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

using model chemistry: wB97X-D/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 wB97X-D/aug-cc-pVDZ
 hartrees
Energy at 0K-155.903413
Energy at 298.15K 
HF Energy-155.903413
Nuclear repulsion energy107.950493
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 wB97X-D/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' 3301 3160 0.51 111.94 0.29 0.45
2 A' 3143 3009 16.49 77.09 0.72 0.84
3 A' 3045 2915 58.62 276.91 0.04 0.08
4 A' 3043 2913 48.42 121.50 0.09 0.16
5 A' 1888 1807 16.46 73.31 0.12 0.21
6 A' 1515 1450 3.87 7.74 0.34 0.51
7 A' 1463 1400 10.64 9.73 0.50 0.67
8 A' 1391 1332 0.24 4.70 0.55 0.71
9 A' 1197 1145 4.13 8.66 0.46 0.63
10 A' 1085 1039 9.14 8.38 0.11 0.20
11 A' 1062 1016 25.86 1.60 0.43 0.60
12 A' 985 943 9.83 7.90 0.14 0.25
13 A' 937 897 14.32 4.79 0.38 0.55
14 A' 686 657 1.14 14.69 0.56 0.72
15 A' 319 305 1.86 1.64 0.75 0.86
16 A" 3118 2985 0.74 77.44 0.75 0.86
17 A" 3115 2982 60.44 111.37 0.75 0.86
18 A" 1459 1397 9.13 5.00 0.75 0.86
19 A" 1110 1062 1.24 0.53 0.75 0.86
20 A" 1043 998 0.20 1.98 0.75 0.86
21 A" 978 937 2.29 0.92 0.75 0.86
22 A" 708 678 36.89 1.89 0.75 0.86
23 A" 288 275 14.56 0.32 0.75 0.86
24 A" 164 157 0.35 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18520.2 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 17729.4 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 wB97X-D/aug-cc-pVDZ
ABC
0.68419 0.21158 0.17245

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.179 0.000
C2 -0.047 -1.333 0.000
C3 1.155 -0.411 0.000
C4 -0.839 1.395 0.000
H5 -0.323 -1.867 0.919
H6 -0.323 -1.867 -0.919
H7 2.237 -0.359 0.000
H8 -0.223 2.303 0.000
H9 -1.491 1.405 -0.885
H10 -1.491 1.405 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.51241.29731.47732.26562.26562.30032.13572.12342.1234
C21.51241.51492.84011.09781.09782.48283.63993.21893.2189
C31.29731.51492.69052.26872.26871.08263.04413.32923.3292
C41.47732.84012.69053.42753.42753.54031.09721.09921.0992
H52.26561.09782.26873.42751.83733.10954.27083.91413.4739
H62.26561.09782.26873.42751.83733.10954.27083.47393.9141
H72.30032.48281.08263.54033.10953.10953.62414.21754.2175
H82.13573.63993.04411.09724.27084.27083.62411.78811.7881
H92.12343.21893.32921.09923.91413.47394.21751.78811.7698
H102.12343.21893.32921.09923.47393.91414.21751.78811.7698

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 50.748 H1 C2 C6 119.608
C2 C3 C6 24.858 C2 C3 C10 72.594
C2 C6 C3 35.459 C2 C6 H4 49.505
C2 C6 H5 33.192 C3 C2 C6 119.683
C3 C6 H4 51.619 C3 C6 H5 66.114
C3 C10 H7 9.472 C3 C10 H8 65.091
C3 C10 H9 74.585 H4 C6 H5 74.453
C6 C3 C10 86.543 H7 C10 H8 58.633
H7 C10 H9 77.888 H8 C10 H9 60.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.048      
2 C 0.757      
3 C 0.464      
4 C 0.188      
5 H -0.393      
6 H -0.393      
7 H -0.537      
8 H -0.067      
9 H -0.033      
10 H -0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.169 0.915 0.000 0.930
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.542 -0.670 0.000
y -0.670 -25.262 0.000
z 0.000 0.000 -25.740
Traceless
 xyz
x 1.959 -0.670 0.000
y -0.670 -0.621 0.000
z 0.000 0.000 -1.338
Polar
3z2-r2-2.675
x2-y21.720
xy-0.670
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.726 -0.582 0.000
y -0.582 8.118 0.000
z 0.000 0.000 5.710


<r2> (average value of r2) Å2
<r2> 80.610
(<r2>)1/2 8.978