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

using model chemistry: B3LYP/daug-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 B3LYP/daug-cc-pVTZ
 hartrees
Energy at 0K-156.005768
Energy at 298.15K 
HF Energy-156.005768
Nuclear repulsion energy108.465142
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 B3LYP/daug-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' 3262 3262 0.30 124.42 0.29 0.45
2 A' 3094 3094 18.29 87.83 0.69 0.82
3 A' 3022 3022 76.57 234.74 0.07 0.14
4 A' 3018 3018 34.56 200.74 0.04 0.07
5 A' 1857 1857 16.01 77.57 0.11 0.20
6 A' 1524 1524 5.14 10.60 0.29 0.45
7 A' 1481 1481 10.24 11.30 0.50 0.66
8 A' 1407 1407 0.21 8.00 0.47 0.64
9 A' 1184 1184 2.90 8.57 0.40 0.57
10 A' 1084 1084 1.48 3.23 0.08 0.15
11 A' 1061 1061 38.23 2.91 0.30 0.46
12 A' 975 975 3.26 8.19 0.20 0.33
13 A' 942 942 14.79 5.13 0.41 0.58
14 A' 672 672 0.61 14.52 0.57 0.73
15 A' 325 325 1.74 1.97 0.75 0.86
16 A" 3079 3079 46.76 122.13 0.75 0.86
17 A" 3064 3064 17.76 89.08 0.75 0.86
18 A" 1477 1477 8.13 5.64 0.75 0.86
19 A" 1122 1122 1.36 0.60 0.75 0.86
20 A" 1053 1053 0.34 1.74 0.75 0.86
21 A" 988 988 2.20 0.89 0.75 0.86
22 A" 735 735 33.79 1.59 0.75 0.86
23 A" 301 301 12.98 0.24 0.75 0.86
24 A" 163 163 0.36 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18444.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18444.4 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 B3LYP/daug-cc-pVTZ
ABC
0.69241 0.21308 0.17377

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-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 -0.395 0.000
C4 -0.852 1.379 0.000
H5 -0.296 -1.863 0.912
H6 -0.296 -1.863 -0.912
H7 2.227 -0.332 0.000
H8 -0.258 2.293 0.000
H9 -1.504 1.386 -0.877
H10 -1.504 1.386 0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.50711.28831.47352.25432.25432.28422.13112.11922.1192
C21.50711.50792.83091.08931.08932.46713.62953.21163.2116
C31.28831.50792.67862.25572.25571.07463.03643.31743.3174
C41.47352.83092.67863.41373.41373.52261.09001.09261.0926
H52.25431.08932.25573.41371.82313.08884.25483.90033.4661
H62.25431.08932.25573.41371.82313.08884.25483.46613.9003
H72.28422.46711.07463.52263.08883.08883.61424.19954.1995
H82.13113.62953.03641.09004.25484.25483.61421.77321.7732
H92.11923.21163.31741.09263.90033.46614.19951.77321.7544
H102.11923.21163.31741.09263.46613.90034.19951.77321.7544

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 50.591 H1 C2 C6 119.640
C2 C3 C6 24.802 C2 C3 C10 72.766
C2 C6 C3 35.497 C2 C6 H4 49.546
C2 C6 H5 33.196 C3 C2 C6 119.700
C3 C6 H4 51.598 C3 C6 H5 66.164
C3 C10 H7 9.432 C3 C10 H8 65.228
C3 C10 H9 74.667 H4 C6 H5 74.512
C6 C3 C10 86.627 H7 C10 H8 58.788
H7 C10 H9 77.943 H8 C10 H9 60.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.887      
2 C -1.422      
3 C -1.545      
4 C -0.004      
5 H 0.007      
6 H 0.007      
7 H 0.343      
8 H 0.210      
9 H 0.259      
10 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.178 0.900 0.000 0.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.905 -0.645 0.000
y -0.645 -25.575 0.000
z 0.000 0.000 -25.908
Traceless
 xyz
x 1.837 -0.645 0.000
y -0.645 -0.668 0.000
z 0.000 0.000 -1.168
Polar
3z2-r2-2.337
x2-y21.670
xy-0.645
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.804 -0.598 0.000
y -0.598 8.199 0.000
z 0.000 0.000 5.726


<r2> (average value of r2) Å2
<r2> 80.269
(<r2>)1/2 8.959