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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-302.999621
Energy at 298.15K-303.009785
HF Energy-302.037838
Nuclear repulsion energy247.366300
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(T)/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 3575 3429        
2 A 3179 3050        
3 A 3127 2999        
4 A 3046 2922        
5 A 1810 1736        
6 A 1558 1495        
7 A 1532 1470        
8 A 1506 1445        
9 A 1483 1423        
10 A 1218 1168        
11 A 1192 1144        
12 A 1157 1110        
13 A 936 898        
14 A 586 562        
15 A 460 441        
16 A 227 218        
17 A 197 189        
18 A 105 101        
19 B 3573 3427        
20 B 3179 3050        
21 B 3127 3000        
22 B 3045 2921        
23 B 1589 1524        
24 B 1546 1484        
25 B 1527 1465        
26 B 1486 1425        
27 B 1292 1240        
28 B 1175 1127        
29 B 1161 1114        
30 B 1062 1018        
31 B 759 728        
32 B 742 712        
33 B 511 491        
34 B 324 311        
35 B 126 121        
36 B 116 111        

Unscaled Zero Point Vibrational Energy (zpe) 26616.6 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 25533.3 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(T)/6-31G*
ABC
0.32204 0.07246 0.06079

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.089
O2 0.000 0.000 1.319
N3 0.000 1.163 -0.677
N4 0.000 -1.163 -0.677
C5 -0.266 2.418 0.025
C6 0.266 -2.418 0.025
H7 -0.471 1.069 -1.573
H8 0.471 -1.069 -1.573
H9 -0.083 3.248 -0.667
H10 0.083 -3.248 -0.667
H11 0.423 2.495 0.871
H12 -0.423 -2.495 0.871
H13 -1.294 2.483 0.412
H14 1.294 -2.483 0.412

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.23001.39281.39282.43352.43352.03162.03163.33603.33602.64862.64862.81842.8184
O21.23002.31042.31042.75542.75543.11923.11923.80803.80802.57012.57012.94342.9434
N31.39282.31042.32631.46243.65911.01672.45102.08674.41212.08523.99462.14514.0191
N41.39282.31042.32633.65911.46242.45101.01674.41212.08673.99462.08524.01912.1451
C52.43352.75541.46243.65914.86522.10143.90611.09605.71891.09314.98791.10055.1577
C62.43352.75543.65911.46244.86523.90612.10145.71891.09604.98791.09315.15771.1005
H72.03163.11921.01672.45102.10143.90612.33672.39184.44602.96714.32162.57174.4352
H82.03163.11922.45101.01673.90612.10142.33674.44602.39184.32162.96714.43522.5717
H93.33603.80802.08674.41211.09605.71892.39184.44606.49841.78485.95521.79335.9919
H103.33603.80804.41212.08675.71891.09604.44602.39186.49845.95521.78485.99191.7933
H112.64862.57012.08523.99461.09314.98792.96714.32161.78485.95525.06141.77755.0745
H122.64862.57013.99462.08524.98791.09314.32162.96715.95521.78485.06145.07451.7775
H132.81842.94342.14514.01911.10055.15772.57174.43521.79335.99191.77755.07455.5999
H142.81842.94344.01912.14515.15771.10054.43522.57175.99191.79335.07451.77755.5999

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 116.901 C1 N3 H7 114.042
C1 N4 C6 116.901 C1 N4 H8 114.042
O2 C1 N3 123.374 O2 C1 N4 123.374
N3 C1 N4 113.253 N3 C5 H9 108.450
N3 C5 H11 108.503 N3 C5 H13 112.889
N4 C6 H10 108.450 N4 C6 H12 108.503
N4 C6 H14 112.889 C5 N3 H7 114.723
C6 N4 H8 114.723 H9 C5 H11 109.240
H9 C5 H13 109.457 H10 C6 H12 109.240
H10 C6 H14 109.457 H11 C5 H13 108.247
H12 C6 H14 108.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability