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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: LSDA/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-285.040175
Energy at 298.15K-285.047912
HF Energy-285.040175
Nuclear repulsion energy217.754256
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 LSDA/6-31G(2df,p)
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' 3093 3044 6.19      
2 A' 2997 2949 6.30      
3 A' 2874 2828 50.35      
4 A' 2865 2819 20.21      
5 A' 2333 2295 1.08      
6 A' 1460 1436 9.15      
7 A' 1427 1404 0.56      
8 A' 1414 1391 10.20      
9 A' 1383 1360 9.60      
10 A' 1332 1311 23.49      
11 A' 1310 1289 35.57      
12 A' 1202 1182 196.78      
13 A' 1128 1110 19.37      
14 A' 1071 1054 20.40      
15 A' 957 942 0.60      
16 A' 892 878 2.84      
17 A' 552 544 1.27      
18 A' 421 414 0.89      
19 A' 298 293 2.18      
20 A' 130 128 3.42      
21 A" 3088 3039 7.59      
22 A" 2904 2858 23.55      
23 A" 2881 2834 42.08      
24 A" 1406 1384 7.87      
25 A" 1242 1222 3.03      
26 A" 1197 1178 6.43      
27 A" 1143 1124 6.30      
28 A" 982 966 0.06      
29 A" 790 777 2.00      
30 A" 382 376 1.30      
31 A" 242 238 0.12      
32 A" 125 123 5.00      
33 A" 84 83 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 22802.1 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 22437.3 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 LSDA/6-31G(2df,p)
ABC
0.54368 0.05062 0.04756

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.083 2.459 0.000
C2 -1.265 0.973 0.000
O3 0.000 0.373 0.000
C4 -0.112 -1.007 0.000
C5 1.201 -1.614 0.000
N6 2.241 -2.129 0.000
H7 -2.058 2.969 0.000
H8 -0.521 2.778 0.892
H9 -0.521 2.778 -0.892
H10 -1.843 0.639 -0.893
H11 -1.843 0.639 0.893
H12 -0.675 -1.376 -0.891
H13 -0.675 -1.376 0.891

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.49702.35023.59964.66965.66581.10081.10121.10122.16572.16573.95853.9585
C21.49701.40002.29153.57414.68152.14732.14602.14601.11511.11512.58112.5811
O32.35021.40001.38472.32183.35923.31262.61722.61722.06462.06462.07592.0759
C43.59962.29151.38471.44652.60684.42653.91003.91002.54952.54951.11671.1167
C54.66963.57412.32181.44651.16065.62354.80094.80093.89023.89022.09042.0904
N65.66584.68153.35922.60681.16066.66895.70145.70145.01325.01323.14053.1405
H71.10082.14733.31264.42655.62356.66891.78771.78772.50472.50474.64594.6459
H81.10122.14602.61723.91004.80095.70141.78771.78413.08382.51464.52314.1568
H91.10122.14602.61723.91004.80095.70141.78771.78412.51463.08384.15684.5231
H102.16571.11512.06462.54953.89025.01322.50473.08382.51461.78612.32852.9334
H112.16571.11512.06462.54953.89025.01322.50472.51463.08381.78612.93342.3285
H123.95852.58112.07591.11672.09043.14054.64594.52314.15682.32852.93341.7820
H133.95852.58112.07591.11672.09043.14054.64594.15684.52312.93342.32851.7820

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.396 C1 C2 H10 111.170
C1 C2 H11 111.170 C2 C1 H7 110.576
C2 C1 H8 110.443 C2 C1 H9 110.443
C2 O3 C4 110.747 O3 C2 H10 109.835
O3 C2 H11 109.835 O3 C4 C5 110.168
O3 C4 H12 111.729 O3 C4 H13 111.729
C4 C5 N6 178.432 C5 C4 H12 108.597
C5 C4 H13 108.597 H7 C1 H8 108.553
H7 C1 H9 108.553 H8 C1 H9 108.203
H10 C2 H11 106.427 H12 C4 H13 105.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability