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All results from a given calculation for CH3COOCH3 (methyl acetate)

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-267.585864
Energy at 298.15K-267.592856
Nuclear repulsion energy 
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 CID/6-311G*
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' 3286 3053 21.65      
2 A' 3283 3050 7.32      
3 A' 3175 2950 29.81      
4 A' 3169 2944 2.76      
5 A' 1947 1809 293.56      
6 A' 1587 1474 7.86      
7 A' 1568 1457 28.13      
8 A' 1552 1442 13.56      
9 A' 1492 1386 99.89      
10 A' 1376 1278 366.71      
11 A' 1288 1196 2.18      
12 A' 1168 1085 64.15      
13 A' 1049 975 3.22      
14 A' 926 860 19.81      
15 A' 683 634 10.11      
16 A' 445 414 6.98      
17 A' 303 281 12.70      
18 A" 3257 3026 27.01      
19 A" 3242 3012 7.74      
20 A" 1574 1462 8.47      
21 A" 1554 1444 9.44      
22 A" 1252 1163 2.04      
23 A" 1131 1051 8.58      
24 A" 643 598 9.25      
25 A" 190 176 5.16      
26 A" 165 154 2.97      
27 A" 73 68 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 20687.6 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 19220.8 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 CID/6-311G*
ABC
0.34823 0.14099 0.10423

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.127 1.479 0.000
C2 0.000 0.486 0.000
O3 -1.161 0.755 0.000
O4 0.464 -0.765 0.000
C5 -0.522 -1.785 0.000
H6 0.724 2.484 0.000
H7 1.750 1.327 0.876
H8 1.750 1.327 -0.876
H9 0.022 -2.720 0.000
H10 -1.148 -1.711 0.883
H11 -1.148 -1.711 -0.883

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 H6 H7 H8 H9 H10 H11
C11.50162.39992.33953.65691.08241.08631.08634.34214.01644.0164
C21.50161.19191.33442.33062.12452.13032.13033.20662.63182.6318
O32.39991.19192.22512.61882.55803.09413.09413.67072.61912.6191
O42.33951.33442.22511.41933.25882.60712.60712.00492.06762.0676
C53.65692.33062.61881.41934.44693.95183.95181.08191.08471.0847
H61.08242.12452.55803.25884.44691.77761.77765.25104.67764.6776
H71.08632.13033.09412.60713.95181.77761.75274.48724.19894.5525
H81.08632.13033.09412.60713.95181.77761.75274.48724.55254.1989
H94.34213.20663.67072.00491.08195.25104.48724.48721.77941.7794
H104.01642.63182.61912.06761.08474.67764.19894.55251.77941.7656
H114.01642.63182.61912.06761.08474.67764.55254.19891.77941.7656

picture of methyl acetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 125.606 C1 C2 O4 111.024
C2 C1 H6 109.535 C2 C1 H7 109.767
C2 C1 H8 109.767 C2 O4 C5 115.604
O3 C2 O4 123.370 O4 C5 H9 105.771
O4 C5 H10 110.617 O4 C5 H11 110.617
H6 C1 H7 110.098 H6 C1 H8 110.098
H7 C1 H8 107.550 H9 C5 H10 110.428
H9 C5 H11 110.428 H10 C5 H11 108.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability