return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2C(CH3)OCH3 (1-Propene, 2-methoxy-)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-232.318992
Energy at 298.15K-232.327683
Nuclear repulsion energy180.598690
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 B1B95/6-31G**
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 3301 3152 7.39      
2 A 3203 3058 0.22      
3 A 3178 3034 11.45      
4 A 3165 3022 26.88      
5 A 3121 2980 15.46      
6 A 3098 2958 47.38      
7 A 3058 2920 21.17      
8 A 3029 2892 54.47      
9 A 1757 1677 115.13      
10 A 1528 1459 2.07      
11 A 1514 1445 13.97      
12 A 1500 1432 16.15      
13 A 1492 1424 3.22      
14 A 1489 1422 5.34      
15 A 1434 1369 10.59      
16 A 1414 1350 45.80      
17 A 1328 1268 177.28      
18 A 1215 1160 0.45      
19 A 1178 1124 11.21      
20 A 1157 1105 86.01      
21 A 1067 1019 2.37      
22 A 1025 979 4.02      
23 A 938 896 5.11      
24 A 848 809 57.66      
25 A 827 790 8.60      
26 A 743 709 1.81      
27 A 540 516 5.34      
28 A 483 461 3.46      
29 A 425 406 0.82      
30 A 355 339 0.58      
31 A 286 273 0.56      
32 A 221 211 2.05      
33 A 87 83 6.36      

Unscaled Zero Point Vibrational Energy (zpe) 25000.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 23870.3 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 B1B95/6-31G**
ABC
0.27815 0.14358 0.10035

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.818 -0.090 0.157
H2 1.833 0.050 1.244
H3 2.636 -0.755 -0.121
H4 1.977 0.880 -0.327
O5 0.634 -0.721 -0.277
C6 -0.555 1.413 -0.037
H7 0.034 1.828 0.786
H8 -0.134 1.805 -0.969
H9 -1.574 1.784 0.061
C10 -0.554 -0.084 -0.036
C11 -1.649 -0.830 0.117
H12 -2.620 -0.367 0.227
H13 -1.585 -1.911 0.108

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 C6 H7 H8 H9 C10 C11 H12 H13
C11.09671.08981.09551.41042.81592.69362.94393.87702.38023.54534.44713.8603
H21.09671.77691.78302.08463.03332.56973.44144.00182.71183.76354.58604.1010
H31.08981.77691.77492.00833.85853.77633.86524.91973.26054.29145.28094.3821
H41.09551.78301.77492.09042.60372.43142.39203.68512.72424.03334.79504.5461
O51.41042.08462.00832.09042.45422.82542.72863.35601.36872.31853.31092.5470
C62.81593.03333.85852.60372.45421.09431.09481.08921.49742.50042.73893.4827
H72.69362.56973.77632.43142.82541.09431.76321.76522.16293.21613.48904.1301
H82.94393.44143.86522.39202.72861.09481.76321.77112.14833.22763.51104.1315
H93.87704.00184.91973.68513.35601.08921.76521.77112.13102.61582.39743.6948
C102.38022.71183.26052.72421.36871.49742.16292.14832.13101.33342.10142.1022
C113.54533.76354.29144.03332.31852.50043.21613.22762.61581.33341.08131.0823
H124.44714.58605.28094.79503.31092.73893.48903.51102.39742.10141.08131.8617
H133.86034.10104.38214.54612.54703.48274.13014.13153.69482.10221.08231.8617

picture of 1-Propene, 2-methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O5 C10 117.834 H2 C1 H3 108.721
H2 C1 H4 108.847 H2 C1 O5 111.892
H3 C1 H4 108.619 H3 C1 O5 106.174
H4 C1 O5 112.454 O5 C10 C6 117.731
O5 C10 C11 118.195 C6 C10 C11 123.982
H7 C6 H8 107.312 H7 C6 H9 107.880
H7 C6 C10 112.199 H8 C6 H9 108.376
H8 C6 C10 110.990 H9 C6 C10 109.941
C10 C11 H12 120.619 C10 C11 H13 120.624
H12 C11 H13 118.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.118      
2 H 0.120      
3 H 0.139      
4 H 0.116      
5 O -0.490      
6 C -0.428      
7 H 0.136      
8 H 0.143      
9 H 0.139      
10 C 0.363      
11 C -0.340      
12 H 0.104      
13 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.927 1.586 0.486 1.900
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.881 -0.149 0.362
y -0.149 -31.081 -0.462
z 0.362 -0.462 -32.724
Traceless
 xyz
x 4.022 -0.149 0.362
y -0.149 -0.779 -0.462
z 0.362 -0.462 -3.243
Polar
3z2-r2-6.486
x2-y23.200
xy-0.149
xz0.362
yz-0.462


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.045 0.955 -0.243
y 0.955 7.165 -0.127
z -0.243 -0.127 4.640


<r2> (average value of r2) Å2
<r2> 127.647
(<r2>)1/2 11.298