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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-246.116567
Energy at 298.15K-246.125039
HF Energy-245.609795
Nuclear repulsion energy178.970503
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 MP2/3-21G
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' 3185 3040 0.98      
2 A' 3151 3007 18.10      
3 A' 3068 2929 37.52      
4 A' 3059 2920 40.02      
5 A' 2993 2857 101.36      
6 A' 1692 1615 223.00      
7 A' 1627 1553 6.44      
8 A' 1609 1535 15.48      
9 A' 1527 1458 12.41      
10 A' 1499 1431 16.20      
11 A' 1470 1403 39.85      
12 A' 1421 1356 52.82      
13 A' 1274 1216 47.28      
14 A' 1109 1059 122.71      
15 A' 1106 1056 29.83      
16 A' 864 824 1.24      
17 A' 652 622 5.59      
18 A' 381 363 1.19      
19 A' 323 308 11.92      
20 A" 3126 2984 29.45      
21 A" 3114 2972 41.66      
22 A" 1604 1531 12.42      
23 A" 1580 1508 5.13      
24 A" 1217 1162 3.64      
25 A" 1173 1119 0.11      
26 A" 1060 1012 0.07      
27 A" 341 325 20.85      
28 A" 223 213 3.03      
29 A" 206 197 1.60      
30 A" 136 130 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 22893.7 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 21852.1 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 MP2/3-21G
ABC
0.29050 0.13536 0.09570

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.722 -0.816 0.000
O2 0.229 -1.967 0.000
N3 0.000 0.361 0.000
C4 -1.476 0.300 0.000
C5 0.652 1.680 0.000
H6 1.807 -0.623 0.000
H7 -1.741 -0.760 0.000
H8 -1.884 0.788 0.893
H9 -1.884 0.788 -0.893
H10 1.738 1.539 0.000
H11 0.370 2.254 -0.891
H12 0.370 2.254 0.891

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.25221.38072.46552.49691.10242.46353.18743.18742.56563.21613.2161
O21.25222.33922.83703.67152.07302.31053.58503.58503.81774.31654.3165
N31.38072.33921.47771.47162.05782.07042.12802.12802.10042.12502.1250
C42.46552.83701.47772.53703.41101.09241.09641.09643.44572.83262.8326
C52.49693.67151.47162.53702.57633.41772.83282.83281.09511.09711.0971
H61.10242.07302.05783.41102.57633.55094.05124.05122.16363.33713.3371
H72.46352.31052.07041.09243.41773.55091.79291.79294.17063.78633.7863
H83.18743.58502.12801.09642.83284.05121.79291.78683.80563.22722.6888
H93.18743.58502.12801.09642.83284.05121.79291.78683.80562.68883.2272
H102.56563.81772.10043.44571.09512.16364.17063.80563.80561.78231.7823
H113.21614.31652.12502.83261.09713.33713.78633.22722.68881.78231.7826
H123.21614.31652.12502.83261.09713.33713.78632.68883.22721.78231.7826

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 119.168 C1 N3 C5 122.155
O2 C1 N3 125.294 O2 C1 H6 123.263
N3 C1 H6 111.444 N3 C4 H7 106.368
N3 C4 H8 110.650 N3 C4 H9 110.650
N3 C5 H10 108.954 N3 C5 H11 110.799
N3 C5 H12 110.799 C4 N3 C5 118.678
H7 C4 H8 110.000 H7 C4 H9 110.000
H8 C4 H9 109.146 H10 C5 H11 108.785
H10 C5 H12 108.785 H11 C5 H12 108.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability