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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-282.578689
Energy at 298.15K-282.585931
HF Energy-282.578689
Nuclear repulsion energy209.493056
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 PBEPBE/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' 3425 3129 0.27      
2 A' 3257 2976 0.27      
3 A' 3158 2885 16.79      
4 A' 3119 2850 14.62      
5 A' 2289 2092 21.76      
6 A' 1648 1506 2.78      
7 A' 1627 1487 5.37      
8 A' 1590 1453 3.12      
9 A' 1523 1392 3.53      
10 A' 1459 1333 11.53      
11 A' 1378 1259 55.23      
12 A' 1203 1099 15.11      
13 A' 1130 1032 28.08      
14 A' 1061 970 5.39      
15 A' 963 879 1.46      
16 A' 924 844 0.90      
17 A' 533 487 0.08      
18 A' 420 384 0.57      
19 A' 292 267 0.96      
20 A' 126 115 1.62      
21 A" 3428 3132 0.58      
22 A" 3252 2971 15.42      
23 A" 3197 2921 6.90      
24 A" 1628 1487 4.00      
25 A" 1328 1214 0.02      
26 A" 1228 1122 1.21      
27 A" 1185 1083 7.06      
28 A" 1022 933 0.06      
29 A" 858 784 2.40      
30 A" 356 325 0.34      
31 A" 199 182 0.08      
32 A" 125 114 3.59      
33 A" 81 74 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 24505.8 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 22388.5 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 PBEPBE/STO-3G
ABC
0.51175 0.04684 0.04402

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.502 2.360 0.000
C2 -1.438 0.808 0.000
O3 0.000 0.429 0.000
C4 0.018 -1.055 0.000
C5 1.456 -1.506 0.000
N6 2.609 -1.874 0.000
H7 -2.557 2.691 0.000
H8 -1.002 2.767 0.898
H9 -1.002 2.767 -0.898
H10 -1.961 0.398 -0.904
H11 -1.961 0.398 0.904
H12 -0.494 -1.488 -0.906
H13 -0.494 -1.488 0.906

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.55382.44613.73864.86815.90151.10611.10571.10572.20892.20894.08004.0800
C21.55381.48712.36483.70564.85512.19042.19912.19911.12191.12192.64262.6426
O32.44611.48711.48492.42223.48043.41372.69732.69732.15982.15982.17742.1774
C43.73862.36481.48491.50702.71724.54604.05694.05692.61672.61671.12701.1270
C54.86813.70562.42221.50701.21025.80705.01095.01094.01524.01522.15042.1504
N65.90154.85513.48042.71721.21026.89415.94845.94845.18345.18343.25563.2556
H71.10612.19043.41374.54605.80706.89411.79801.79802.53552.53554.74764.7476
H81.10572.19912.69734.05695.01095.94841.79801.79693.12762.55614.64964.2852
H91.10572.19912.69734.05695.01095.94841.79801.79692.55613.12764.28524.6496
H102.20891.12192.15982.61674.01525.18342.53553.12762.55611.80752.38962.9975
H112.20891.12192.15982.61674.01525.18342.53552.55613.12761.80752.99752.3896
H124.08002.64262.17741.12702.15043.25564.74764.64964.28522.38962.99751.8120
H134.08002.64262.17741.12702.15043.25564.74764.28524.64962.99752.38961.8120

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.088 C1 C2 H10 110.245
C1 C2 H11 110.245 C2 C1 H7 109.722
C2 C1 H8 110.426 C2 C1 H9 110.426
C2 O3 C4 105.443 O3 C2 H10 110.984
O3 C2 H11 110.984 O3 C4 C5 108.106
O3 C4 H12 112.228 O3 C4 H13 112.228
C4 C5 N6 179.716 C5 C4 H12 108.586
C5 C4 H13 108.586 H7 C1 H8 108.763
H7 C1 H9 108.763 H8 C1 H9 108.699
H10 C2 H11 107.323 H12 C4 H13 107.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability