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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-281.348997
Energy at 298.15K-281.356335
HF Energy-281.348997
Nuclear repulsion energy211.931732
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/STO-3G
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' 3476 3112 0.57      
2 A' 3305 2960 0.29      
3 A' 3201 2866 14.13      
4 A' 3156 2827 15.15      
5 A' 2334 2090 19.69      
6 A' 1651 1478 6.05      
7 A' 1630 1460 6.10      
8 A' 1593 1427 5.76      
9 A' 1523 1364 10.45      
10 A' 1465 1312 7.91      
11 A' 1386 1241 39.94      
12 A' 1229 1101 30.98      
13 A' 1174 1051 19.73      
14 A' 1099 984 5.01      
15 A' 981 878 0.83      
16 A' 951 852 0.85      
17 A' 547 490 0.15      
18 A' 430 385 0.73      
19 A' 296 265 1.23      
20 A' 127 114 1.64      
21 A" 3478 3115 0.16      
22 A" 3292 2948 10.49      
23 A" 3228 2890 2.89      
24 A" 1625 1455 6.75      
25 A" 1332 1193 0.00      
26 A" 1232 1104 1.51      
27 A" 1202 1076 8.06      
28 A" 1033 925 0.14      
29 A" 865 775 4.70      
30 A" 367 328 0.28      
31 A" 201 180 0.05      
32 A" 134 120 3.93      
33 A" 84 75 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 24812.4 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 22219.5 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 LSDA/STO-3G
ABC
0.53104 0.04788 0.04507

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.515 2.313 0.000
C2 -1.421 0.782 0.000
O3 0.000 0.433 0.000
C4 0.031 -1.028 0.000
C5 1.451 -1.473 0.000
N6 2.596 -1.842 0.000
H7 -2.571 2.623 0.000
H8 -1.024 2.726 0.894
H9 -1.024 2.726 -0.894
H10 -1.934 0.361 -0.899
H11 -1.934 0.361 0.899
H12 -0.481 -1.462 -0.901
H13 -0.481 -1.462 0.901

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.53452.41473.68104.80955.84551.10041.10021.10022.18992.18994.01624.0162
C21.53451.46352.31993.65144.79872.17042.17652.17651.11721.11722.59382.5938
O32.41471.46351.46062.39533.45223.37702.66562.66562.13422.13422.15182.1518
C43.68102.31991.46061.48812.69194.48243.99993.99992.56862.56861.12301.1230
C54.80953.65142.39531.48811.20385.74004.95524.95523.95363.95362.13102.1310
N65.84554.79873.45222.69191.20386.82905.89685.89685.11775.11773.22883.2288
H71.10042.17043.37704.48245.74006.82901.78971.78972.51562.51564.67554.6755
H81.10022.17652.66563.99994.95525.89681.78971.78803.10422.53414.58804.2224
H91.10022.17652.66563.99994.95525.89681.78971.78802.53413.10424.22244.5880
H102.18991.11722.13422.56863.95365.11772.51563.10422.53411.79752.33122.9449
H112.18991.11722.13422.56863.95365.11772.51562.53413.10421.79752.94492.3312
H124.01622.59382.15181.12302.13103.22884.67554.58804.22242.33122.94491.8012
H134.01622.59382.15181.12302.13103.22884.67554.22244.58802.94492.33121.8012

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.279 C1 C2 H10 110.361
C1 C2 H11 110.361 C2 C1 H7 109.814
C2 C1 H8 110.309 C2 C1 H9 110.309
C2 O3 C4 105.002 O3 C2 H10 110.872
O3 C2 H11 110.872 O3 C4 C5 108.638
O3 C4 H12 112.133 O3 C4 H13 112.133
C4 C5 N6 179.580 C5 C4 H12 108.593
C5 C4 H13 108.593 H7 C1 H8 108.833
H7 C1 H9 108.833 H8 C1 H9 108.706
H10 C2 H11 107.127 H12 C4 H13 106.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability