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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-283.248740
Energy at 298.15K-283.256870
HF Energy-283.248740
Nuclear repulsion energy215.988373
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 HF/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' 3281 2971 24.56      
2 A' 3217 2913 14.48      
3 A' 3200 2898 25.02      
4 A' 3185 2884 28.74      
5 A' 2606 2360 0.20      
6 A' 1704 1544 3.96      
7 A' 1685 1526 1.96      
8 A' 1672 1514 6.47      
9 A' 1589 1439 2.61      
10 A' 1576 1427 9.18      
11 A' 1515 1372 72.38      
12 A' 1254 1136 96.88      
13 A' 1218 1103 117.83      
14 A' 1069 968 6.48      
15 A' 1021 924 34.96      
16 A' 949 860 1.76      
17 A' 639 579 1.10      
18 A' 435 394 2.09      
19 A' 329 298 2.26      
20 A' 141 127 2.41      
21 A" 3295 2984 26.84      
22 A" 3232 2927 25.10      
23 A" 3217 2913 41.67      
24 A" 1655 1499 5.82      
25 A" 1432 1297 0.60      
26 A" 1404 1271 0.87      
27 A" 1293 1171 11.49      
28 A" 1155 1046 2.76      
29 A" 920 833 0.97      
30 A" 490 444 0.47      
31 A" 253 229 1.08      
32 A" 112 101 11.37      
33 A" 78 71 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 25410.4 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 23011.6 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 HF/3-21G
ABC
0.47567 0.05071 0.04702

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.570 2.632 0.000
C2 -1.137 1.217 0.000
O3 0.000 0.326 0.000
C4 -0.331 -1.064 0.000
C5 0.922 -1.813 0.000
N6 1.899 -2.396 0.000
H7 -1.370 3.363 0.000
H8 0.045 2.776 0.878
H9 0.045 2.776 -0.878
H10 -1.746 1.041 -0.880
H11 -1.746 1.041 0.880
H12 -0.907 -1.334 -0.879
H13 -0.907 -1.334 0.879

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.52402.37593.70354.68905.60141.08331.08171.08172.16562.16564.07654.0765
C21.52401.44502.41913.66364.71922.15852.14422.14421.08511.08512.70862.7086
O32.37591.44501.42832.32903.31843.33222.60352.60352.08242.08242.08562.0856
C43.70352.41911.42831.46012.59774.54713.95693.95692.68452.68451.08461.0846
C54.68903.66362.32901.46011.13775.66094.75434.75434.00494.00492.08412.0841
N65.60144.71923.31842.59771.13776.62195.56405.56405.08655.08653.12553.1255
H71.08332.15853.33224.54715.66096.62191.76521.76522.51202.51204.80154.8015
H81.08172.14422.60353.95694.75435.56401.76521.75603.05142.49384.57044.2192
H91.08172.14422.60353.95694.75435.56401.76521.75602.49383.05144.21924.5704
H102.16561.08512.08242.68454.00495.08652.51203.05142.49381.76082.51943.0728
H112.16561.08512.08242.68454.00495.08652.51202.49383.05141.76083.07282.5194
H124.07652.70862.08561.08462.08413.12554.80154.57044.21922.51943.07281.7575
H134.07652.70862.08561.08462.08413.12554.80154.21924.57043.07282.51941.7575

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.273 C1 C2 H10 111.081
C1 C2 H11 111.081 C2 C1 H7 110.622
C2 C1 H8 109.582 C2 C1 H9 109.582
C2 O3 C4 114.683 O3 C2 H10 109.970
O3 C2 H11 109.970 O3 C4 C5 107.470
O3 C4 H12 111.459 O3 C4 H13 111.459
C4 C5 N6 179.913 C5 C4 H12 109.084
C5 C4 H13 109.084 H7 C1 H8 109.245
H7 C1 H9 109.245 H8 C1 H9 108.529
H10 C2 H11 108.458 H12 C4 H13 108.239
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability