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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-286.217917
Energy at 298.15K-286.225572
HF Energy-286.217917
Nuclear repulsion energy214.719694
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 PBEPBEultrafine/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' 3082 3031 17.20      
2 A' 3002 2952 12.21      
3 A' 2903 2855 67.05      
4 A' 2890 2842 19.44      
5 A' 2294 2256 0.25      
6 A' 1510 1485 3.13      
7 A' 1483 1459 1.64      
8 A' 1471 1447 8.51      
9 A' 1413 1389 12.74      
10 A' 1380 1357 8.10      
11 A' 1343 1321 60.49      
12 A' 1134 1116 123.98      
13 A' 1117 1098 95.01      
14 A' 1028 1011 17.81      
15 A' 939 923 4.29      
16 A' 884 869 5.66      
17 A' 543 534 0.79      
18 A' 413 407 1.00      
19 A' 293 288 1.89      
20 A' 129 127 2.97      
21 A" 3086 3035 19.02      
22 A" 2930 2882 40.99      
23 A" 2910 2862 51.01      
24 A" 1466 1441 6.69      
25 A" 1268 1247 1.63      
26 A" 1220 1199 3.61      
27 A" 1159 1140 6.49      
28 A" 1006 989 0.49      
29 A" 810 797 1.22      
30 A" 369 363 1.19      
31 A" 249 245 0.25      
32 A" 113 111 5.72      
33 A" 78 76 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22954.5 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 22575.8 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 PBEPBEultrafine/6-31G*
ABC
0.52009 0.04924 0.04617

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.039 2.520 0.000
C2 -1.275 1.018 0.000
O3 0.000 0.370 0.000
C4 -0.142 -1.037 0.000
C5 1.189 -1.662 0.000
N6 2.237 -2.187 0.000
H7 -2.002 3.056 0.000
H8 -0.469 2.822 0.894
H9 -0.469 2.822 -0.894
H10 -1.859 0.708 -0.895
H11 -1.859 0.708 0.895
H12 -0.701 -1.397 -0.894
H13 -0.701 -1.397 0.894

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51982.38793.66824.73805.73471.10281.10201.10202.18052.18054.03174.0317
C21.51981.43082.34733.64104.75532.16392.16812.16811.11281.11282.63892.6389
O32.38791.43081.41382.35383.39743.35082.65172.65172.09082.09082.10042.1004
C43.66822.34731.41381.47012.64224.49653.97443.97442.60712.60711.11421.1142
C54.73803.64102.35381.47011.17235.69624.86314.86313.96353.96352.10752.1075
N65.73474.75533.39742.64221.17236.74305.76305.76305.09545.09543.17103.1710
H71.10282.16393.35084.49655.69626.74301.78991.78992.51712.51714.72524.7252
H81.10202.16812.65173.97444.86315.76301.78991.78753.09802.52924.58784.2252
H91.10202.16812.65173.97444.86315.76301.78991.78752.52923.09804.22524.5878
H102.18051.11282.09082.60713.96355.09542.51713.09802.52921.79072.40302.9959
H112.18051.11282.09082.60713.96355.09542.51712.52923.09801.79072.99592.4030
H124.03172.63892.10041.11422.10753.17104.72524.58784.22522.40302.99591.7877
H134.03172.63892.10041.11422.10753.17104.72524.22524.58782.99592.40301.7877

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.015 C1 C2 H10 110.901
C1 C2 H11 110.901 C2 C1 H7 110.179
C2 C1 H8 110.556 C2 C1 H9 110.556
C2 O3 C4 111.215 O3 C2 H10 109.944
O3 C2 H11 109.944 O3 C4 C5 109.395
O3 C4 H12 111.830 O3 C4 H13 111.830
C4 C5 N6 178.510 C5 C4 H12 108.486
C5 C4 H13 108.486 H7 C1 H8 108.550
H7 C1 H9 108.550 H8 C1 H9 108.386
H10 C2 H11 107.143 H12 C4 H13 106.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability