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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-155.770845
Energy at 298.15K 
HF Energy-155.770845
Nuclear repulsion energy108.091974
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 HSEh1PBE/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' 3296 3170 0.51 122.36 0.30 0.46
2 A' 3152 3032 12.67 94.83 0.73 0.84
3 A' 3047 2931 21.31 235.89 0.01 0.02
4 A' 3036 2921 80.93 136.40 0.19 0.32
5 A' 1898 1826 12.69 62.33 0.21 0.35
6 A' 1496 1439 6.02 15.66 0.40 0.57
7 A' 1449 1393 10.41 19.13 0.66 0.79
8 A' 1381 1328 0.24 13.12 0.58 0.74
9 A' 1217 1171 1.39 7.51 0.53 0.70
10 A' 1097 1055 16.49 4.68 0.32 0.48
11 A' 1061 1020 19.13 0.13 0.56 0.72
12 A' 989 951 9.46 6.99 0.41 0.58
13 A' 936 900 14.16 6.47 0.62 0.77
14 A' 700 673 1.23 16.56 0.60 0.75
15 A' 321 309 1.91 1.65 0.75 0.85
16 A" 3119 3000 4.67 97.10 0.75 0.86
17 A" 3106 2987 61.60 116.35 0.75 0.86
18 A" 1445 1390 9.21 13.28 0.75 0.86
19 A" 1106 1064 0.49 2.80 0.75 0.86
20 A" 1038 998 0.80 5.20 0.75 0.86
21 A" 977 940 3.41 6.21 0.75 0.86
22 A" 734 706 26.37 0.82 0.75 0.86
23 A" 299 288 10.67 0.97 0.75 0.86
24 A" 164 158 0.57 0.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18530.7 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 17824.6 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 HSEh1PBE/cc-pVDZ
ABC
0.68808 0.21221 0.17311

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.181 0.000
C2 -0.047 -1.325 0.000
C3 1.154 -0.417 0.000
C4 -0.835 1.391 0.000
H5 -0.329 -1.862 0.920
H6 -0.329 -1.862 -0.920
H7 2.239 -0.373 0.000
H8 -0.227 2.307 0.000
H9 -1.494 1.405 -0.884
H10 -1.494 1.405 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.50591.30021.47082.26412.26412.30662.13842.12412.1241
C21.50591.50532.82791.10211.10212.47633.63603.21323.2132
C31.30021.50532.68902.26562.26561.08573.05453.33413.3341
C41.47082.82792.68903.41833.41833.54471.09951.10231.1023
H52.26411.10212.26563.41831.83993.10804.27023.90903.4683
H62.26411.10212.26563.41831.83993.10804.27023.46833.9090
H72.30662.47631.08573.54473.10803.10803.64174.22834.2283
H82.13843.63603.05451.09954.27024.27023.64171.78911.7891
H92.12413.21323.33411.10233.90903.46834.22831.78911.7674
H102.12413.21323.33411.10233.46833.90904.22831.78911.7674

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 51.161 H1 C2 C6 119.682
C2 C3 C6 24.948 C2 C3 C10 72.264
C2 C6 C3 35.180 C2 C6 H4 49.411
C2 C6 H5 33.409 C3 C2 C6 119.872
C3 C6 H4 51.760 C3 C6 H5 66.043
C3 C10 H7 9.407 C3 C10 H8 65.291
C3 C10 H9 74.630 H4 C6 H5 74.388
C6 C3 C10 86.323 H7 C10 H8 58.891
H7 C10 H9 77.936 H8 C10 H9 60.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 C -0.036      
3 C -0.143      
4 C -0.045      
5 H 0.033      
6 H 0.033      
7 H 0.003      
8 H 0.062      
9 H 0.066      
10 H 0.066      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.170 0.944 0.000 0.959
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.269 -0.711 0.000
y -0.711 -25.032 0.000
z 0.000 0.000 -25.476
Traceless
 xyz
x 1.985 -0.711 0.000
y -0.711 -0.660 0.000
z 0.000 0.000 -1.325
Polar
3z2-r2-2.650
x2-y21.764
xy-0.711
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.858 -0.592 0.000
y -0.592 7.232 0.000
z 0.000 0.000 4.468


<r2> (average value of r2) Å2
<r2> 80.279
(<r2>)1/2 8.960