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

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 C2 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-300.960433
Energy at 298.15K-300.970295
HF Energy-300.359568
Nuclear repulsion energy245.242765
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 3610 3446 26.64      
2 A 3191 3046 1.11      
3 A 3126 2984 0.45      
4 A 3072 2933 1.20      
5 A 1729 1650 117.15      
6 A 1624 1550 24.01      
7 A 1612 1539 0.21      
8 A 1537 1467 16.43      
9 A 1495 1427 58.54      
10 A 1212 1157 5.42      
11 A 1193 1139 0.04      
12 A 1167 1114 1.94      
13 A 917 875 6.99      
14 A 505 482 2.52      
15 A 245 234 2.00      
16 A 232 222 10.50      
17 A 169 161 0.27      
18 A 81 77 4.73      
19 B 3603 3439 7.80      
20 B 3191 3046 0.46      
21 B 3127 2984 92.64      
22 B 3071 2931 120.73      
23 B 1630 1556 22.61      
24 B 1613 1539 11.21      
25 B 1557 1487 323.00      
26 B 1507 1438 19.24      
27 B 1249 1192 406.55      
28 B 1199 1145 2.77      
29 B 1188 1134 46.45      
30 B 1028 981 2.55      
31 B 753 719 27.96      
32 B 716 684 11.34      
33 B 469 448 293.39      
34 B 376 359 55.88      
35 B 148 141 3.73      
36 B 106 101 17.28      

Unscaled Zero Point Vibrational Energy (zpe) 26623.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 25412.2 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
0.31749 0.07058 0.05906

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.092
O2 0.000 0.000 1.348
N3 0.000 1.167 -0.668
N4 0.000 -1.167 -0.668
C5 -0.047 2.474 0.012
C6 0.047 -2.474 0.012
H7 -0.140 1.126 -1.670
H8 0.140 -1.126 -1.670
H9 0.787 3.113 -0.297
H10 -0.787 -3.113 -0.297
H11 0.034 2.256 1.079
H12 -0.034 -2.256 1.079
H13 -0.991 2.998 -0.176
H14 0.991 -2.998 -0.176

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.25551.39291.39292.47592.47592.09582.09583.23483.23482.46262.46263.16903.1690
O21.25552.32962.32962.81202.81203.22403.22403.60813.60812.27222.27223.50603.5060
N31.39292.32962.33341.47493.70431.01212.50542.13224.36762.05953.84322.13994.3093
N41.39292.32962.33343.70431.47492.50541.01214.36762.13223.84322.05954.30932.1399
C52.47592.81201.47493.70434.94932.15833.97791.09525.64481.09174.84901.09655.5729
C62.47592.81203.70431.47494.94933.97792.15835.64481.09524.84901.09175.57291.0965
H72.09583.22401.01212.50542.15833.97792.26852.58764.50222.97754.35922.54224.5295
H82.09583.22402.50541.01213.97792.15832.26854.50222.58764.35922.97754.52952.5422
H93.23483.60812.13224.36761.09525.64482.58764.50226.42241.78755.60341.78646.1158
H103.23483.60814.36762.13225.64481.09524.50222.58766.42245.60341.78756.11581.7864
H112.46262.27222.05953.84321.09174.84902.97754.35921.78755.60344.51261.78255.4858
H122.46262.27223.84322.05954.84901.09174.35922.97755.60341.78754.51265.48581.7825
H133.16903.50602.13994.30931.09655.57292.54224.52951.78646.11581.78255.48586.3152
H143.16903.50604.30932.13995.57291.09654.52952.54226.11581.78645.48581.78256.3152

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 119.362 C1 N3 H7 120.428
C1 N4 C6 119.362 C1 N4 H8 120.428
O2 C1 N3 123.112 O2 C1 N4 123.112
N3 C1 N4 113.777 N3 C5 H9 111.264
N3 C5 H11 105.755 N3 C5 H13 111.805
N4 C6 H10 111.264 N4 C6 H12 105.755
N4 C6 H14 111.805 C5 N3 H7 119.242
C6 N4 H8 119.242 H9 C5 H11 109.650
H9 C5 H13 109.191 H10 C6 H12 109.650
H10 C6 H14 109.191 H11 C5 H13 109.098
H12 C6 H14 109.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability