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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-285.724064
Energy at 298.15K-285.731860
HF Energy-284.828507
Nuclear repulsion energy215.454292
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 QCISD/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' 3159 3008 21.68      
2 A' 3080 2933 13.12      
3 A' 3025 2881 42.09      
4 A' 3014 2870 25.22      
5 A' 2356 2244 1.53      
6 A' 1584 1508 1.88      
7 A' 1558 1484 3.31      
8 A' 1549 1475 4.14      
9 A' 1493 1421 10.88      
10 A' 1455 1386 14.61      
11 A' 1418 1351 70.37      
12 A' 1200 1143 174.93      
13 A' 1183 1127 20.77      
14 A' 1082 1031 17.27      
15 A' 976 929 12.54      
16 A' 925 881 4.18      
17 A' 554 528 1.00      
18 A' 430 410 1.15      
19 A' 301 287 2.32      
20 A' 133 127 3.31      
21 A" 3169 3018 21.75      
22 A" 3059 2913 13.76      
23 A" 3050 2905 63.99      
24 A" 1534 1461 5.38      
25 A" 1328 1265 1.94      
26 A" 1285 1224 3.30      
27 A" 1221 1163 6.86      
28 A" 1063 1012 1.80      
29 A" 846 806 0.38      
30 A" 359 342 2.06      
31 A" 261 249 0.45      
32 A" 112 107 7.13      
33 A" 77 73 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 23920.7 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 22779.7 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 QCISD/6-31G*
ABC
0.51043 0.04981 0.04658

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.932 2.543 0.000
C2 -1.244 1.060 0.000
O3 0.000 0.358 0.000
C4 -0.193 -1.039 0.000
C5 1.133 -1.689 0.000
N6 2.163 -2.238 0.000
H7 -1.860 3.127 0.000
H8 -0.350 2.807 0.889
H9 -0.350 2.807 -0.889
H10 -1.832 0.778 -0.890
H11 -1.832 0.778 0.890
H12 -0.751 -1.373 -0.890
H13 -0.751 -1.373 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51582.37523.65704.70945.69561.09671.09521.09522.17172.17174.02034.0203
C21.51581.42832.34693.63444.74192.15772.15482.15481.10331.10332.63742.6374
O32.37521.42831.41022.34033.37943.33602.62832.62832.07952.07952.08692.0869
C43.65702.34691.41021.47702.64394.48743.94993.94992.60372.60371.10281.1028
C54.70943.63442.34031.47701.16725.67134.81724.81723.95873.95872.10742.1074
N65.69564.74193.37942.64391.16726.70655.70575.70575.08435.08433.16743.1674
H71.09672.15773.33604.48745.67136.70651.78191.78192.51262.51264.72044.7204
H81.09522.15482.62833.94994.81725.70571.78191.77803.07872.51234.56084.1994
H91.09522.15482.62833.94994.81725.70571.78191.77802.51233.07874.19944.5608
H102.17171.10332.07952.60373.95875.08432.51263.07872.51231.78092.40782.9948
H112.17171.10332.07952.60373.95875.08432.51262.51233.07871.78092.99482.4078
H124.02032.63742.08691.10282.10743.16744.72044.56084.19942.40782.99481.7809
H134.02032.63742.08691.10282.10743.16744.72044.19944.56082.99482.40781.7809

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.530 C1 C2 H10 111.053
C1 C2 H11 111.053 C2 C1 H7 110.335
C2 C1 H8 110.199 C2 C1 H9 110.199
C2 O3 C4 111.544 O3 C2 H10 109.789
O3 C2 H11 109.789 O3 C4 C5 108.286
O3 C4 H12 111.710 O3 C4 H13 111.710
C4 C5 N6 178.122 C5 C4 H12 108.682
C5 C4 H13 108.682 H7 C1 H8 108.765
H7 C1 H9 108.765 H8 C1 H9 108.531
H10 C2 H11 107.630 H12 C4 H13 107.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability