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

using model chemistry: HSEh1PBE/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 HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-155.777974
Energy at 298.15K 
HF Energy-155.777974
Nuclear repulsion energy108.119821
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/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' 3295 3170 0.46 124.28 0.29 0.45
2 A' 3143 3025 15.27 84.29 0.72 0.84
3 A' 3043 2928 18.43 344.47 0.01 0.01
4 A' 3040 2925 93.47 95.04 0.31 0.48
5 A' 1887 1816 15.32 81.87 0.12 0.21
6 A' 1509 1452 4.82 9.55 0.33 0.50
7 A' 1452 1397 10.97 11.16 0.49 0.65
8 A' 1378 1326 0.32 7.43 0.52 0.69
9 A' 1209 1163 1.99 9.12 0.44 0.61
10 A' 1090 1049 12.35 8.57 0.16 0.28
11 A' 1061 1021 20.84 0.54 0.63 0.78
12 A' 988 950 11.56 6.75 0.16 0.28
13 A' 938 903 13.36 3.68 0.53 0.69
14 A' 694 668 1.10 14.93 0.56 0.72
15 A' 322 309 1.87 1.78 0.75 0.86
16 A" 3113 2996 0.94 83.64 0.75 0.86
17 A" 3108 2990 63.10 129.07 0.75 0.86
18 A" 1447 1393 9.00 5.54 0.75 0.86
19 A" 1108 1066 1.26 0.52 0.75 0.86
20 A" 1036 997 0.07 2.25 0.75 0.86
21 A" 975 938 2.47 0.71 0.75 0.86
22 A" 703 676 34.58 1.53 0.75 0.86
23 A" 293 282 13.64 0.25 0.75 0.86
24 A" 167 161 0.37 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18498.8 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 17799.5 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/aug-cc-pVDZ
ABC
0.68807 0.21224 0.17310

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.180 0.000
C2 -0.054 -1.326 0.000
C3 1.152 -0.422 0.000
C4 -0.829 1.396 0.000
H5 -0.336 -1.860 0.918
H6 -0.336 -1.860 -0.918
H7 2.235 -0.381 0.000
H8 -0.211 2.303 0.000
H9 -1.484 1.413 -0.883
H10 -1.484 1.413 0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.50671.29981.47192.26212.26212.30432.13392.12182.1218
C21.50671.50742.83021.09881.09882.47633.63263.21313.2131
C31.29981.50742.68872.26392.26391.08363.04703.33083.3308
C41.47192.83022.68873.41913.41913.54191.09751.10001.1000
H52.26211.09882.26393.41911.83573.10464.26543.90823.4685
H62.26211.09882.26393.41911.83573.10464.26543.46853.9082
H72.30432.47631.08363.54193.10463.10463.63164.22234.2223
H82.13393.63263.04701.09754.26544.26543.63161.78741.7874
H92.12183.21313.33081.10003.90823.46854.22231.78741.7669
H102.12183.21313.33081.10003.46853.90824.22231.78741.7669

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 51.091 H1 C2 C6 119.682
C2 C3 C6 24.912 C2 C3 C10 72.364
C2 C6 C3 35.300 C2 C6 H4 49.424
C2 C6 H5 33.348 C3 C2 C6 119.788
C3 C6 H4 51.739 C3 C6 H5 66.081
C3 C10 H7 9.421 C3 C10 H8 65.146
C3 C10 H9 74.619 H4 C6 H5 74.428
C6 C3 C10 86.407 H7 C10 H8 58.733
H7 C10 H9 77.923 H8 C10 H9 60.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.090      
2 C 0.757      
3 C 0.477      
4 C 0.152      
5 H -0.390      
6 H -0.390      
7 H -0.568      
8 H -0.071      
9 H -0.029      
10 H -0.029      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.168 0.917 0.000 0.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.656 -0.719 0.000
y -0.719 -25.374 0.000
z 0.000 0.000 -25.806
Traceless
 xyz
x 1.934 -0.719 0.000
y -0.719 -0.643 0.000
z 0.000 0.000 -1.291
Polar
3z2-r2-2.582
x2-y21.719
xy-0.719
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.777 -0.617 0.000
y -0.617 8.208 0.000
z 0.000 0.000 5.703


<r2> (average value of r2) Å2
<r2> 80.466
(<r2>)1/2 8.970