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

using model chemistry: TPSSh/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 TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-155.977026
Energy at 298.15K 
HF Energy-155.977026
Nuclear repulsion energy107.726790
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/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' 3264 3157 0.58 138.59 0.30 0.46
2 A' 3108 3006 23.22 90.21 0.71 0.83
3 A' 3018 2919 24.15 368.89 0.01 0.01
4 A' 3015 2917 108.25 77.56 0.45 0.62
5 A' 1852 1792 15.24 77.44 0.12 0.21
6 A' 1519 1469 7.06 10.41 0.32 0.49
7 A' 1471 1423 9.33 12.04 0.50 0.66
8 A' 1391 1345 0.27 8.27 0.49 0.66
9 A' 1193 1154 1.52 9.38 0.39 0.56
10 A' 1081 1046 10.80 6.61 0.13 0.23
11 A' 1055 1020 23.45 0.77 0.57 0.72
12 A' 979 947 7.06 8.61 0.18 0.31
13 A' 938 907 12.12 4.70 0.48 0.65
14 A' 680 658 0.68 15.41 0.55 0.71
15 A' 318 308 1.70 1.89 0.75 0.86
16 A" 3080 2979 18.33 110.39 0.75 0.86
17 A" 3077 2976 63.40 113.78 0.75 0.86
18 A" 1467 1419 6.96 6.08 0.75 0.86
19 A" 1105 1069 1.95 0.52 0.75 0.86
20 A" 1034 1001 0.01 1.82 0.75 0.86
21 A" 979 947 1.99 0.95 0.75 0.86
22 A" 694 672 34.15 1.52 0.75 0.86
23 A" 288 279 12.95 0.25 0.75 0.86
24 A" 164 158 0.34 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18384.9 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 17783.7 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/aug-cc-pVDZ
ABC
0.68446 0.21023 0.17157

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.180 0.000
C2 -0.060 -1.333 0.000
C3 1.153 -0.429 0.000
C4 -0.825 1.408 0.000
H5 -0.343 -1.866 0.919
H6 -0.343 -1.866 -0.919
H7 2.237 -0.391 0.000
H8 -0.199 2.311 0.000
H9 -1.480 1.428 -0.885
H10 -1.480 1.428 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.51481.30451.47992.26942.26942.30852.13982.12842.1284
C21.51481.51332.84671.09911.09912.48283.64673.22873.2287
C31.30451.51332.70052.26912.26911.08413.05543.34153.3415
C41.47992.84672.70053.43543.43543.55161.09841.10091.1009
H52.26941.09912.26913.43541.83713.11084.27943.92433.4853
H62.26941.09912.26913.43541.83713.11084.27943.48533.9243
H72.30852.48281.08413.55163.11083.11083.63734.23124.2312
H82.13983.64673.05541.09844.27944.27943.63731.78951.7895
H92.12843.22873.34151.10093.92433.48534.23121.78951.7704
H102.12843.22873.34151.10093.48533.92434.23121.78951.7704

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 51.035 H1 C2 C6 119.660
C2 C3 C6 24.868 C2 C3 C10 72.560
C2 C6 C3 35.381 C2 C6 H4 49.481
C2 C6 H5 33.306 C3 C2 C6 119.751
C3 C6 H4 51.721 C3 C6 H5 66.121
C3 C10 H7 9.450 C3 C10 H8 65.116
C3 C10 H9 74.639 H4 C6 H5 74.491
C6 C3 C10 86.542 H7 C10 H8 58.665
H7 C10 H9 77.924 H8 C10 H9 60.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.115      
2 C 0.718      
3 C 0.500      
4 C 0.092      
5 H -0.375      
6 H -0.375      
7 H -0.555      
8 H -0.068      
9 H -0.025      
10 H -0.025      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.152 0.897 0.000 0.910
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 7.852 -0.631 0.000
y -0.631 8.343 0.000
z 0.000 0.000 5.741


<r2> (average value of r2) Å2
<r2> 81.004
(<r2>)1/2 9.000