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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-155.782441
Energy at 298.15K 
HF Energy-155.590757
Nuclear repulsion energy107.650680
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 B2PLYP=FULLultrafine/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' 3294 3294 0.31 130.76 0.28 0.44
2 A' 3136 3136 17.32 82.56 0.72 0.84
3 A' 3055 3055 81.83 168.70 0.12 0.22
4 A' 3043 3043 26.14 260.00 0.01 0.03
5 A' 1844 1844 14.72 65.67 0.11 0.19
6 A' 1518 1518 5.11 9.34 0.33 0.50
7 A' 1474 1474 9.57 10.99 0.50 0.66
8 A' 1393 1393 0.03 5.22 0.55 0.71
9 A' 1190 1190 3.12 8.88 0.40 0.57
10 A' 1076 1076 2.85 5.61 0.08 0.14
11 A' 1053 1053 33.18 2.50 0.26 0.41
12 A' 980 980 5.85 9.56 0.13 0.23
13 A' 936 936 13.35 4.83 0.42 0.59
14 A' 669 669 0.62 14.96 0.57 0.73
15 A' 320 320 1.70 1.88 0.75 0.86
16 A" 3126 3126 46.05 117.24 0.75 0.86
17 A" 3111 3111 16.62 83.76 0.75 0.86
18 A" 1469 1469 7.94 5.69 0.75 0.86
19 A" 1108 1108 1.43 0.52 0.75 0.86
20 A" 1039 1039 0.03 1.54 0.75 0.86
21 A" 982 982 2.07 0.96 0.75 0.86
22 A" 685 685 34.01 1.55 0.75 0.86
23 A" 280 280 13.14 0.28 0.75 0.86
24 A" 168 168 0.40 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18473.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18473.1 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 B2PLYP=FULLultrafine/daug-cc-pVDZ
ABC
0.68179 0.21008 0.17128

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.180 0.000
C2 -0.066 -1.336 0.000
C3 1.155 -0.431 0.000
C4 -0.822 1.412 0.000
H5 -0.348 -1.865 0.918
H6 -0.348 -1.865 -0.918
H7 2.236 -0.396 0.000
H8 -0.192 2.310 0.000
H9 -1.473 1.434 -0.884
H10 -1.473 1.434 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.51691.30631.48082.26842.26842.30922.13872.12782.1278
C21.51691.51962.84931.09641.09642.48683.64763.23043.2304
C31.30631.51962.70222.27082.27081.08213.05403.34213.3421
C41.48082.84932.70223.43593.43593.55241.09681.09891.0989
H52.26841.09642.27083.43591.83563.11084.27763.92473.4866
H62.26841.09642.27083.43591.83563.11084.27763.48663.9247
H72.30922.48681.08213.55243.11083.11083.63604.23034.2303
H82.13873.64763.05401.09684.27764.27763.63601.78611.7861
H92.12783.23043.34211.09893.92473.48664.23031.78611.7688
H102.12783.23043.34211.09893.48663.92474.23031.78611.7688

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 50.960 H1 C2 C6 119.593
C2 C3 C6 24.826 C2 C3 C10 72.565
C2 C6 C3 35.587 C2 C6 H4 49.539
C2 C6 H5 33.161 C3 C2 C6 119.587
C3 C6 H4 51.753 C3 C6 H5 66.160
C3 C10 H7 9.429 C3 C10 H8 65.066
C3 C10 H9 74.655 H4 C6 H5 74.507
C6 C3 C10 86.514 H7 C10 H8 58.635
H7 C10 H9 77.933 H8 C10 H9 60.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.406      
2 C 1.790      
3 C 1.759      
4 C 0.752      
5 H -0.766      
6 H -0.766      
7 H -0.726      
8 H -0.347      
9 H -0.146      
10 H -0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.150 0.873 0.000 0.885
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.146 -0.671 0.006
y -0.671 -25.756 0.003
z 0.006 0.003 -26.175
Traceless
 xyz
x 1.819 -0.671 0.006
y -0.671 -0.595 0.003
z 0.006 0.003 -1.224
Polar
3z2-r2-2.449
x2-y21.609
xy-0.671
xz0.006
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.827 -0.568 -0.000
y -0.568 8.261 -0.001
z -0.000 -0.001 5.772


<r2> (average value of r2) Å2
<r2> 81.322
(<r2>)1/2 9.018