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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-286.465469
Energy at 298.15K-286.473272
HF Energy-286.465469
Nuclear repulsion energy217.284126
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 B1B95/6-31G(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' 3170 3035 15.73      
2 A' 3080 2950 11.51      
3 A' 2997 2871 57.50      
4 A' 2991 2865 14.24      
5 A' 2409 2307 0.72      
6 A' 1531 1467 5.05      
7 A' 1500 1436 0.36      
8 A' 1494 1431 7.57      
9 A' 1449 1388 8.75      
10 A' 1401 1342 19.78      
11 A' 1378 1320 54.72      
12 A' 1201 1151 209.71      
13 A' 1157 1108 19.89      
14 A' 1075 1029 15.92      
15 A' 964 924 4.91      
16 A' 912 874 3.85      
17 A' 565 541 1.39      
18 A' 421 403 1.02      
19 A' 302 289 2.45      
20 A' 133 127 3.43      
21 A" 3172 3038 16.91      
22 A" 3032 2904 11.25      
23 A" 3023 2895 58.77      
24 A" 1481 1418 5.36      
25 A" 1302 1247 3.09      
26 A" 1258 1205 4.20      
27 A" 1188 1138 6.12      
28 A" 1032 988 0.65      
29 A" 820 785 0.87      
30 A" 391 374 2.08      
31 A" 241 231 0.25      
32 A" 116 111 5.67      
33 A" 79 76 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 23632.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 22632.6 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 B1B95/6-31G(2df,p)
ABC
0.53062 0.05036 0.04721

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.963 2.520 0.000
C2 -1.237 1.037 0.000
O3 0.000 0.359 0.000
C4 -0.166 -1.022 0.000
C5 1.143 -1.671 0.000
N6 2.158 -2.213 0.000
H7 -1.901 3.076 0.000
H8 -0.391 2.801 0.884
H9 -0.391 2.801 -0.884
H10 -1.822 0.747 -0.885
H11 -1.822 0.747 0.885
H12 -0.723 -1.368 -0.884
H13 -0.723 -1.368 0.884

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.50802.36533.63054.68975.66921.09051.09021.09022.15992.15993.99413.9941
C21.50801.41002.32063.60444.69962.14442.14732.14731.10001.10002.61312.6131
O32.36531.41001.39152.32953.35783.31552.62642.62642.06202.06202.07042.0704
C43.63052.32061.39151.46072.61184.45003.93093.93092.57932.57931.10031.1003
C54.68973.60442.32951.46071.15135.63854.80964.80963.92613.92612.08622.0862
N65.66924.69963.35782.61181.15136.66695.69405.69405.03815.03813.12973.1297
H71.09052.14443.31554.45005.63856.66691.77141.77142.49292.49294.68144.6814
H81.09022.14732.62643.93094.80965.69401.77141.76853.06602.50394.54084.1823
H91.09022.14732.62643.93094.80965.69401.77141.76852.50393.06604.18234.5408
H102.15991.10002.06202.57933.92615.03812.49293.06602.50391.77012.38312.9681
H112.15991.10002.06202.57933.92615.03812.49292.50393.06601.77012.96812.3831
H123.99412.61312.07041.10032.08623.12974.68144.54084.18232.38312.96811.7684
H133.99412.61312.07041.10032.08623.12974.68144.18234.54082.96812.38311.7684

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.258 C1 C2 H10 110.859
C1 C2 H11 110.859 C2 C1 H7 110.194
C2 C1 H8 110.441 C2 C1 H9 110.441
C2 O3 C4 111.859 O3 C2 H10 109.860
O3 C2 H11 109.860 O3 C4 C5 109.496
O3 C4 H12 111.853 O3 C4 H13 111.853
C4 C5 N6 178.260 C5 C4 H12 108.272
C5 C4 H13 108.272 H7 C1 H8 108.647
H7 C1 H9 108.647 H8 C1 H9 108.415
H10 C2 H11 107.144 H12 C4 H13 106.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability