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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-285.005496
Energy at 298.15K-285.013346
HF Energy-285.005496
Nuclear repulsion energy213.812407
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 B3LYP/3-21G
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' 3139 3029 18.13      
2 A' 3071 2963 10.27      
3 A' 2999 2894 50.76      
4 A' 2991 2886 11.31      
5 A' 2366 2283 0.30      
6 A' 1590 1534 3.74      
7 A' 1570 1515 2.21      
8 A' 1563 1508 9.73      
9 A' 1461 1410 12.51      
10 A' 1460 1409 0.77      
11 A' 1384 1335 55.43      
12 A' 1155 1114 34.01      
13 A' 1078 1040 130.95      
14 A' 1002 967 7.10      
15 A' 955 921 12.86      
16 A' 879 848 6.66      
17 A' 591 571 0.79      
18 A' 411 396 1.39      
19 A' 307 296 1.65      
20 A' 132 127 1.99      
21 A" 3147 3036 20.26      
22 A" 3028 2922 45.07      
23 A" 3013 2907 32.56      
24 A" 1550 1495 7.28      
25 A" 1322 1275 0.02      
26 A" 1275 1231 0.56      
27 A" 1190 1148 8.02      
28 A" 1059 1021 0.58      
29 A" 866 836 1.82      
30 A" 460 443 0.09      
31 A" 233 225 0.61      
32 A" 112 109 7.23      
33 A" 76 74 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 23715.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 22883.3 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 B3LYP/3-21G
ABC
0.48582 0.04955 0.04614

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.966 2.544 0.000
C2 -1.293 1.052 0.000
O3 0.000 0.358 0.000
C4 -0.173 -1.087 0.000
C5 1.156 -1.691 0.000
N6 2.216 -2.168 0.000
H7 -1.886 3.137 0.000
H8 -0.378 2.791 0.888
H9 -0.378 2.791 -0.888
H10 -1.876 0.775 -0.892
H11 -1.876 0.775 0.892
H12 -0.726 -1.431 -0.889
H13 -0.726 -1.431 0.889

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.52762.38993.71634.73675.68571.09441.09331.09332.17942.17944.08044.0804
C21.52761.46772.41413.67704.76252.16812.15642.15641.10041.10042.69762.6976
O32.38991.46771.45532.35253.36023.35862.61692.61692.11882.11882.12572.1257
C43.71632.41411.45531.45992.62234.55813.98303.98302.67642.67641.10171.1017
C54.73673.67702.35251.45991.16245.70644.81924.81924.00894.00892.09722.0972
N65.68574.76253.36022.62231.16246.70595.66605.66605.11905.11903.16013.1601
H71.09442.16813.35864.55815.70646.70591.78391.78392.52442.52444.79664.7966
H81.09332.15642.61693.98304.81925.66601.78391.77563.07762.51104.59364.2362
H91.09332.15642.61693.98304.81925.66601.78391.77562.51103.07764.23624.5936
H102.17941.10042.11882.67644.00895.11902.52443.07762.51101.78322.48863.0598
H112.17941.10042.11882.67644.00895.11902.52442.51103.07761.78323.05982.4886
H124.08042.69762.12571.10172.09723.16014.79664.59364.23622.48863.05981.7773
H134.08042.69762.12571.10172.09723.16014.79664.23624.59363.05982.48861.7773

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.837 C1 C2 H10 111.010
C1 C2 H11 111.010 C2 C1 H7 110.470
C2 C1 H8 109.614 C2 C1 H9 109.614
C2 O3 C4 111.362 O3 C2 H10 110.374
O3 C2 H11 110.374 O3 C4 C5 107.602
O3 C4 H12 111.728 O3 C4 H13 111.728
C4 C5 N6 179.792 C5 C4 H12 109.106
C5 C4 H13 109.106 H7 C1 H8 109.260
H7 C1 H9 109.260 H8 C1 H9 108.593
H10 C2 H11 108.245 H12 C4 H13 107.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability