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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: LSDA/6-31G*

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*
 hartrees
Energy at 0K-285.021373
Energy at 298.15K-285.029111
HF Energy-285.021373
Nuclear repulsion energy217.239719
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*
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' 3100 3042 8.43      
2 A' 3009 2952 6.84      
3 A' 2890 2836 53.92      
4 A' 2878 2824 22.36      
5 A' 2343 2299 0.78      
6 A' 1493 1465 6.79      
7 A' 1463 1435 1.56      
8 A' 1450 1422 10.71      
9 A' 1407 1381 15.56      
10 A' 1363 1338 23.00      
11 A' 1333 1308 44.19      
12 A' 1205 1183 196.46      
13 A' 1141 1120 19.20      
14 A' 1074 1054 22.70      
15 A' 964 946 1.42      
16 A' 903 886 3.23      
17 A' 554 543 1.14      
18 A' 423 415 1.02      
19 A' 298 292 2.09      
20 A' 130 127 3.28      
21 A" 3097 3039 9.71      
22 A" 2919 2864 30.89      
23 A" 2894 2840 48.39      
24 A" 1442 1415 9.75      
25 A" 1259 1236 2.62      
26 A" 1215 1192 5.73      
27 A" 1157 1136 7.22      
28 A" 998 979 0.06      
29 A" 805 790 2.22      
30 A" 379 372 1.20      
31 A" 252 248 0.19      
32 A" 123 120 5.61      
33 A" 83 82 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 23021.3 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 22590.8 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*
ABC
0.53781 0.05045 0.04737

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.069 2.468 0.000
C2 -1.266 0.983 0.000
O3 0.000 0.373 0.000
C4 -0.121 -1.012 0.000
C5 1.195 -1.623 0.000
N6 2.239 -2.140 0.000
H7 -2.041 2.987 0.000
H8 -0.504 2.782 0.893
H9 -0.504 2.782 -0.893
H10 -1.845 0.654 -0.895
H11 -1.845 0.654 0.895
H12 -0.684 -1.378 -0.892
H13 -0.684 -1.378 0.892

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.49832.35233.60674.67605.67291.10211.10231.10232.16612.16613.96673.9667
C21.49831.40492.29963.58404.69432.14952.14802.14801.11531.11532.58962.5896
O32.35231.40491.38982.32643.36593.31702.61822.61822.06972.06972.08062.0806
C43.60672.29961.38981.45072.61604.43633.91603.91602.55902.55901.11701.1170
C54.67603.58402.32641.45071.16555.63304.80534.80533.90233.90232.09442.0944
N65.67294.69433.36592.61601.16556.67945.70545.70545.02905.02903.15033.1503
H71.10212.14953.31704.43635.63306.67941.78941.78942.50642.50644.65754.6575
H81.10232.14802.61823.91604.80535.70541.78941.78593.08542.51484.53014.1635
H91.10232.14802.61823.91604.80535.70541.78941.78592.51483.08544.16354.5301
H102.16611.11532.06972.55903.90235.02902.50643.08542.51481.78912.34022.9445
H112.16611.11532.06972.55903.90235.02902.50642.51483.08541.78912.94452.3402
H123.96672.58962.08061.11702.09443.15034.65754.53014.16352.34022.94451.7848
H133.96672.58962.08061.11702.09443.15034.65754.16354.53012.94452.34021.7848

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.197 C1 C2 H10 111.106
C1 C2 H11 111.106 C2 C1 H7 110.579
C2 C1 H8 110.452 C2 C1 H9 110.452
C2 O3 C4 110.741 O3 C2 H10 109.887
O3 C2 H11 109.887 O3 C4 C5 109.954
O3 C4 H12 111.735 O3 C4 H13 111.735
C4 C5 N6 178.626 C5 C4 H12 108.608
C5 C4 H13 108.608 H7 C1 H8 108.536
H7 C1 H9 108.536 H8 C1 H9 108.214
H10 C2 H11 106.658 H12 C4 H13 106.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability