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: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-232.339728
Energy at 298.15K-232.348250
Nuclear repulsion energy180.030622
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 B3PW91/6-31G*
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 3290 3147 8.40      
2 A 3200 3061 0.68      
3 A 3165 3028 8.85      
4 A 3161 3024 31.82      
5 A 3111 2976 18.63      
6 A 3094 2960 48.60      
7 A 3053 2921 23.87      
8 A 3029 2898 56.08      
9 A 1748 1672 108.98      
10 A 1534 1468 9.26      
11 A 1526 1460 9.53      
12 A 1514 1448 11.67      
13 A 1503 1438 5.03      
14 A 1501 1436 5.97      
15 A 1449 1386 8.13      
16 A 1426 1364 33.96      
17 A 1328 1270 188.22      
18 A 1217 1165 0.69      
19 A 1182 1131 5.14      
20 A 1151 1102 94.68      
21 A 1078 1031 2.70      
22 A 1029 984 3.57      
23 A 943 902 5.38      
24 A 849 812 63.80      
25 A 823 787 8.29      
26 A 746 713 2.26      
27 A 538 515 6.06      
28 A 480 459 3.19      
29 A 423 404 0.67      
30 A 309 296 1.15      
31 A 243 233 0.84      
32 A 193 185 1.66      
33 A 85 81 6.55      

Unscaled Zero Point Vibrational Energy (zpe) 24958.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23877.5 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 B3PW91/6-31G*
ABC
0.27500 0.14261 0.09985

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.826 -0.080 0.169
H2 1.821 0.034 1.262
H3 2.647 -0.744 -0.112
H4 1.997 0.902 -0.292
O5 0.646 -0.701 -0.300
C6 -0.588 1.415 -0.037
H7 -0.003 1.845 0.785
H8 -0.183 1.820 -0.974
H9 -1.618 1.763 0.070
C10 -0.552 -0.087 -0.039
C11 -1.631 -0.858 0.125
H12 -2.615 -0.418 0.246
H13 -1.548 -1.940 0.112

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 C6 H7 H8 H9 C10 C11 H12 H13
C11.09901.09241.09791.41372.84692.72582.99223.90752.38783.54464.45473.8533
H21.09901.78171.78882.08833.06612.61483.49414.03002.70963.74294.57344.0702
H31.09241.78171.77862.01003.88963.81163.91484.95043.26684.28655.28394.3676
H41.09791.78881.77862.09622.64802.45942.46233.73392.74644.05474.82754.5615
O51.41372.08832.01002.09622.46302.84242.73763.36641.37172.32243.31852.5533
C62.84693.06613.88962.64802.46301.09721.09771.09251.50172.50592.74723.4920
H72.72582.61483.81162.45942.84241.09721.76791.76822.17103.22423.49804.1430
H82.99223.49413.91482.46232.73761.09771.76791.77482.15523.23663.52264.1443
H93.90754.03004.95043.73393.36641.09251.76821.77482.13762.62182.40493.7037
C102.38782.70963.26682.74641.37171.50172.17102.15522.13761.33652.10832.1088
C113.54463.74294.28654.05472.32242.50593.22423.23662.62181.33651.08401.0849
H124.45474.57345.28394.82753.31852.74723.49803.52262.40492.10831.08401.8631
H133.85334.07024.36764.56152.55333.49204.14304.14433.70372.10881.08491.8631

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 118.015 H2 C1 H3 108.789
H2 C1 H4 109.023 H2 C1 O5 111.815
H3 C1 H4 108.583 H3 C1 O5 105.940
H4 C1 O5 112.546 O5 C10 C6 117.929
O5 C10 C11 118.077 C6 C10 C11 123.886
H7 C6 H8 107.312 H7 C6 H9 107.706
H7 C6 C10 112.368 H8 C6 H9 108.259
H8 C6 C10 111.064 H9 C6 C10 109.971
C10 C11 H12 120.799 C10 C11 H13 120.770
H12 C11 H13 118.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.274     -0.028
2 H 0.165     0.062
3 H 0.189     0.091
4 H 0.163     0.056
5 O -0.480     -0.334
6 C -0.600     -0.532
7 H 0.183     0.145
8 H 0.189     0.157
9 H 0.191     0.152
10 C 0.423     0.490
11 C -0.476     -0.710
12 H 0.157     0.227
13 H 0.168     0.223


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.897 1.557 0.536 1.875
CHELPG        
AIM        
ESP 0.897 1.583 0.537 1.897


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.780 -0.115 0.387
y -0.115 -31.042 -0.482
z 0.387 -0.482 -32.807
Traceless
 xyz
x 4.144 -0.115 0.387
y -0.115 -0.748 -0.482
z 0.387 -0.482 -3.396
Polar
3z2-r2-6.792
x2-y23.262
xy-0.115
xz0.387
yz-0.482


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


<r2> (average value of r2) Å2
<r2> 128.403
(<r2>)1/2 11.332