454.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18454.7 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 TPSSh/daug-cc-pVTZ
ABC
0.69244 0.21242 0.17339

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.178 0.000
C2 -0.037 -1.329 0.000
C3 1.153 -0.406 0.000
C4 -0.845 1.387 0.000
H5 -0.308 -1.861 0.913
H6 -0.308 -1.861 -0.913
H7 2.228 -0.352 0.000
H8 -0.243 2.297 0.000
H9 -1.497 1.395 -0.879
H10 -1.497 1.395 0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.50751.29291.47482.25552.25552.29062.13252.11992.1199
C21.50751.50592.83331.09131.09132.46723.63153.21303.2130
C31.29291.50592.68502.25522.25521.07663.04243.32273.3227
C41.47482.83332.68503.41613.41613.53141.09141.09421.0942
H52.25551.09132.25523.41611.82683.08974.25743.90223.4663
H62.25551.09132.25523.41611.82683.08974.25743.46633.9022
H72.29062.46721.07663.53143.08973.08973.62264.20734.2073
H82.13253.63153.04241.09144.25744.25743.62261.77711.7771
H92.11993.21303.32271.09423.90223.46634.20731.77711.7581
H102.11993.21303.32271.09423.46633.90224.20731.77711.7581

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 119.574
C2 C3 C6 24.863 C2 C3 C10 72.646
C2 C6 C3 35.463 C2 C6 H4 49.589
C2 C6 H5 33.178 C3 C2 C6 119.674
C3 C6 H4 51.714 C3 C6 H5 66.108
C3 C10 H7 9.413 C3 C10 H8 65.262
C3 C10 H9 74.659 H4 C6 H5 74.492
C6 C3 C10 86.561 H7 C10 H8 58.844
H7 C10 H9 77.940 H8 C10 H9 60.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.456      
2 C -0.826      
3 C -1.208      
4 C 0.726      
5 H -0.168      
6 H -0.168      
7 H -0.127      
8 H 0.097      
9 H 0.109      
10 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.171 0.892 0.000 0.908
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.792 -0.623 0.000
y -0.623 8.232 0.000
z 0.000 0.000 5.696


<r2> (average value of r2) Å2
<r2> 80.254
(<r2>)1/2 8.958