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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: CCSD=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-246.782662
Energy at 298.15K-246.788203
HF Energy-245.874814
Nuclear repulsion energy157.351934
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 CCSD=FULL/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' 3185 3017 18.62      
2 A' 3039 2879 43.15      
3 A' 3030 2871 31.37      
4 A' 2377 2252 1.85      
5 A' 1557 1475 2.55      
6 A' 1533 1453 7.86      
7 A' 1518 1438 1.10      
8 A' 1456 1380 45.58      
9 A' 1266 1200 51.26      
10 A' 1191 1128 122.64      
11 A' 1025 971 35.70      
12 A' 965 914 7.96      
13 A' 546 517 1.01      
14 A' 386 366 1.54      
15 A' 180 171 2.33      
16 A" 3091 2928 43.09      
17 A" 3072 2911 29.85      
18 A" 1513 1434 7.07      
19 A" 1287 1219 3.43      
20 A" 1211 1147 4.71      
21 A" 1053 998 3.29      
22 A" 350 331 1.65      
23 A" 223 212 4.43      
24 A" 72 68 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17562.1 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 16640.1 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 CCSD=FULL/TZVP
ABC
0.99173 0.08249 0.07842

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.128 -0.341 0.000
O2 -0.738 -0.609 0.000
C3 0.000 0.585 0.000
C4 1.434 0.263 0.000
N5 2.567 0.043 0.000
H6 -2.634 -1.303 0.000
H7 -2.422 0.222 0.892
H8 -2.422 0.222 -0.892
H9 -0.215 1.192 -0.888
H10 -0.215 1.192 0.888

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41522.32053.61284.71061.08671.09541.09542.60652.6065
O21.41521.40352.34063.36892.01872.07892.07892.07432.0743
C32.32051.40351.47002.62403.24032.60642.60641.09651.0965
C43.61282.34061.47001.15434.35883.95823.95822.09102.0910
N54.71063.36892.62401.15435.37215.07155.07153.13883.1388
H61.08672.01873.24034.35885.37211.77931.77933.58583.5858
H71.09542.07892.60643.95825.07151.77931.78482.99622.4101
H81.09542.07892.60643.95825.07151.77931.78482.41012.9962
H92.60652.07431.09652.09103.13883.58582.99622.41011.7752
H102.60652.07431.09652.09103.13883.58582.41012.99621.7752

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.820 O2 C1 H6 106.847
O2 C1 H7 111.155 O2 C1 H8 111.155
O2 C3 C4 109.065 O2 C3 H9 111.554
O2 C3 H10 111.554 C3 C4 N5 178.342
C4 C3 H9 108.237 C4 C3 H10 108.237
H6 C1 H7 109.258 H6 C1 H8 109.258
H7 C1 H8 109.114 H9 C3 H10 108.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-246.784978
Energy at 298.15K-246.790709
HF Energy-245.876217
Nuclear repulsion energy160.337363
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 CCSD=FULL/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 3185 3018 19.68      
2 A 3161 2995 5.79      
3 A 3108 2945 34.39      
4 A 3052 2892 31.38      
5 A 3039 2880 35.24      
6 A 2361 2237 2.53      
7 A 1545 1464 7.88      
8 A 1529 1449 1.51      
9 A 1520 1440 8.53      
10 A 1509 1430 0.48      
11 A 1432 1357 21.75      
12 A 1347 1276 5.84      
13 A 1256 1190 52.58      
14 A 1219 1155 10.23      
15 A 1188 1126 94.65      
16 A 1055 1000 7.70      
17 A 971 920 33.29      
18 A 912 864 20.44      
19 A 607 575 1.29      
20 A 403 382 2.79      
21 A 354 336 0.99      
22 A 264 250 11.75      
23 A 185 175 4.37      
24 A 119 113 8.49      

Unscaled Zero Point Vibrational Energy (zpe) 17660.7 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 16733.5 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 CCSD=FULL/TZVP
ABC
0.39689 0.11463 0.09603

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.533 -0.788 0.133
O2 1.094 0.441 -0.424
C3 -0.053 0.938 0.206
C4 -1.234 0.059 0.031
N5 -2.148 -0.635 -0.096
H6 2.473 -1.033 -0.353
H7 0.812 -1.590 -0.050
H8 1.696 -0.691 1.212
H9 -0.274 1.906 -0.241
H10 0.104 1.077 1.282

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41922.34562.89523.69141.08671.09331.09543.26512.6161
O21.41921.40042.40293.43232.01982.08392.07872.01252.0731
C32.34561.40041.48262.63753.25302.68402.59391.08821.0963
C42.89522.40291.48261.15493.88372.62833.24702.09942.0955
N53.69143.43232.63751.15494.64593.11054.06163.16093.1470
H61.08672.01983.25303.88374.64591.77821.78024.02433.5698
H71.09332.08392.68402.62833.11051.77821.78413.66483.0643
H81.09542.07872.59393.24704.06161.78021.78413.56872.3813
H93.26512.01251.08822.09943.16094.02433.66483.56871.7742
H102.61612.07311.09632.09553.14703.56983.06432.38131.7742

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.587 O2 C1 H6 106.669
O2 C1 H7 111.418 O2 C1 H8 110.855
O2 C3 C4 112.884 O2 C3 H9 107.267
O2 C3 H10 111.683 C3 C4 N5 179.336
C4 C3 H9 108.527 C4 C3 H10 107.755
H6 C1 H7 109.309 H6 C1 H8 109.333
H7 C1 H8 109.201 H9 C3 H10 108.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability