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

using model chemistry: B97D3/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 B97D3/daug-cc-pVDZ
 hartrees
Energy at 0K-155.859463
Energy at 298.15K 
HF Energy-155.859463
Nuclear repulsion energy107.574810
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 B97D3/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' 3209 3209 1.47 144.74 0.30 0.46
2 A' 3056 3056 24.56 95.42 0.71 0.83
3 A' 2962 2962 30.68 341.31 0.01 0.02
4 A' 2957 2957 115.30 141.50 0.21 0.34
5 A' 1823 1823 15.67 85.55 0.11 0.20
6 A' 1482 1482 7.15 11.31 0.31 0.47
7 A' 1432 1432 9.86 12.77 0.47 0.64
8 A' 1353 1353 0.20 10.43 0.48 0.64
9 A' 1167 1167 1.33 9.01 0.42 0.59
10 A' 1051 1051 8.09 6.42 0.13 0.22
11 A' 1027 1027 25.72 1.29 0.47 0.64
12 A' 959 959 6.47 7.44 0.18 0.31
13 A' 910 910 13.33 4.27 0.49 0.66
14 A' 669 669 0.72 15.13 0.57 0.72
15 A' 311 311 1.72 2.09 0.75 0.86
16 A" 3024 3024 1.67 95.58 0.75 0.86
17 A" 3020 3020 86.69 146.00 0.75 0.86
18 A" 1427 1427 7.31 6.02 0.75 0.86
19 A" 1086 1086 1.52 0.53 0.75 0.86
20 A" 1011 1011 0.01 1.56 0.75 0.86
21 A" 955 955 2.21 0.83 0.75 0.86
22 A" 657 657 31.92 1.52 0.75 0.86
23 A" 272 272 12.74 0.17 0.75 0.86
24 A" 165 165 0.42 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17991.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17991.8 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 B97D3/daug-cc-pVDZ
ABC
0.68113 0.21004 0.17128

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.181 0.000
C2 -0.055 -1.332 0.000
C3 1.159 -0.425 0.000
C4 -0.833 1.404 0.000
H5 -0.339 -1.868 0.921
H6 -0.339 -1.868 -0.921
H7 2.245 -0.385 0.000
H8 -0.213 2.314 0.000
H9 -1.491 1.420 -0.886
H10 -1.491 1.420 0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.51431.30811.47982.27222.27222.31562.14412.13152.1315
C21.51431.51572.84471.10281.10282.48803.65013.22833.2283
C31.30811.51572.70452.27492.27491.08703.06413.34853.3485
C41.47982.84472.70453.43523.43523.56031.10131.10401.1040
H52.27221.10282.27493.43521.84223.11894.28483.92523.4844
H62.27221.10282.27493.43521.84223.11894.28483.48443.9252
H72.31562.48801.08703.56033.11893.11893.65114.24284.2428
H82.14413.65013.06411.10134.28484.28483.65111.79391.7939
H92.13153.22833.34851.10403.92523.48444.24281.79391.7730
H102.13153.22833.34851.10403.48443.92524.24281.79391.7730

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 51.153 H1 C2 C6 119.676
C2 C3 C6 24.877 C2 C3 C10 72.289
C2 C6 C3 35.321 C2 C6 H4 49.463
C2 C6 H5 33.363 C3 C2 C6 119.802
C3 C6 H4 51.818 C3 C6 H5 66.116
C3 C10 H7 9.402 C3 C10 H8 65.186
C3 C10 H9 74.648 H4 C6 H5 74.447
C6 C3 C10 86.310 H7 C10 H8 58.783
H7 C10 H9 77.940 H8 C10 H9 60.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.922      
2 C 1.866      
3 C 1.667      
4 C 0.373      
5 H -0.791      
6 H -0.791      
7 H -0.812      
8 H -0.335      
9 H -0.127      
10 H -0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.179 0.902 0.000 0.920
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.927 -0.715 0.000
y -0.715 -25.561 0.000
z 0.000 0.000 -25.927
Traceless
 xyz
x 1.817 -0.715 0.000
y -0.715 -0.634 0.000
z 0.000 0.000 -1.183
Polar
3z2-r2-2.366
x2-y21.634
xy-0.715
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.148 -0.644 0.000
y -0.644 8.621 0.000
z 0.000 0.000 5.964


<r2> (average value of r2) Å2
<r2> 81.251
(<r2>)1/2 9.014