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

using model chemistry: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-156.004306
Energy at 298.15K 
HF Energy-156.004306
Nuclear repulsion energy108.461760
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 B3LYPultrafine/cc-pVTZ
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' 3265 3157 0.16 122.33 0.33 0.49
2 A' 3095 2992 18.99 89.98 0.70 0.82
3 A' 3022 2922 77.44 210.82 0.09 0.17
4 A' 3018 2918 33.30 178.40 0.04 0.07
5 A' 1861 1799 14.81 61.60 0.19 0.31
6 A' 1525 1475 5.97 13.71 0.32 0.48
7 A' 1482 1433 9.58 13.73 0.60 0.75
8 A' 1409 1362 0.24 9.30 0.51 0.68
9 A' 1187 1147 2.64 7.05 0.40 0.57
10 A' 1085 1049 2.03 2.44 0.15 0.26
11 A' 1064 1028 39.19 0.87 0.30 0.46
12 A' 975 943 2.99 8.43 0.34 0.51
13 A' 942 911 15.08 6.30 0.46 0.63
14 A' 673 651 0.57 15.00 0.59 0.74
15 A' 324 313 1.79 1.83 0.75 0.85
16 A" 3080 2978 50.54 108.48 0.75 0.86
17 A" 3065 2963 19.16 89.27 0.75 0.86
18 A" 1478 1429 7.77 8.17 0.75 0.86
19 A" 1124 1087 1.21 1.45 0.75 0.86
20 A" 1054 1019 0.56 2.73 0.75 0.86
21 A" 988 956 2.32 4.00 0.75 0.86
22 A" 734 710 30.50 0.75 0.75 0.86
23 A" 301 291 11.65 0.60 0.75 0.86
24 A" 163 157 0.36 0.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18457.1 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 17842.5 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 B3LYPultrafine/cc-pVTZ
ABC
0.69271 0.21301 0.17374

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.177 0.000
C2 -0.030 -1.329 0.000
C3 1.154 -0.396 0.000
C4 -0.852 1.380 0.000
H5 -0.297 -1.863 0.911
H6 -0.297 -1.863 -0.911
H7 2.226 -0.333 0.000
H8 -0.257 2.293 0.000
H9 -1.503 1.387 -0.877
H10 -1.503 1.387 0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.50721.28821.47362.25472.25472.28382.13162.11972.1197
C21.50721.50742.83141.08951.08952.46653.63003.21263.2126
C31.28821.50742.67872.25562.25561.07443.03683.31793.3179
C41.47362.83142.67873.41453.41453.52231.09011.09271.0927
H52.25471.08952.25563.41451.82293.08854.25583.90153.4675
H62.25471.08952.25563.41451.82293.08854.25583.46753.9015
H72.28382.46651.07443.52233.08853.08853.61414.19964.1996
H82.13163.63003.03681.09014.25584.25583.61411.77331.7733
H92.11973.21263.31791.09273.90153.46754.19961.77331.7543
H102.11973.21263.31791.09273.46753.90154.19961.77331.7543

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 50.596 H1 C2 C6 119.659
C2 C3 C6 24.802 C2 C3 C10 72.788
C2 C6 C3 35.479 C2 C6 H4 49.531
C2 C6 H5 33.219 C3 C2 C6 119.719
C3 C6 H4 51.585 C3 C6 H5 66.166
C3 C10 H7 9.436 C3 C10 H8 65.227
C3 C10 H9 74.670 H4 C6 H5 74.518
C6 C3 C10 86.651 H7 C10 H8 58.782
H7 C10 H9 77.944 H8 C10 H9 60.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.085      
2 C -0.232      
3 C -0.202      
4 C -0.254      
5 H 0.083      
6 H 0.083      
7 H 0.120      
8 H 0.104      
9 H 0.106      
10 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.165 0.902 0.000 0.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.769 -0.627 0.000
y -0.627 -25.452 0.000
z 0.000 0.000 -25.798
Traceless
 xyz
x 1.856 -0.627 0.000
y -0.627 -0.668 0.000
z 0.000 0.000 -1.188
Polar
3z2-r2-2.376
x2-y21.683
xy-0.627
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.337 -0.582 0.000
y -0.582 7.763 0.000
z 0.000 0.000 5.100


<r2> (average value of r2) Å2
<r2> 80.205
(<r2>)1/2 8.956