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: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-231.817408
Energy at 298.15K-231.826004
HF Energy-231.031276
Nuclear repulsion energy180.332991
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 MP2/TZVP
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 3327 3154 4.40      
2 A 3222 3054 0.61      
3 A 3206 3039 18.90      
4 A 3195 3029 16.16      
5 A 3161 2996 9.46      
6 A 3145 2981 42.14      
7 A 3085 2924 17.17      
8 A 3064 2904 47.93      
9 A 1723 1633 83.93      
10 A 1534 1454 6.68      
11 A 1529 1450 7.65      
12 A 1517 1438 5.78      
13 A 1510 1431 7.72      
14 A 1496 1418 8.45      
15 A 1450 1375 5.16      
16 A 1426 1352 25.69      
17 A 1314 1246 148.61      
18 A 1231 1167 1.64      
19 A 1206 1143 4.70      
20 A 1131 1072 102.95      
21 A 1079 1023 2.45      
22 A 1031 977 3.76      
23 A 944 895 6.49      
24 A 824 781 11.95      
25 A 762 722 9.78      
26 A 718 680 51.26      
27 A 537 509 4.45      
28 A 472 448 4.84      
29 A 419 397 0.85      
30 A 325 308 1.18      
31 A 252 239 1.84      
32 A 207 196 0.87      
33 A 97 92 8.28      

Unscaled Zero Point Vibrational Energy (zpe) 25068.5 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 23762.4 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 MP2/TZVP
ABC
0.26842 0.14438 0.10193

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.811 0.058 0.290
H2 1.731 -0.376 1.289
H3 2.751 -0.258 -0.159
H4 1.810 1.142 0.370
O5 0.750 -0.431 -0.537
C6 -0.935 1.310 -0.009
H7 -1.225 1.565 1.010
H8 -0.158 2.003 -0.323
H9 -1.797 1.475 -0.655
C10 -0.498 -0.109 -0.105
C11 -1.340 -1.108 0.186
H12 -2.323 -0.899 0.492
H13 -1.022 -2.107 0.104

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 C6 H7 H8 H9 C10 C11 H12 H13
C11.09241.08861.08661.43113.03223.46462.83403.98982.34843.36124.24843.5700
H21.09241.77531.77602.07353.41023.54653.43814.43292.64243.34374.16463.4608
H31.08861.77531.76742.04404.00824.52723.68754.89253.25314.19265.15604.2097
H41.08661.77601.76742.10222.77603.13042.25683.76502.66773.87544.61144.3178
O51.43112.07352.04402.10222.47943.20552.60623.18341.35942.31273.27462.5214
C63.03223.41024.00822.77602.47941.08931.08751.09051.48712.45952.65653.4195
H73.46463.54654.52723.13043.20551.08931.76241.76302.13812.79952.74693.7872
H82.83403.43813.68752.25682.60621.08751.76241.75432.14953.36673.71124.2209
H93.98984.43294.89253.76503.18341.09051.76301.75432.12072.75492.68843.7423
C102.34842.64243.25312.66771.35941.48712.13812.14952.12071.33902.07672.0762
C113.36123.34374.19263.87542.31272.45952.79953.36672.75491.33901.05111.0511
H124.24844.16465.15604.61143.27462.65652.74693.71122.68842.07671.05111.8177
H133.57003.46084.20974.31782.52143.41953.78724.22093.74232.07621.05111.8177

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 114.584 H2 C1 H3 108.971
H2 C1 H4 109.187 H2 C1 O5 109.774
H3 C1 H4 108.683 H3 C1 O5 107.646
H4 C1 O5 112.508 O5 C10 C6 121.088
O5 C10 C11 117.977 C6 C10 C11 120.893
H7 C6 H8 108.122 H7 C6 H9 107.960
H7 C6 C10 111.229 H8 C6 H9 107.313
H8 C6 C10 112.281 H9 C6 C10 109.763
C10 C11 H12 120.184 C10 C11 H13 120.131
H12 C11 H13 119.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability