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 CH3COOCH3 (methyl acetate)

using model chemistry: SVWN/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at SVWN/TZVP
 hartrees
Energy at 0K-267.100738
Energy at 298.15K 
HF Energy-267.100738
Nuclear repulsion energy182.775198
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 SVWN/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' 3118 3082 0.75      
2 A' 3104 3068 6.13      
3 A' 2996 2962 0.16      
4 A' 2979 2945 20.97      
5 A' 1799 1779 238.46      
6 A' 1429 1412 7.73      
7 A' 1410 1393 67.04      
8 A' 1396 1380 19.21      
9 A' 1336 1320 118.78      
10 A' 1258 1244 207.18      
11 A' 1160 1147 2.48      
12 A' 1080 1068 43.26      
13 A' 965 954 1.89      
14 A' 862 852 18.81      
15 A' 650 642 4.49      
16 A' 421 417 5.39      
17 A' 284 281 13.97      
18 A" 3069 3034 0.28      
19 A" 3053 3018 11.02      
20 A" 1405 1389 16.82      
21 A" 1399 1383 11.18      
22 A" 1130 1117 0.08      
23 A" 1018 1006 8.59      
24 A" 592 585 3.25      
25 A" 187 185 7.18      
26 A" 105 104 0.29      
27 A" 57i 57i 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 19073.5 cm-1
Scaled (by 0.9885) Zero Point Vibrational Energy (zpe) 18854.2 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 SVWN/TZVP
ABC
0.34462 0.14221 0.10463

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.088 1.498 0.000
C2 0.000 0.488 0.000
O3 -1.185 0.718 0.000
O4 0.495 -0.760 0.000
C5 -0.488 -1.780 0.000
H6 0.655 2.503 0.000
H7 1.729 1.365 0.884
H8 1.729 1.365 -0.884
H9 0.059 -2.729 0.000
H10 -1.130 -1.703 0.890
H11 -1.130 -1.703 -0.890

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 H6 H7 H8 H9 H10 H11
C11.48412.40272.33393.63681.09481.09961.09964.35073.99493.9949
C21.48411.20661.34292.32022.11862.13032.13033.21832.62172.6217
O32.40271.20662.23752.59332.56343.11253.11253.66482.58042.5804
O42.33391.34292.23751.41693.26692.61072.61072.01752.07982.0798
C53.63682.32022.59331.41694.43303.94773.94771.09551.10041.1004
H61.09482.11862.56343.26694.43301.79721.79725.26654.65554.6555
H71.09962.13033.11252.61073.94771.79721.76714.50934.19384.5535
H81.09962.13033.11252.61073.94771.79721.76714.50934.55354.1938
H94.35073.21833.66482.01751.09555.26654.50934.50931.80511.8051
H103.99492.62172.58042.07981.10044.65554.19384.55351.80511.7805
H113.99492.62172.58042.07981.10044.65554.55354.19381.80511.7805

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 126.179 C1 C2 O4 111.195
C2 C1 H6 109.549 C2 C1 H7 110.191
C2 C1 H8 110.191 C2 O4 C5 114.399
O3 C2 O4 122.625 O4 C5 H9 106.131
O4 C5 H10 110.790 O4 C5 H11 110.790
H6 C1 H7 109.970 H6 C1 H8 109.970
H7 C1 H8 106.939 H9 C5 H10 110.576
H9 C5 H11 110.576 H10 C5 H11 107.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.518      
2 C 0.209      
3 O -0.286      
4 O -0.167      
5 C -0.346      
6 H 0.196      
7 H 0.189      
8 H 0.189      
9 H 0.173      
10 H 0.180      
11 H 0.180      


Electric dipole moments An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.